Tea waste heat recovery roasting machine

Abstract

The utility model relates to the technical field of tea frying machines, and discloses a tea waste heat recovery frying machine which comprises a fan and a cyclone dust collector, the fan and the cyclone dust collector are arranged on the outer side of the tea frying machine, an air inlet pipe is fixedly installed on the surface of the cyclone dust collector, a return pipe is arranged at the top end of the cyclone dust collector, and a slag discharge port is formed in the bottom end of the cyclone dust collector. An air outlet of the fan is communicated with the air inlet pipe, the air inlet of the fan is fixedly provided with an exhaust pipe, the exhaust pipe extends into the tea frying machine, the outlet end of the return pipe extends into a feeding port of the tea frying machine, and in the tea frying process of the tea frying machine, the fan sucks hot air in the tea frying machine into the cyclone dust collector. According to the stir-frying machine, the fan and the cyclone dust collector are arranged, hot air mixed with powder impurities in the stir-frying roller of the tea stir-frying machine is pumped out, after dust removal is conducted through the cyclone dust collector, the purified hot air is recharged into the stir-frying roller, heat loss is reduced, the effects of dust removal and waste heat recovery are achieved, and the tea stir-frying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tea frying machines, in particular to a tea waste heat recovery frying and drying machine. Background Art

[0002] There are many kinds of tea frying machines. For drum-type tea frying machines, for example, a tea frying and drying machine that is convenient for loading and unloading is proposed in the prior art, with the announcement number CN217089416U, which includes a frame, a tea frying drum and a drum cover. The tea frying drum can be rotatably mounted on the frame, one end of the tea frying drum is open, and the drum cover is arranged at the position where the open end of the tea frying drum is located and is used to close the open end of the tea frying drum. When the above-mentioned tea frying drum rotates on a fixed axis, the tea frying drum and the above-mentioned drum cover rotate relatively. A feeding hole is opened in the middle of the drum cover, and the feeding hole passes through the drum cover. The above-mentioned drum cover is attached with a feeding plate and a side baffle. The bottom surface of the feeding plate is adjacent to the lower edge of the above-mentioned feeding hole. The inner end of the feeding plate extends from the feeding hole through the drum cover to the inside of the above-mentioned tea frying drum. The outer end of the feeding plate is located between the two side baffles and its two sides can be moved up and down along the side baffles. The cylinder cover scheme of the utility model realizes the loading and unloading of the tea-frying cylinder with a simple and scientific structure, and the switching of the loading and unloading state can be controlled by only moving the outer end of the feeding plate up and down, which is convenient to operate.

[0003] During the tea frying process, a lot of tea leaves and dust are produced. Through the dust removal process of the fan, the hot air in the frying drum is discharged, which causes the temperature in the drum to drop and affects the tea frying efficiency. Based on this, the existing tea frying machines cannot recover waste heat well, resulting in a large amount of heat energy waste, which needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a tea waste heat recovery frying and drying machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tea waste heat recovery frying and drying machine, comprising a fan and a cyclone dust collector, the fan and the cyclone dust collector are arranged on the outside of the tea frying machine, an air inlet pipe is fixedly installed on the surface of the cyclone dust collector, the top of the cyclone dust collector is a return pipe, the bottom of the cyclone dust collector is a slag discharge port, the air outlet of the fan is connected with the air inlet pipe, the air inlet of the fan is fixedly installed with an exhaust pipe, the exhaust pipe extends to the interior of the tea frying machine, and the outlet end of the reflux pipe extends to the feeding port of the tea frying machine. During the tea frying machine frying tea leaves, the fan draws the hot air in the tea frying machine into the cyclone dust collector, the impurities in the hot air are discharged from the slag discharge port of the cyclone dust collector, and the purified hot air is injected into the tea frying machine through the reflux pipe.

[0006] In some embodiments, the tea frying machine includes a first frame, a protective cover is fixedly installed on the upper side of the first frame, a frying drum is rotatably installed in the protective cover, a sprocket is fixedly installed at one end of the frying drum, and the other end of the frying drum is a feeding port, and a forward and reverse motor is fixedly installed inside the first frame, and the forward and reverse motor drives the sprocket to rotate through a transmission chain.

[0007] In some embodiments, a second frame is arranged on the side of the first frame, the fan is fixedly mounted on the upper side of the second frame, the return pipe passes through the protective cover, the sprocket is annular in structure, the exhaust pipe extends from the center hole of the sprocket into the stir-fry drum, and a filter is fixedly mounted on the port of the exhaust pipe located in the stir-fry drum.

[0008] In some embodiments, a plurality of spiral blades are fixedly mounted on the inner wall of the stir-fry drum. The plurality of spiral blades are divided into a plurality of groups, and the spiral blades of each group are arranged in a ring array on the inner wall of the stir-fry drum.

[0009] In some embodiments, a plurality of rollers are rotatably mounted on the inner wall of the protective cover, the plurality of rollers are arranged in a ring array, and the rollers roll along the outer surface of the stir-fry drum.

[0010] In some embodiments, two symmetrically arranged electric heaters are fixedly mounted on the upper side of the first frame, and the two electric heaters are respectively arranged on the front and rear sides of the protective cover, and the heating surfaces of the electric heaters extend into the protective cover and face the surface of the stir-fry drum.

[0011] Beneficial Effects

[0012] The utility model provides a tea waste heat recovery frying and drying machine, which has the following beneficial effects:

[0013] 1. The tea waste heat recovery frying and drying machine is equipped with a fan and a cyclone dust collector to extract the hot air mixed with powder impurities in the frying drum of the tea frying machine. After the cyclone dust collector removes the dust, the purified hot air is returned to the frying drum to reduce heat loss, achieve the effect of dust removal and waste heat recovery, and improve the efficiency of tea frying.

[0014] 2. The tea waste heat recovery frying and drying machine has a cyclone dust collector arranged on one side of the frying drum, an exhaust pipe of the cyclone dust collector extends from one end of the frying drum, a return pipe penetrates the protective cover, and extends into the interior of the frying drum from the side where the feeding port of the frying drum is arranged. The forward or reverse rotation of the frying drum is utilized to fry and unload the tea leaves, thereby achieving the effect of convenient discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the front section structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the side section structure of the utility model.

[0019] In the figure: 1 fan, 2 cyclone dust collector, 3 air inlet pipe, 4 slag discharge port, 5 exhaust pipe, 6 return pipe, 7 first frame, 8 protective cover, 9 stir-fry drum, 10 sprocket, 11 feeding port, 12 forward and reverse motor, 13 transmission chain, 14 second frame, 15 filter screen, 16 spiral blade, 17 roller, 18 electric heater. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a tea waste heat recovery frying and drying machine, comprising a fan 1 and a cyclone dust collector 2, the fan 1 and the cyclone dust collector 2 are arranged on the outside of the tea frying machine, the tea frying machine comprises a first frame 7, a protective cover 8 is fixedly installed on the upper side of the first frame 7, a frying drum 9 is rotatably installed in the protective cover 8, a sprocket 10 is fixedly installed at one end of the frying drum 9, and the other end of the frying drum 9 is a feeding port 11, a forward and reverse motor 12 is fixedly installed inside the first frame 7, and the forward and reverse motor 12 drives the sprocket 10 to rotate through a transmission chain 13.

[0022] Among them, a plurality of spiral blades 16 are fixedly installed on the inner wall of the stir-fry drum 9, and the plurality of spiral blades 16 are divided into multiple groups. The spiral blades 16 of each group are arranged in a ring array on the inner wall of the stir-fry drum 9. A plurality of rollers 17 are rotatably installed on the inner wall of the protective cover 8. The plurality of rollers 17 are arranged in a ring array, and the rollers 17 roll along the outer surface of the stir-fry drum 9.

[0023] Two symmetrically arranged electric heaters 18 are fixedly mounted on the upper side of the first frame 7 . The two electric heaters 18 are respectively arranged on the front and rear sides of the protective cover 8 , and the heating surfaces of the electric heaters 18 extend into the protective cover 8 and face the surface of the stir-fry drum 9 .

[0024] A second frame 14 is arranged on the side of the first frame 7, the fan 1 is fixedly mounted on the upper side of the second frame 14, an air inlet pipe 3 is fixedly mounted on the surface of the cyclone dust collector 2, a return pipe 6 is provided at the top of the cyclone dust collector 2, and the return pipe 6 passes through the protective cover 8 to prevent the return pipe 6 from being exposed to the outside and causing a large amount of heat loss, and a slag discharge port 4 is provided at the bottom end of the cyclone dust collector 2.

[0025] The air outlet of the fan 1 is connected to the air inlet 3, and an exhaust duct 5 is fixedly installed at the air inlet of the fan 1. The exhaust duct 5 extends to the interior of the tea frying machine, wherein the sprocket 10 is a ring-shaped structure, and the exhaust duct 5 extends from the center hole of the sprocket 10 to the stir-frying drum 9, and a filter 15 is fixedly installed at the port of the exhaust duct 5 located in the stir-frying drum 9.

[0026] During the tea frying process, tea leaves are put into the stir-frying drum 9 from the feeding port 11, and the electric heater 18 heats the stir-frying drum 9. During the temperature rising process, the forward and reverse motors 12 drive the stir-frying drum 9 to rotate forward to stir-fry the tea leaves. After the tea frying is completed, the stir-frying drum 9 reverses and the tea leaves are discharged from the feeding port 11. During this process, the fan 1 draws the hot air in the stir-frying drum 9 into the cyclone dust collector 2, and the cyclone dust collector 2 is used for dust removal. Impurities in the hot air are discharged from the slag discharge port 4 of the cyclone dust collector 2. Since the outlet end of the reflux pipe 6 extends to the feeding port 11 of the tea frying machine, the purified hot air is injected into the tea frying machine through the reflux pipe 6.

[0027] The cyclone dust collector 2 is arranged on the outside of the tea frying machine, and the exhaust pipe 5 of the cyclone dust collector 2 extends from one end of the frying drum 9, and its return pipe 6 passes through the protective cover 8 and extends into the interior of the frying drum 9 from the side where the feeding port 11 of the frying drum 9 is set. The forward or reverse rotation of the frying drum 9 is used to stir and unload the tea leaves, thereby achieving the effect of convenient discharge.

[0028] The tea waste heat recovery frying and drying machine is provided with a fan 1 and a cyclone dust collector 2 to extract the hot air mixed with powder impurities in the frying drum 9 of the tea frying machine, and after the cyclone dust collector 2 is used for dust removal, the purified hot air is returned to the frying drum 9, thereby reducing heat loss, achieving the effects of dust removal and waste heat recovery, and improving the tea frying efficiency.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tea waste heat recovery and drying machine, comprising a fan (1) and a cyclone dust collector (2), characterized in that: The fan (1) and the cyclone dust collector (2) are arranged outside the tea frying machine. An air inlet pipe (3) is fixedly installed on the surface of the cyclone dust collector (2). The top of the cyclone dust collector (2) is a return pipe (6). The bottom of the cyclone dust collector (2) is a slag discharge port (4). The air outlet of the fan (1) is connected to the air inlet pipe (3). An exhaust pipe (5) is fixedly installed at the air inlet of the fan (1). The exhaust pipe (5) extends to the inside of the tea frying machine, and the outlet end of the return pipe (6) extends to the feeding port of the tea frying machine. During the process of frying tea leaves in the tea frying machine, the fan (1) draws hot air in the tea frying machine into the cyclone dust collector (2). Impurities in the hot air are discharged from the slag discharge port (4) of the cyclone dust collector (2). The purified hot air is injected into the tea frying machine through the return pipe (6).

2. The tea waste heat recovery and drying machine according to claim 1, characterized in that: The tea-frying machine comprises a first frame (7), a protective cover (8) is fixedly mounted on the upper side of the first frame (7), a stir-frying drum (9) is rotatably mounted inside the protective cover (8), a sprocket (10) is fixedly mounted on one end of the stir-frying drum (9), and the other end of the stir-frying drum (9) is a feeding port (11).

3. The tea waste heat recovery and drying machine according to claim 2, characterized in that: A forward and reverse motor (12) is fixedly mounted inside the first frame (7), and the forward and reverse motor (12) drives the sprocket (10) to rotate via a transmission chain (13).

4. The tea waste heat recovery and drying machine according to claim 3, characterized in that: A second frame (14) is arranged on the side of the first frame (7), the fan (1) is fixedly mounted on the upper side of the second frame (14), and the return pipe (6) passes through the protective cover (8).

5. The tea waste heat recovery and drying machine according to claim 4, characterized in that: The sprocket (10) is of an annular structure, the exhaust pipe (5) extends from the central hole of the sprocket (10) into the stir-fry drum (9), and a filter screen (15) is fixedly installed at the end of the exhaust pipe (5) located in the stir-fry drum (9).

6. The tea waste heat recovery and frying machine according to claim 5, characterized in that: A plurality of spiral blades (16) are fixedly mounted on the inner wall of the stir-fry drum (9); the plurality of spiral blades (16) are divided into a plurality of groups, and the spiral blades (16) of each group are arranged in a ring-shaped array on the inner wall of the stir-fry drum (9).

7. The tea waste heat recovery and frying machine according to claim 6, characterized in that: A plurality of rollers (17) are rotatably mounted on the inner wall of the protective cover (8), the plurality of rollers (17) are arranged in a ring-shaped array, and the rollers (17) roll along the outer surface of the stir-fry drum (9).

8. The tea waste heat recovery and frying machine according to claim 7, characterized in that: Two symmetrically arranged electric heaters (18) are fixedly mounted on the upper side of the first frame (7), and the two electric heaters (18) are respectively arranged on the front and rear sides of the protective cover (8), and the heating surfaces of the electric heaters (18) extend into the protective cover (8) and face the surface of the stir-fry drum (9).

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