CN108850224A - Adaptively it is evenly heated tea water-removing machine - Google Patents

Abstract

The invention discloses a self-adaptive uniform heating tea greening machine, which comprises a bracket, a rotary drum arranged on the bracket, a support wheel assembly supporting the rotary drum, and a rotating motor for driving the rotary drum to rotate. There are inlets and outlets. The inner wall of the rotary drum is provided with guide vanes distributed in a spiral shape. The heating plates for segmental heating are arranged at intervals along the axial direction under the outer circular surface of the rotary drum. The rotating motor passes through the chain. The transmission drives the rotary drum, and the tea greening machine is also equipped with a dehumidification device to discharge the water vapor in the rotary drum. In the present invention, under the action of the spirally distributed guide vanes, the rotary drum realizes automatic material turning, automatic discharge, high production efficiency, and can make the tea green evenly, and adopts segmented heating heating plates to perform non-contact heating on the rotary drum. Heating, energy consumption is low, and the temperature of each heating stage can be adjusted, and the heating is more reasonable.

Description

Adaptive uniform heating tea greening machine

technical field

The invention relates to a tea processing machine, in particular to a tea greening machine.

Background technique

The market retention of green tea occupies an important position in the tea market temporarily, accounting for about 75% of the total. The traditional greening processing of tea adopts high energy consumption electric furnace or direct heating method of resistance wire, the heat utilization efficiency is extremely low, less than 50% and the distribution is uneven. Therefore, the research on new green tea processing machinery and its control system is of great significance to improve the quality of tea production and save energy.

At present, the domestic tea greening equipment basically adopts manual greening and gas-type roller greening, etc., and then through the method of auxiliary greening treatment (including microwave-assisted greening, infrared auxiliary greening, etc.), to finally obtain tea leaves that are soft, emit grassy smell, and have a strong aroma. of rough processed products. The common problems of these traditional processing methods are: (1) high energy consumption and low energy utilization rate; (2) poor process stability and tea consistency; (3) temperature control depends on experience and is not easy to control; (4) production efficiency (5) The technical requirements for workers are high and the labor intensity is relatively large. Therefore, it is very urgent to develop a kind of energy-saving distributed self-adaptive new cast metal heating tea greening machine.

Contents of the invention

The technical problem to be solved by the present invention is to provide a self-adaptive uniform heating tea greening machine to solve the problems of high energy consumption, uneven greening degree and low production efficiency of traditional greening machines.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: the self-adaptive uniform heating tea greening machine includes a bracket, a rotary drum mounted on the bracket, a support wheel assembly supporting the rotary drum, and a rotating motor that drives the rotary drum to rotate. The two ends of the rotary drum are respectively provided with an inlet and an outlet, and the inner wall of the rotary drum is provided with guide vanes distributed in a spiral shape. The heating plate is heated, the rotating motor drives the rotary drum through a chain drive, and the tea degreening machine is also equipped with a dehumidification device that discharges the water vapor in the rotary drum. The release pipe is distributed along the axial direction with a number of release nozzles that release hot and dry air into the rotary drum.

Preferably, the heating plate includes an intermediate heating plate located below the middle position of the rotary drum, an inlet and outlet heating plate located below the inlet and outlet ends of the rotary drum, and the intermediate heating plate and the inlet and outlet heating plates are arc-shaped and rotate along the The circumferential extension of the drum.

Preferably, the supporting wheel assembly includes a supporting wheel shaft, a supporting wheel shaft support supporting the supporting wheel shaft, and a supporting wheel installed on the supporting wheel shaft, the supporting wheel shaft support is installed on a bracket, and the supporting wheel is supported under the rotary drum.

Preferably, support rings are provided on the outer circles of the two axial ends of the rotary drum near the inlet and outlet, and the supporting rollers are supported under the support rings.

Preferably, a block is provided on one side of the supporting wheel in the axial direction, and the block cooperates with the support ring to limit the rotation drum in the axial direction.

Preferably, the dehumidification device includes an exhaust fan and a ventilation duct, one end of the ventilation duct extends from the outlet into the rotary drum, and the other end is connected to the exhaust fan.

Preferably, the upper cover of the rotary drum is provided with an outer casing, the dehumidification device is fixed on the outer casing, and the outer casing is equipped with a temperature and humidity sensor for monitoring the temperature and humidity of the degreening machine.

Preferably, the guide vane is a variable-pitch guide vane.

Preferably, the rotating motor is connected to a reducer, the output shaft of the reducer is connected to the main transmission shaft, the main transmission shaft is connected to the driving sprocket, the outer circle of the inlet end of the rotary drum is connected to the driven sprocket, and the A chain is connected between the driving sprocket and the driven sprocket.

Preferably, the bracket is provided with supports at both the inlet end and the outlet end of the rotary drum, and the two ends of the hot gas release pipe are connected to the supports.

The present invention adopts above-mentioned technical scheme, the beneficial effect that produces is:

1. Through the chain transmission, the motor power is not afraid of high temperature and other harsh environments.

2. The rotary drum is supported by supporting wheels, which can well share the gravity of the rotary drum and the torque generated during rotation.

3. Under the action of the spirally distributed guide vanes, the rotary drum realizes automatic material turning and automatic material discharge, high production efficiency, and can make the tea green evenly.

4. The dehumidification device can discharge the water vapor in the rotary drum.

5. The segmented heating plate is used to heat the rotary drum non-contact, with low energy consumption, and the temperature of each heating stage can be regulated, making the heating more reasonable.

6. The central axis area of the rotary drum is equipped with a hot air release pipe to release hot and dry air into the rotary drum. The inside and outside of the drum are heated at the same time, and the heating is more uniform, which can make the tea green evenly.

The specific technical solutions and beneficial effects of the present invention will be described in detail in the following specific embodiments with reference to the accompanying drawings.

Description of drawings

Fig. 1 is the axonometric structural representation of the present invention;

Fig. 2 is a schematic diagram of a half-section structure of the present invention;

Fig. 3 is the left view structure schematic diagram of the present invention;

In the figure: 1. Main drive shaft; 2. Rotating motor; 3. Heating plate for inlet and outlet; 4. Support block for heating plate for inlet and outlet; 5. Intermediate heating plate; 6. Driven sprocket; 7. Outer shell; 8. Rotary drum; 9, bracket; 10, support wheel; 11, support wheel shaft; 12, support wheel shaft support; 13, dehumidification device; 14, chain; 15, driving sprocket wheel; 81, support ring; 91, beam; stringer.

Detailed ways

Referring to Figures 1 to 3, the self-adaptive uniform heating tea greening machine includes a bracket 9, a rotary drum 8 mounted on the bracket, a support wheel assembly supporting the rotary drum 8, and a rotating motor 2 that drives the rotary drum 8 to rotate. The two ends of the rotary drum are respectively provided with an inlet and an outlet, the inner wall of the rotary drum is provided with guide vanes distributed in a spiral shape, and the outer circular surface of the rotary drum is distributed with segmented heating plates at intervals along the axial direction. , the rotating motor drives the rotary drum 8 through a chain drive, and the tea greening machine is also provided with a dehumidification device 13 that discharges the water vapor in the rotary drum. There are several discharge nozzles distributed along the axial direction to discharge hot and dry air to the rotary drum. The rotary motor 2 drives the rotary drum 8 to rotate. Under the action of the spirally distributed guide vanes, the rotary drum 8 realizes automatic material turning and automatic discharge, and can make the tea leaves green evenly. The water vapor in the rotary drum 8 can be discharged by the dehumidification device 13 . Due to the use of chain drive, it is not afraid of power transmission under high temperature and other harsh environments. Due to the heating plate heated in sections, there is a gap between the heating plate and the rotary drum, and the non-contact heating of the rotary drum has low energy consumption, and the temperature of each heating stage can be adjusted, such as from the inlet to the outlet. , the temperature of the heating plate is gradually increased, and the heating is more reasonable. The central axis area of the rotary drum is equipped with a hot air release pipe, which releases hot and dry air into the rotary drum, and the inside and outside of the drum are heated at the same time, and the heating is more uniform, which can make the tea green evenly.

For the tea greening machine, only by ensuring uniform heating can the quality of the tea be guaranteed. On the one hand, the above-mentioned technical scheme adopts the heating plate heated in sections for gradient heating, and the heating temperature is controllable; on the other hand, the rotating motor is equipped with speed regulation Through the speed adjustment, the tea leaves can be evenly and speed-controllably turned over and transported from the inlet to the outlet. Finally, a hot air release tube is installed in the central axis area of the rotary drum to release hot and dry air to ensure uniform heating. Therefore, the greening of the tea is guaranteed. Quality requirements.

Wherein, the heating plate includes an intermediate heating plate 5 located below the middle position of the rotary drum, an inlet and outlet heating plate 3 located below the inlet and outlet ends of the rotary drum, and the intermediate heating plate 5 and the inlet and outlet heating plates 3 are arc-shaped And extend along the circumference of the rotary drum. The middle heating plate 5 and the inlet and outlet heating plates 3 are arc-shaped with a radian exceeding 180° so as to form a larger heating area. In addition, the axial length of the middle heating plate 5 is no more than 400 mm. The distance between the middle heating plate 5 and the inlet and outlet heating plates 3 and the outer circular surface of the rotary drum must not exceed 100 mm, so as to avoid excessive distance and lower heating efficiency. The temperature of the middle heating plate 5 and the inlet and outlet heating plates 3 can be regulated so as to form different heating temperatures from the inlet to the outlet.

The bracket 9 includes a bottom plate, a longitudinal beam 92 vertically fixed on the bottom plate, and a crossbeam 91 connecting the longitudinal beam. Six longitudinal beams are distributed along the axial direction of the rotary drum, two on each side, and a total of four inlet and outlet heating plate support blocks 4 pass through. The screws are fixedly installed on the longitudinal beams 92 on both axial sides of the support 9, the two longitudinal beams 92 arranged in the middle are connected with the cross beams 91, and the central heating plate 5 is fixed on the cross beams 91 at the center of the support 9 by screws.

Wherein, the support wheel assembly includes a support wheel shaft 11, a support wheel shaft support 12 supporting the support wheel shaft, a support wheel 10 installed on the support wheel shaft, the support wheel shaft support 12 is installed on the bracket 9, and the support wheel is supported on Rotary drum 8 below. The supporting wheel shaft 11 is coaxial with the rotary drum 8 , four sets of supporting wheel assemblies are arranged to support the rotary drum, and eight supporting wheel shaft supports 12 are fixed on the longitudinal beams 92 . The support roller 10 supports the gravity direction of the rotary drum 8, which can well share the gravity of the rotary drum and the torque generated during rotation.

In addition, support rings 81 are provided on the outer circles of the two ends of the rotary drum in the axial direction near the inlet and outlet, and the idlers are supported under the support rings. A block is provided on one side of the supporting wheel in the axial direction, and the block cooperates with the supporting ring to limit the axial position of the rotary drum.

The dehumidification device 13 includes an exhaust fan and a ventilation duct, one end of the ventilation duct extends into the rotary drum from the outlet, and the other end is connected to the exhaust fan. The upper cover of the rotary drum is provided with an outer casing 7, and the dehumidification device 13 is fixed on the outer casing 7, and the outer casing 7 is equipped with a temperature and humidity sensor that monitors the temperature and humidity of the greening machine, and the dehumidification device 13 is based on The temperature and humidity sensor monitors the data, adjusts the speed of the exhaust fan, and keeps the temperature and humidity in the rotary drum within a suitable range.

The guide vane is a variable pitch guide vane. The rotating motor is connected to a reducer, the output shaft of the reducer is connected to the main transmission shaft 1, the main transmission shaft 1 is connected to the driving sprocket 15, and the outer circle of the inlet end of the rotary drum is connected to the driven sprocket 6, so A chain 14 is connected between the driving sprocket and the driven sprocket. The rotating motor is installed coaxially with the main transmission shaft and the driving sprocket, and the driven sprocket is welded on the rotary drum. The rotating motor is used in conjunction with the reducer to meet the torque requirements of the greening machine.

The bracket is provided with supports at the inlet and outlet ends of the rotary drum, and the two ends of the hot gas release pipe are connected with the support members to ensure that the position of the hot gas release pipe is stable and always on the central axis of the rotary drum.

The invention has simple operation and simple structure, solves the problems of incomplete finishing and uneven finishing quality in the traditional finishing mode, and is suitable for popularization and use.

The above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the content described in the above specific embodiment. Any modifications that do not depart from the functional and structural principles of the present invention will be included in the scope of the claims.

Claims (10)

1. being adaptively evenly heated tea water-removing machine, the support of revolving cylinder, support revolving cylinder including bracket, on bracket Wheel assembly, driving revolving cylinder rotation rotating electric machine, the both ends of the revolving cylinder are respectively equipped with inlet and outlet, described time The inner wall of tumbler cylinder is equipped with the guide-leaf plate of spiral distribution, it is characterised in that：Along axis below the periphery of the revolving cylinder To the heating plate for being intervally distributed with segmentally heating, the rotating electric machine drives revolving cylinder, the tea green-keeping by chain drive Machine is additionally provided with the dehumidification device of the steam discharge in revolving cylinder, and the central axes region setting hot gas of the revolving cylinder discharges The axially distributed relief nozzle for having several to discharge heated dry air into revolving cylinder is managed in pipe, the hot gas release.

2. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The heating plate includes position Central heater plate below revolving cylinder middle position, the inlet and outlet being located at turn around below roller inlet and outlet heating Plate, the central heater plate, inlet and outlet heating plate are arc-shaped and along the circumferentially extending of revolving cylinder.

3. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The supporting roller component includes Supporting-roller shaft, supporting bracket wheel shaft support roller shaft stool, be mounted on the support roller of supporting-roller shaft, the support roller shaft stool is rack-mount, The support roller is supported below revolving cylinder.

4. according to claim 3 be adaptively evenly heated tea water-removing machine, it is characterised in that：The axis of the revolving cylinder It is equipped with support ring to the close inlet and outlet of both ends outer circle, the support roller is supported below support ring.

5. according to claim 4 be adaptively evenly heated tea water-removing machine, it is characterised in that：Axial the one of the support roller Side is equipped with block, and the block and support ring, which cooperate, carries out axial limiting to revolving cylinder.

6. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The dehumidification device includes Revolving cylinder is protruded into from outlet in one end of scavenger fan and ventilation shaft, the ventilation shaft, and the other end connects scavenger fan.

7. according to claim 6 be adaptively evenly heated tea water-removing machine, it is characterised in that：The revolving cylinder it is upper Side is covered with outer housing, and the dehumidification device is fixed on outer housing, and the outer housing is equipped with to the temperature of green-keeping machine and wet Spend the Temperature Humidity Sensor being monitored.

8. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The guide-leaf plate is to become spiral shell Away from guide-leaf plate.

9. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The rotating electric machine connection Retarder, the output axis connection main shaft of the retarder, the main shaft connect drive sprocket, the revolving cylinder Input end outer circle connects driven sprocket, is connected with chain between the drive sprocket and driven sprocket.

10. according to claim 1 be adaptively evenly heated tea water-removing machine, it is characterised in that：The bracket is turning round The inlet end and an outlet end of roller is equipped with supporting element, and the both ends of the hot gas release pipe are connect with supporting element.