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A two-stage stone mill device, oolong matcha production line and its processing technology

A production line and stone grinding technology, applied in the field of tea processing, can solve the problems of short maintenance time, poor color stability and high temperature sensitivity, and achieve the effects of long maintenance time, mild drying effect and improved drying rate

Active Publication Date: 2022-06-28
FUJIAN HECHADAO ECOLOGICAL AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of matcha taste, poor color stability, high temperature sensitivity, and short maintenance time in matcha processed from green tea in the prior art, the present invention adopts two-stage stone milling combined with low-temperature drying to reduce the aroma loss during the stone milling process, Reduce the color change of tea leaves, maintain the taste, reduce the sensitivity of tea leaves to temperature changes, and maintain the stability of tea for a long time; in addition, the use of two-stage stone milling method also effectively improves the output efficiency of matcha and the uniformity of matcha powder

Method used

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  • A two-stage stone mill device, oolong matcha production line and its processing technology
  • A two-stage stone mill device, oolong matcha production line and its processing technology
  • A two-stage stone mill device, oolong matcha production line and its processing technology

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Effect test

Embodiment 1

[0134] The processing technology of oolong matcha tea in the present embodiment comprises the following steps:

[0135] Step 1, pick out selected tea leaves from the tea gardens that have been applied with seaweed fertilizer, and sun-dry, the temperature is controlled at 35°C, and the sun-drying time is 80 minutes;

[0136] The second step is to shake the green tea, and the sun-treated tea leaves are subjected to the shaking green treatment, wherein the shaking green treatment time is 4 minutes, the rotating speed of the shaking green machine is 30 r / min, the temperature is controlled at 22° C., and the humidity is 50%;

[0137] Step 3, fixing and rolling, using a two-speed drum-type steam fixing machine, steam pressure 3 kg, temperature 130 ° C, fixing for 40 seconds; the tea leaves after fixing are rapidly cooled and then subjected to rolling treatment, and the rolling machine is pressed for 20 minutes for rolling;

[0138] Step 4, low temperature drying, secondary fixing, d...

Embodiment 2

[0143] The processing technology of oolong matcha tea in the present embodiment comprises the following steps:

[0144] Step 1, pick out selected tea leaves from the tea gardens that have been applied with seaweed fertilizer, and sun-dry, the temperature is controlled at 35°C, and the sun-drying time is 80 minutes;

[0145] The second step is to shake the green tea, and the sun-treated tea leaves are subjected to the shaking green treatment, wherein the shaking green treatment time is 4 minutes, the rotating speed of the shaking green machine is 30 r / min, the temperature is controlled at 22° C., and the humidity is 50%;

[0146] Step 3, fixing and rolling, using a two-speed drum-type steam fixing machine, steam pressure 3 kg, temperature 130 ° C, fixing for 40 seconds; the tea leaves after fixing are rapidly cooled and then subjected to rolling treatment, and the rolling machine is pressed for 20 minutes for rolling;

[0147] Step 4, low temperature drying, secondary fixing, d...

Embodiment 3

[0152] The processing technology of oolong matcha tea in the present embodiment comprises the following steps:

[0153] Step 1, pick out selected tea leaves from the tea gardens that have been applied with seaweed fertilizer, and sun-dry, the temperature is controlled at 35°C, and the sun-drying time is 80 minutes;

[0154] The second step is to shake the green tea, and the sun-treated tea leaves are subjected to the shaking green treatment, wherein the shaking green treatment time is 4 minutes, the rotating speed of the shaking green machine is 30 r / min, the temperature is controlled at 22° C., and the humidity is 50%;

[0155] Step 3, fixing and rolling, using a two-speed drum-type steam fixing machine, steam pressure 3 kg, temperature 130 ° C, fixing for 40 seconds; the tea leaves after fixing are rapidly cooled and then subjected to rolling treatment, and the rolling machine is pressed for 20 minutes for rolling;

[0156] Step 4, low temperature drying, secondary fixing, d...

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Abstract

The invention discloses a two-stage stone mill device, an oolong matcha production line and its processing technology, belonging to the field of tea processing, including a primary stone mill device and a two-stage stone mill device, the first stone mill motor is installed in the first stone mill shell On the body, the rotating shaft of the first stone mill is set vertically and rotated by the first stone mill motor, and the center of the first stone mill disc is installed on the first stone mill rotating shaft; the inside of the first stone mill body is formed from top to bottom There are at least two stone milling chambers for stone milling raw tea, and the two stone milling chambers are separated by a horizontally arranged supporting grid plate, and the supporting grid plate is fixedly installed on the first stone mill rotating shaft. The beneficial effects of the present invention are as follows: the second-stage stone mill is used in conjunction with low-temperature drying to reduce the loss of aroma during the stone mill process, reduce the color change of tea leaves, maintain the taste, reduce the sensitivity of tea leaves to temperature changes, and maintain long-term stability of tea properties; , The use of two-stage stone mills also effectively improves the output efficiency of matcha and the uniformity of matcha powder.

Description

technical field [0001] The invention relates to the field of tea processing, in particular to a two-stage stone grinding device, an oolong matcha production line and a processing technology thereof. Background technique [0002] Matcha has a unique seaweed flavor and health care function, and is mainly used as a food additive in baked goods, cold drinks, milk tea and other products. At present, matcha is generally obtained through green tea processing. The processing technology generally adopts shaking, greening, rolling, drying, pulverizing and grinding. The obtained matcha has poor taste, color stability, high temperature sensitivity, and short maintenance time. [0003] For example, the invention patent application with publication number CN111700130A discloses a matcha processing technology, which includes the step of grinding the ground tea. It is beneficial to dissipate the smell of the fire caused by the high temperature in the tencha furnace during the preparation o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C21/00B02C4/02B02C4/28B02C7/08B02C7/11B02C19/22A23F3/06A23F3/12F26B20/00
CPCB02C21/00B02C4/02B02C4/28B02C7/08B02C7/11B02C19/22A23F3/06A23F3/12F26B20/00F26B2200/20
Inventor 傅四方朴泫洙
Owner FUJIAN HECHADAO ECOLOGICAL AGRI
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