CN2798603Y - Continuous frying machine for tea making - Google Patents

Abstract

The utility model relates to a continuous frying and drying machine for making tea, which comprises a machine frame and a transmission device, a heat source device, a roller, a tea feeding hopper, etc. The utility model is characterized in that the heat source device is a hot blast stove, a hot blast conveying pipe of the hot blast stove and the tea feeding hopper extend into the roller and are hermetically connected with the tea feeding end of the roller by gaps, and an air outlet of the hot blast conveying pipe is communicated with an inner cavity of the roller; the middle axial cord of the roller is provided with a plurality of hot blast baffle plates at intervals, and a leaf feeding passage of the tea feeding hopper is provided with a one-way tea feeder. An air and leaf separation hood is connected to the tea outlet end of the roller by gaps, an exhaust pipe is arranged on the upper part of the air and leaf separation hood, and a leaf venting opening is arranged on the lower part of the air and leaf separation hood. The utility model uses hot blast as heat sources, directly leads the hot blast into a cooker and changes the existing frying and drying modes in principle, and the existing frying and drying modes are characterized in that point type heat sources such as firewood, coal, electric stoves, etc., are used for heating the wall of the cooker, and the wall of the cooker contacts tea to be fried. The utility model has advantages that finished tea has no burnt edges, no explosive points and better quality; continuous and standardized production and operation are realized.

Description

Continuous fry-drying machine for tea making

Technical field

The utility model belongs to a kind of tea manufacturing machine, especially relates to a kind of tealeaves roasting machine.

Background technology

In producing green tea, fry doing operation is last procedure, fry do the back finished product.Before the utility model is made, the roasting machine tool of existing public technology is single, cooking-pot type device, it by frame, static state or dynamic pot as cylinder, and formation such as heat power supply device, as adopt the drum-type bowl, then this cylinder is provided with into tea outlet, and its inwall is provided with spiral guide plate.Fry to do principle and be point type thermals source such as utilizing the bavin coal that is arranged on the bowl below, electric furnace earlier with the heating of pot wall, directly contact with last finished tea by the pot wall again, heat is passed to stem tea to be fried cause its evaporation moisture content, reach and fry dried purpose.There is following defective in actual applications in this device: 1, owing to the reason of installing, fry and do operation fully by the artificial technological parameter of grasping, along with evaporation time changes a process of successively decreasing is gradually arranged because fry the water content of last finished tea in doing, so its temperature, time, tealeaves of fry doing usefulness stirs frequency etc. in whole evaporation time section a corresponding process of successively decreasing gradually should be arranged also, so just meet the tea-manufacturing technology parameter request, prior art then is difficult to accomplish.2, point type thermals source such as bavin coal, electric furnace are directly given the heating of pot wall, utilize the pot wall to reach the heat transfer purpose with direct contact of tealeaves, easily make the tealeaves blade produce burnt limit, quick-fried some phenomenon and have the cigarette smell of burning, influence tea leaf quality, this is the critical defect that overcomes of end also still so far in the existing producing green tea.3, existing equipment can't be realized serialization, standardized production operation, and efficient is low.

Summary of the invention

For overcoming the above-mentioned defective of prior art, the utility model aims to provide a kind of continuous fry-drying machine for tea making, with this machine fry stem tea not only technology meet the variation that last finished tea water content evaporation is successively decreased gradually, the finished tea of frying after doing can not produce burnt limit, quick-fried some phenomenon, tea leaf quality is good, but also has the advantage of serialization, standardized production operation.

For solving the problems of the technologies described above, the utility model has been taked following technical scheme.

The structure of this continuous fry-drying machine for tea making comprises frame and transmission device, heat power supply device, cylinder and tea inlet bucket etc., cylinder is installed in the roller that places on the frame, on the support roller, cylinder hollow both side ends is respectively tea inlet end and tea end, the tea passage that advances of tea inlet bucket communicates with drum cavity, inner wall of rotary drum is provided with spiral guide plate, it is characterized in that: heat power supply device adopts hot-blast stove, the outlet air end of its hot blast conveying pipe stretches into through the end capping that is located on the cylinder tea inlet end with tea inlet bucket, end capping and hot blast conveying pipe, the tube wall that advances the tea passage of tea inlet bucket is affixed, the end capping is that clearance seal connects with the cylinder tea inlet end, and the air outlet of hot blast conveying pipe communicates with drum cavity; Compartment is provided with some hot-air dampers on the axis of cylinder, and the leaf passage that advances of tea inlet bucket is provided with the unidirectional tea device that advances; A gas-leaf separation cover clearance-type is connected on the tea end of cylinder, and its top is blast pipe, and the bottom is a leaf discharging port.

During concrete enforcement, being arranged on unidirectional on the tea passage into, to advance the tea device be the spiral leaf device that pushes away.

Also be provided with a mechanism that can regulate inclination angle between cylinder axis line and ground on the frame.

The radial height of the spiral guide plate on the inner wall of rotary drum differs, and is low more to cylinder tea end height more.

Compared with prior art, the maximum characteristics of the utility model are: with hot blast as thermal source and directly introduce it in pot, contact with treating stem tea, changed elder generation such as the point type thermal source that in the past always uses bavin coal, electric furnace heating kettle wall from principle, mode is done in the stir-fry that utilizes the pot wall to contact with tealeaves to be fried again.We can say that this change is ground-breaking, its become to fry is done to brightness and does (therefore, roasting machine has become firing machine here), obviously brightness in finished tea can not produce burnt limit, quick-fried some phenomenon, quality better.This compared with prior art, a pot wall temperature can not be too high in the prior art, otherwise burnt limit, quick-fried some phenomenon can be more serious, and the wind-warm syndrome of this machine can not make tealeaves produce burnt limit, quick-fried some phenomenon after improving, and therefore can enhance productivity.

In addition, can realize regulating the holdup time of tealeaves in cylinder by the inclination angle angle of regulating between cylinder axis line and ground, and the roasting machine of this structure, cylinder inside along with the variable in distance of hot blast air outlet, hot blast temperature also is a gradient, is that starting point has formed high-temperature region, middle warm area and low-temperature space with the air outlet, and is low more from hot blast air outlet temperature far away more, this is just in time corresponding with the water content of waiting to fry tealeaves, has realized the reasonability of technology.Moreover the turnover tea of this roasting machine can carry out continuously, so after establishing conveyer belt, can realize serialization, standardized production operation.

Description of drawings

Fig. 1 is the broken section structural representation of an embodiment of the utility model.

The specific embodiment

Referring to Fig. 1, sequence number is represented respectively among the figure: tea inlet bucket 10, advance tea path 10 1, cylinder 20, spiral guide plate 201,202, hot-air damper 203, cylinder seal section 204, end capping 205, the spiral guide plate 206 that keeps out the wind, advance guide-leaf plate 207, gas-leaf separation cover 30, gas passage 301 fast, blast pipe 302, observation window 303, leaf discharging port 304, cylinder tea end and separation hood joint portion 305, hot blast conveying pipe 40, warm-air pipe end pore 401.

The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.

Referring to Fig. 1, do not draw among the figure frame, hot-blast stove, and roller, support roller drive parts such as transmission, and these are same as the prior art.

Cylinder 20 is installed on the roller that places on the frame, the support roller.The middle cross section of cylinder 20 is octagonal (can certainly be hexagonal or circle etc.), and the hollow both side ends is respectively tea inlet end and tea end.The tea inlet end place by end capping 205 be located at spiral in the cylinder 20 guide plate 206 that keeps out the wind and constitute seal section 204 zones, end capping 205 connects for clearance seal with cylinder 20.Be provided with quick propelling guide-leaf plate 207 in seal section 204 zones, tea path 10 1 outlet of advancing of tea inlet bucket 10 communicates with seal section 204 zones.

The inner chamber of hot blast conveying pipe 40 after end capping 205 enters cylinder 20 seal sections 204 zones, the tube wall that advances tea path 10 1 of the tube wall of hot blast conveying pipe 40 and tea inlet bucket 10 is affixed with end capping 205.Adopt this connecting mode, the one, the sound articulation issues when solving operation between cylinder 20 and the hot blast conveying pipe 40 is because cylinder 20 will rotate during work; The 2nd, guarantee that hot blast does not leak.

Into leaf is smooth and easy in order to solve, and hot blast is from advancing the tea passage problem that leaks, and can advance to establish the unidirectional tea device that advances on the tea passage.Unidirectionally advance the tea device and can adopt the spiral leaf device structure that pushes away, promptly tealeaves can enter along the flight forward, and hot blast is owing to oppositely can not leak.The spiral structure that pushes away the leaf device is the known technology of those skilled in the art, no longer elaborates at this.

Inner wall of rotary drum is provided with spiral guide plate 201,202, and compartment is provided with some center hot-air dampers 203 on the cylinder axis, its objective is to prevent tealeaves axially being blown away by hot blast of tube, to increase the holdup time of tealeaves in tube.

Have a plurality of warm-air pipes end pore 401 on the end of the outlet air end of hot blast conveying pipe 40, make the higher relatively stem tea for the treatment of of water content of just having come in directly accept spray hot wind from tea inlet bucket 10.The pore shape can be decided as required, generally is circular.

Establish gas-leaf separation cover 30 on the tea end of cylinder 20, the nozzle of cylinder 20 and gas-leaf separation cover 30 form cylinder right-hand member and separation hood joint portion 305 for the gap connects, and its purpose also is a solution sound articulation issues.Gas-leaf separation cover 30 tops are blast pipe 302, and the bottom is a leaf discharging port 304.

The operation principle of this machine is as follows:

Conveyer belt is sent stem tea to be fried into tea inlet bucket 10, pushes away under the effect of leaf device unidirectional, and tealeaves enters cylinder seal section 204 along the flight that pushes away the leaf device.Advance fast guide-leaf plate 207, spiral to keep out the wind under the effect of guide plate 206, entering into cylinder 20 inner chambers behind the seal section 204.Guide plate 206 is very little with the gap of hot blast conveying pipe 40 because spiral keeps out the wind, and hot blast can not release from tea inlet bucket 10.Tealeaves is shed in turning round in cylinder 20, fully contacts with hot blast, makes dehydrating effect best.Because spiral guide plate 201,202 constantly extends forward, plays the stator effect, stopped that simultaneously tealeaves moves to outlet rapidly under the wind-force effect, it is not enough to avoid frying the time of doing.Because spiral guide plate 201,202 highly differs, thereby the inner chamber of cylinder 20 is divided into some warm areas vertically.The purpose that hot-air damper 203 is set is to prevent that hot blast from being that the less circuit of windage is directly discharged along the axis, and waste heat energy.

When tealeaves moved to the cylinder tea end, hot blast was discharged through blast pipe 302 from gas passage 301, and tealeaves is discharged through leaf discharging port 304 under the deadweight effect, delivers to next procedure by conveyer belt.

Claims (4)

1, a kind of continuous fry-drying machine for tea making, its structure comprises frame and transmission device, heat power supply device, cylinder and tea inlet bucket etc., cylinder (20) is installed in the roller that places on the frame, on the support roller, cylinder (20) hollow both side ends is respectively tea inlet end and tea end, the tea passage (101) that advances of tea inlet bucket (10) communicates with cylinder (20) inner chamber, cylinder (20) inwall is provided with spiral guide plate (201,202), it is characterized in that: heat power supply device adopts hot-blast stove, the outlet air end of its hot blast conveying pipe (4) stretches into through the end capping (205) that is located on cylinder (20) tea inlet end with tea inlet bucket (10), end capping and hot blast conveying pipe (40), the tube wall that advances tea passage (101) of tea inlet bucket (10) is affixed, end capping (205) is that clearance seal connects with cylinder (20) tea inlet end, and the air outlet of hot blast conveying pipe (40) communicates with cylinder (20) inner chamber; Compartment is provided with some hot-air dampers (203) on the axis of cylinder (20), and the leaf passage (101) that advances of tea inlet bucket (10) is provided with the unidirectional tea device that advances; A gas-leaf separation cover (30) clearance-type is connected on the tea end of cylinder (20), and its top is blast pipe (302), and the bottom is leaf discharging port (304).

2, a kind of continuous fry-drying machine for tea making as claimed in claim 1 is characterized in that: being arranged on unidirectional on the tea passage (101) into, to advance the tea device be the spiral leaf device that pushes away.

3, a kind of continuous fry-drying machine for tea making as claimed in claim 1 or 2 is characterized in that: also be provided with a mechanism that can regulate inclination angle between cylinder (20) axial line and ground on the frame.

4, a kind of continuous fry-drying machine for tea making as claimed in claim 3 is characterized in that: the radial height of the spiral guide plate (201,202) on cylinder (20) inwall differs, and is more low more to cylinder (20) tea end height.