Variable-frequency jet flow heating and drying equipment for tea powder production

Abstract

The utility model discloses frequency conversion jet flow heating drying equipment for tea powder production, which comprises a drying box, a support frame, a material screening box and a limit sliding piece, the support frame is arranged in the middle of the drying box, the top of the support frame is connected with the material screening box through elastic support pieces arranged at equal intervals, and the limit sliding piece is connected with the material screening box. A vibrator is installed in the end of the screening box, a limiting sliding piece is connected to one side of the screening box, and a limiting sliding groove matched with the limiting sliding piece is connected to the inner side of the supporting frame. Tea powder ground by the grinding roller set can fall into the screening box in a concentrated mode, the tea powder can be filtered, tea leaves which are not fully ground can be filtered out, secondary grinding work is facilitated, the vibrator is matched with the elastic supporting performance of the elastic supporting piece in a driving mode, and the vibration effect is good. And the screening box can shake at the top of the supporting frame through repeated sliding of the limiting sliding part in the limiting sliding groove, rapid separation and screening of tea powder and tea leaves are effectively improved, and subsequent drying and finished product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing of instant tea powder, in particular to variable frequency jet heating and drying equipment for tea powder production. Background Art

[0002] Instant tea powder is a solid beverage tea that can be quickly dissolved in water. It is made from finished tea, semi-finished tea, tea by-products or fresh leaves, and processed through extraction, filtration, concentration, drying and other processes to produce a new type of beverage in the form of granules, powders or small pieces that is easily soluble in water without tea residues. It has the advantages of being easy to carry and convenient to drink, and does not contain pesticide residues.

[0003] A variable frequency jet heating and drying instant tea powder production equipment disclosed in the Chinese utility model patent application disclosure CN207075491U can effectively utilize waste gas, save energy, be highly efficient and environmentally friendly, not easy to harden, and save production costs. However, the grinding and crushing structure of the tea powder in the traditional device is not efficient, and it is easy to grind incompletely. There are still unground tea leaves in the tea powder, resulting in a waste of resources and materials, and affecting the quality of subsequent finished products. It is urgent to develop. Utility Model Content

[0004] The purpose of the utility model is to provide a variable frequency jet heating and drying device for tea powder production 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 variable frequency jet heating and drying equipment for tea powder production, comprising a drying box, a support frame, a screening box and a limiting sliding member, a support frame is arranged in the middle of the drying box, the top of the support frame is connected to the screening box through elastic support members arranged at equal intervals, a vibrator is installed in the end of the screening box, one side of the screening box is connected to the limiting sliding member, the inner side of the support frame is connected to a limiting slide matching the limiting slide, the limiting slide is arranged in sliding contact with the limiting slide, the top of one side of the support frame is connected to an insertion groove, and one side of the support frame is connected to a pull handle.

[0006] Preferably, a built-in block is provided in one side of the drying box and above the insertion groove, a sliding block is slidably provided inside the built-in block, the bottom and one side of the sliding block are respectively connected with an insertion rod and a handle, and the top of the sliding block is connected to the inner top of the built-in block through a spring.

[0007] Preferably, a feed hopper is connected to the top of the drying box, a grinding roller group is arranged on the top of the drying box, a transmission rod is connected to one side of the grinding roller group, and a rotary drive mechanism is installed at the end of the transmission rod.

[0008] Preferably, a first stirring member and a second stirring member are disposed at the bottom of the drying box, and the first stirring member and the second stirring member are alternately disposed.

[0009] Preferably, a material taking cover is provided in the bottom of the drying box, an exhaust pipe is connected to one side of the drying box, and the exhaust pipe is located on one side of the first stirring member.

[0010] Preferably, an exhaust gas recovery device, a hot air distributor, a fan and a waste heat recovery device are provided on the rear side of the drying box, one side of the exhaust gas recovery device is connected to one end of the exhaust pipe, the front side of the hot air distributor is connected to a first connecting pipe, the two ends of the first connecting pipe are respectively connected to the rear sides of two hot air flow distributors, the fan is connected to the waste heat recovery device, the fan is connected to the exhaust gas recovery device through a third connecting pipe, and the waste heat recovery device is connected to the rear side of the hot air distributor through a second connecting pipe.

[0011] Preferably, the ends of the transmission rod and the first stirring member are simultaneously connected to first transmission wheels, and the two first transmission wheels are connected by a first transmission belt.

[0012] Preferably, two hot air flow distributors are symmetrically arranged below the support frame, and nozzles are connected to the bottom of the hot air flow distributors at equal intervals.

[0013] Preferably, the ends of the first stirring member and the second stirrer are simultaneously connected to second transmission wheels, and the two second transmission wheels are connected by a second transmission belt.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) This variable frequency jet heating drying equipment for tea powder production can filter the tea powder after the tea powder is ground by the grinding roller group and fall into the screening box, and can filter out the tea leaves that are not fully ground, which is convenient for secondary grinding. The vibrator drive cooperates with the elastic support of the elastic support member, so that the screening box can slide repeatedly along the limiting slide groove through the limiting sliding member and shake on the top of the support frame, which effectively improves the rapid separation and screening of tea powder and tea leaves, and improves the subsequent drying and finished product quality;

[0016] (2) This variable frequency jet heating drying equipment for tea powder production can drive the sliding block to slide along the inner block by lifting the lifting handle, and can control the plugging state of the plugging rod and the plugging groove, so that the support frame can be easily pulled out of the drying box, so as to facilitate the processing of the tea leaves collected in the screening box that need to be ground again, thereby improving the quality of subsequent finished product production;

[0017] (3) The variable frequency jet heating and drying equipment used for tea powder production achieves stirring of the tea powder by using a first transmission wheel, a first transmission belt, a second transmission wheel, a second transmission belt, a first stirring member and a second stirring member in combination, so that the tea powder is heated evenly and the drying effect is improved. The variable frequency jet heater composed of a hot air flow distributor, an exhaust pipe, a hot air distributor, a fan, a waste gas recovery device, a first connecting pipe, a waste heat recovery device, a second connecting pipe and a third connecting pipe sprays hot air into a drying box through the hot air distributor, the first connecting pipe and the nozzle of the hot air distributor. The tea powder located in the bottom area of ​​the drying box is quickly dried. The exhaust pipe discharges the waste gas, and the waste gas enters the waste gas recovery device, and is subsequently recovered and reused by the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the top view structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the top view of the structure of the connection between the screening box and the support frame of the utility model.

[0023] In the figure: 1, drying box; 2, feed hopper; 3, grinding roller group; 4, transmission rod; 5, rotary drive mechanism; 6, support frame; 601, limit slide; 602, plug-in groove; 7, screening box; 8, hot air flow distributor; 801, nozzle; 9, first stirring member; 10, second stirring member; 11, first transmission wheel; 12, first transmission belt; 13, second transmission wheel; 14, second transmission belt; 15, material collection cover; 16, exhaust pipe; 17, elastic support member; 18, limit slide; 19, vibrator; 20, pull handle; 21, built-in block; 22, sliding block; 2201, plug-in rod; 2202, lifting handle; 23, spring; 24, hot air distributor; 25, fan; 26, exhaust gas recovery device; 27, first connecting pipe; 28, waste heat recovery device; 29, second connecting pipe; 30, third connecting pipe. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figure 1-5 The utility model provides an embodiment: a variable frequency jet heating drying device for tea powder production, comprising a drying box 1, a support frame 6, a screening box 7 and a limit sliding member 18. The middle part of the drying box 1 is provided with a support frame 6, and the top of the support frame 6 is connected to the screening box 7 through elastic support members 17 arranged at equal intervals. The tea powder ground by the grinding roller group 3 will fall into the screening box 7 in a concentrated manner, and 701 can filter the tea powder, and can filter out tea leaves that are not fully ground, so as to facilitate secondary grinding;

[0026] A vibrator 19 is installed in the end of the screening box 7, and a limiting sliding member 18 is connected to one side of the screening box 7. A limiting slide 601 matching the limiting sliding member 18 is connected to the inner side of the support frame 6. The limiting sliding member 18 is arranged in sliding contact with the limiting slide 601. An insertion groove 602 is connected to the top of one side of the support frame 6. A pull handle 20 is connected to one side of the support frame 6. The vibrator 19 drives the elastic support of the elastic support member 17 to make the screening box 7 slide repeatedly along the limiting slide 601 through the limiting sliding member 18 and shake at the top of the support frame 6, thereby effectively improving the rapid separation and filtration of tea powder and tea leaves.

[0027] An internal block 21 is provided on one side of the drying box 1 and above the insertion groove 602. A sliding block 22 is slidably provided inside the internal block 21. The bottom and one side of the sliding block 22 are respectively connected with an insertion rod 2201 and a lifting handle 2202. The top of the sliding block 22 is connected to the inner top of the internal block 21 through a spring 23. Lifting the lifting handle 2202 can drive the sliding block 22 to slide along the internal block 21, and can control the plugging state of the insertion rod 2201 and the insertion groove 602, so as to facilitate the support frame 6 to be pulled out of the drying box 1.

[0028] A feed hopper 2 is connected to the top of the drying box 1 , a grinding roller group 3 is arranged on the top of the drying box 1 , a transmission rod 4 is connected to one side of the grinding roller group 3 , and a rotary drive mechanism 5 is installed at the end of the transmission rod 4 .

[0029] A first stirring member 9 and a second stirring member 10 are disposed at the bottom of the drying box 1 , and the first stirring member 9 and the second stirring member 10 are alternately disposed.

[0030] A material taking cover 15 is provided in the bottom of the drying box 1 , and an exhaust pipe 16 is connected to one side of the drying box 1 . The exhaust pipe 16 is located at one side of the first stirring member 9 .

[0031] An exhaust gas recovery device 26, a hot air distributor 24, a fan 25 and a waste heat recovery device 28 are provided on the rear side of the drying box 1. One side of the exhaust gas recovery device 26 is connected to one end of the exhaust pipe 16. A first connecting pipe 27 is connected to the front side of the hot air distributor 24. Both ends of the first connecting pipe 27 are respectively connected to the rear sides of the two hot air flow distributors 8. The fan 25 is connected to the waste heat recovery device 28. The fan 25 is connected to the exhaust gas recovery device 26 through a third connecting pipe 30. The waste heat recovery device 28 is connected to the rear side of the hot air distributor 24 through a second connecting pipe 29.

[0032] The ends of the transmission rod 4 and the first stirring member 9 are simultaneously connected to the first transmission wheel 11, and the two first transmission wheels 11 are connected by a first transmission belt 12. The first transmission wheel 11, the first transmission belt 12, the second transmission wheel 13, the second transmission belt 14, the first stirring member 9 and the second stirrer 10 are used in coordination to stir the tea powder, heat it evenly, and improve the drying effect.

[0033] Two hot air flow distributors 8 are symmetrically arranged below the support frame 6 , and nozzles 801 are connected to the bottom of the hot air flow distributors 8 at equal intervals.

[0034] The ends of the first stirring member 9 and the second stirring member 10 are simultaneously connected to a second transmission wheel 13 , and the two second transmission wheels 13 are connected via a second transmission belt 14 .

[0035] When the embodiment of the present application is in use: the tea powder ground by the grinding roller group 3 will fall into the screening box 7, 701 can filter the tea powder, and can filter out the tea leaves that are not fully ground, which is convenient for secondary grinding. The vibrator 19 drives the elastic support of the elastic support member 17 to make the screening box 7 slide repeatedly along the limiting slide groove 601 through the limiting sliding member 18, and can be shaken on the top of the support frame 6, which effectively improves the rapid separation and filtration of the tea powder and the tea leaves. The first transmission wheel 11, the first transmission belt 12, the second transmission wheel 13, the second transmission belt 14, the first stirring member 9 and the second stirring member 10 are used in combination to achieve the tea powder. Stirring is performed to make the heat evenly spread and improve the drying effect. The variable frequency jet heater composed of a hot air flow distributor 8, an exhaust pipe 16, a hot air distributor 24, a fan 25, an exhaust gas recovery device 26, a first connecting pipe 27, a waste heat recovery device 28, a second connecting pipe 29 and a third connecting pipe 30 sprays hot air into the drying box 1 through the hot air distributor 24, the first connecting pipe 27 and the nozzle 801 of the hot air flow distributor 8. The tea powder located in the bottom area of ​​the drying box 1 is quickly dried. The exhaust pipe 16 discharges the exhaust gas, and the exhaust gas enters the exhaust gas recovery device 26, and is subsequently recovered and reused by the fan 25.

Claims

1. A variable frequency jet heating and drying device for tea powder production, characterized in that: The invention comprises a drying box (1), a support frame (6), a screening box (7) and a limiting sliding member (18), wherein a support frame (6) is arranged in the middle of the drying box (1), the top of the support frame (6) is connected to the screening box (7) via elastic support members (17) arranged at equal intervals, a vibrator (19) is installed in the end of the screening box (7), one side of the screening box (7) is connected to the limiting sliding member (18), the inner side of the support frame (6) is connected to a limiting sliding groove (601) matching the limiting sliding member (18), the limiting sliding member (18) is arranged in sliding contact with the limiting sliding groove (601), the top of one side of the support frame (6) is connected to an insertion groove (602), and one side of the support frame (6) is connected to a pull handle (20).

2. The variable frequency jet heating and drying equipment for tea powder production according to claim 1, characterized in that: A built-in block (21) is arranged inside one side of the drying box (1) and above the insertion groove (602); a sliding block (22) is slidably arranged inside the built-in block (21); a bottom and one side of the sliding block (22) are respectively connected to an insertion rod (2201) and a handle (2202); and a top of the sliding block (22) is connected to the inner top of the built-in block (21) via a spring (23).

3. The variable frequency jet heating and drying equipment for tea powder production according to claim 2, characterized in that: A feed hopper (2) is connected to the top of the drying box (1), a grinding roller group (3) is arranged on the top of the drying box (1), a transmission rod (4) is connected to one side of the grinding roller group (3), and a rotation drive mechanism (5) is installed at the end of the transmission rod (4).

4. The variable frequency jet heating and drying equipment for tea powder production according to claim 3, characterized in that: A first stirring member (9) and a second stirring member (10) are arranged at the bottom of the drying box (1), and the first stirring member (9) and the second stirring member (10) are arranged alternately.

5. The variable frequency jet heating and drying equipment for tea powder production according to claim 4, characterized in that: A material taking cover (15) is provided at the bottom of the drying box (1), and an exhaust pipe (16) is connected to one side of the drying box (1), wherein the exhaust pipe (16) is located on one side of the first stirring member (9).

6. The variable frequency jet heating and drying equipment for tea powder production according to claim 5, characterized in that: An exhaust gas recovery device (26), a hot gas distributor (24), a fan (25) and a waste heat recovery device (28) are arranged on the rear side of the drying box (1); one side of the exhaust gas recovery device (26) is connected to one end of the exhaust pipe (16); the front side of the hot gas distributor (24) is connected to a first connecting pipe (27); both ends of the first connecting pipe (27) are respectively connected to the rear sides of the two hot gas distributors (8); the fan (25) is connected to the waste heat recovery device (28); the fan (25) is connected to the exhaust gas recovery device (26) via a third connecting pipe (30); and the waste heat recovery device (28) is connected to the rear side of the hot gas distributor (24) via a second connecting pipe (29).

7. The variable frequency jet heating and drying equipment for tea powder production according to claim 3, characterized in that: The ends of the transmission rod (4) and the first stirring member (9) are simultaneously connected to a first transmission wheel (11), and the two first transmission wheels (11) are connected via a first transmission belt (12).

8. The variable frequency jet heating and drying equipment for tea powder production according to claim 1, characterized in that: Two hot air flow distributors (8) are symmetrically arranged below the support frame (6), and nozzles (801) are connected to the bottom of the hot air flow distributors (8) at equal intervals.

9. The variable frequency jet heating and drying equipment for tea powder production according to claim 4, characterized in that: The ends of the first stirring member (9) and the second stirring member (10) are simultaneously connected to a second transmission wheel (13), and the two second transmission wheels (13) are connected via a second transmission belt (14).

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