JP4657963B2 - Continuous steaming method for raw tea leaves and continuous steaming method for raw vegetables - Google Patents

Description

    The present invention relates to a continuous steaming method for raw tea leaves and a continuous steaming method for raw vegetables, and in particular, a continuous steaming method for raw tea leaves that can be continuously steamed by irradiating microwaves and a continuous steaming of raw vegetables. It relates to the steaming method.

Conventionally, there is a steamer that steams raw tea leaves with steam so as to lose the activity of oxidase in the raw tea leaves (see, for example, Patent Document 1).
This supplies steam generated in the boiler into the steamer body through a steam supply pipe.
JP-A-7-31374

    Therefore, in the above steamer, a boiler, piping and the like for generating steam are necessary, and the whole apparatus becomes large and steams raw tea leaves with steam, so the percentage of water content in tea leaves is high. As a result, there is a problem in that it has to be further dried in a later drying step.

  An object of the present invention is to provide a continuous steaming method for raw tea leaves and a continuous steaming method for raw vegetables which eliminate the above-mentioned problems.

The continuous steaming method of raw tea leaves according to claim 1, wherein the raw tea leaves are transported with the upper transport member and the lower transport member sandwiched between the upper transport member and the lower transport member, The left fixing member is located on the left side in the conveying direction of the raw tea leaves, and the right fixing member is located on the right side, and is surrounded and conveyed by the upper conveying member, the lower conveying member, the left fixing member, and the right fixing member. The raw tea leaves are steamed using the moisture contained in the raw tea leaves by irradiating the raw tea leaves with microwaves through the upper transport member formed of a member that transmits microwaves .

    Further, the continuous steaming method for raw tea leaves according to claim 2 is the continuous steaming method for raw tea leaves according to claim 1, wherein the receiving portion for receiving the raw tea leaves is a plan view, and the tip of the lower transport member is transported upward. A gap height h (H between the lower conveying member and the upper conveying member is defined as the raw tea leaf conveyed at a substantially constant height H on the lower conveying member before the tip of the member. > H), the raw tea leaves are transported in a state of being sandwiched between the upper transport member and the lower transport member.

Moreover, the continuous steaming method of the raw vegetables of Claim 3 is conveyed in the state which pinched | interposed the raw vegetables by the upper conveyance member and the lower conveyance member, and on both sides of the said upper conveyance member and the said lower conveyance member to convey Is a left fixing member on the left side in the conveying direction of the raw vegetables and a right fixing member on the right side, and is surrounded and conveyed by the upper conveying member, the lower conveying member, the left fixing member, and the right fixing member. The raw vegetables are steamed by using the moisture contained in the raw vegetables by irradiating the raw vegetables with microwaves through the upper conveying member formed of a member that transmits microwaves. .

    According to the continuous steaming method for raw tea leaves according to claim 1, the raw tea leaves are transported in a state of being sandwiched between the upper transport member and the lower transport member, and on both sides of the upper transport member and the lower transport member to be transported. Is a left fixing member on the left side and a right fixing member on the right side in the conveying direction of the raw tea leaves, and is surrounded and conveyed by the upper conveying member, the lower conveying member, the left fixing member, and the right fixing member. In order to irradiate the raw tea leaves with microwaves, the moisture contained in the raw tea leaves is confined to some extent by the “upper conveying member, lower conveying member, left side fixing member, right side fixing member”, and the moisture contained in the raw tea leaves The raw tea leaves can be steamed continuously, and the water contained in the raw tea leaves can be used to remove the water from the raw tea leaves. Mitigation Rukoto can.

    Moreover, according to the continuous steaming method of the raw vegetables of Claim 3, while conveying the raw vegetables between the upper conveyance member and the lower conveyance member, the upper conveyance member and the lower conveyance member to be conveyed are conveyed. A left side fixing member and a right side fixing member are located on the left and right sides of the raw vegetables in the conveying direction on both sides, respectively, and are surrounded by the upper conveying member, the lower conveying member, the left fixing member, and the right fixing member. In order to irradiate microwaves to the raw vegetables to be transported, the moisture contained in the raw vegetables is confined to some extent by the “upper conveying member, lower conveying member, left side fixing member, right side fixing member”, and the raw vegetables contain The raw vegetables can be steamed continuously by using the moisture.

One embodiment of the method for continuous steaming of raw tea leaves according to the present invention will be described with reference to the drawings.
1 to 5, A is a continuous steaming device for raw tea leaves used in the continuous steaming method for raw tea leaves 10, and the continuous steaming device A for raw tea leaves is transported with the raw tea leaves 10 sandwiched between them. An upper conveying member 1 and a lower conveying member 2 are provided.

The upper conveying member 1 moves the raw tea leaves 10 from the right side to the left side through the left upper sprocket 32, the guide sprockets 33 and 34, and the upper right side sprocket 35 by the transmission member (for example, chain) 31 of the rotation of the motor 3. (See FIGS. 1 and 2).
Further, the lower conveying member 2 passes the raw tea leaves 10 from the right side to the left side through the lower left sprocket 36, the tension sprocket 37, and the lower right sprocket 38 by the transmission member 31 through the transmission member 31. It conveys at the same speed as the conveyance member 1 (refer FIG.1 and FIG.2).

1 and 2 is a receiving portion for receiving raw tea leaves 10. In the receiving portion X, as shown in FIG. 2, the front end 2a of the lower transport member 2 is the front end of the upper transport member 1 as shown in FIG. Prior to 1a, the raw tea leaves 10 are conveyed on the lower conveying member 2 at a substantially constant height H (for example, 5 cm) by a leveling device (not shown).
The gap height h (H> h) between the lower conveying member 2 and the upper conveying member 1 is, for example, 4 cm. As a result, the raw tea leaves 10 are transported while being sandwiched between the upper transport member 1 and the lower transport member 2 (see FIGS. 3 and 4).

On both sides of the upper transport member 1 and the lower transport member 2 to be transported, a left fixing member 4 and a right fixing member 5 are respectively positioned on the left side and the right side in the transport direction of the raw tea leaves 10. 6 is an electromagnetic wave heater that irradiates microwaves. As shown in FIGS. 2 and 5, the electromagnetic wave heater 6 causes the upper conveyance member 1, the lower conveyance member 2, the left side fixing member 4, and the right side fixing member 5 to The raw tea leaves 10 surrounded and transported are irradiated with microwaves, and the raw tea leaves 10 are continuously steamed using the water contained in the raw tea leaves 10 to lose the activity of the oxidase of the raw tea leaves 10 I am doing so.
In FIGS. 1, 3, and 4, 7 and 8 indicate that microwaves irradiated by the electromagnetic wave heater 6 are “enclosed by the upper conveyance member 1, the lower conveyance member 2, the left side fixing member 4, and the right side fixing member 5. It is a reflection plate that reflects so as not to go out of the “parts”. The upper conveying member 1 is formed of a member that transmits microwaves.

     Therefore, according to the continuous steaming method of the raw tea leaves described above, the raw tea leaves 10 are transported while being sandwiched between the upper transport member 1 and the lower transport member 2, and the upper transport member 1 and the lower transport member 2 to be transported are transported. The left side fixing member 4 and the right side fixing member 5 are positioned on the left and right sides of the raw tea leaves 10 on both sides, respectively. The upper conveying member 1, the lower conveying member 2, the left fixing member 4, and the right fixing member 5 In order to irradiate microwaves to the raw tea leaves 10 surrounded and transported, the moisture contained in the raw tea leaves 10 is confined to some extent by the “upper transport member 1, lower transport member 2, left side fixing member 4, right side fixing member 5”. The raw tea leaves 10 can be continuously steamed using the water contained in the raw tea leaves 10, and the water contained in the raw tea leaves 10 can be used for the moisture of the raw tea leaves 10. Can be removed , It is possible to reduce of after tea drying step.

After steaming the raw tea leaves 10, the steamed tea is cooled with a cooling machine (not shown) so as to remove the moisture of the steamed tea with the wind, and thereafter, a roughing machine, a twisting machine, and a middle cooking machine (not shown) are used. ,
Well-known processing of tea is performed by a precision mill, a dryer, a fire-igniter, or the like.

In addition, although the target of the Example mentioned above was raw tea leaves, when manufacturing vegetable powders, such as raw vegetables (for example, cabbage, barley young leaves, etc., especially barley young leaves), when applying this invention The subsequent drying process can be reduced.) Can be steamed in the same manner as raw tea leaves.
Furthermore, although raw tea leaves and raw vegetables were directly irradiated with microwaves by the electromagnetic wave heater 6, although not shown, the raw tea leaves and raw vegetables were washed with water before microwave irradiation. A cleaning process for cleaning may be provided, and microwave irradiation with an electromagnetic wave heater may be performed after the cleaning process.

FIG. 1 is a schematic front view of an apparatus for continuously steaming fresh tea leaves used in the method for continuously steaming fresh tea leaves according to an embodiment of the present invention. FIG. 2 is a schematic plan view of FIG. FIG. 3 is a schematic cross-sectional view of the raw tea leaf continuous steaming device of FIG. 1 in use. FIG. 4 is a schematic partially enlarged sectional view showing a part of FIG. 3 in an enlarged manner. FIG. 5 is a schematic right side view of the use state of the continuous steaming device for raw tea leaves of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper conveyance member 2 Lower conveyance member 4 Left side fixing member 5 Right side fixing member 10 Raw tea leaves

Claims (3)

A raw tea leaf is transported with the upper transport member and the lower transport member sandwiched between the upper transport member and the lower transport member, and a left side fixing member is provided on the left side of the raw tea leaf transport direction on both sides of the upper transport member and the lower transport member. Right-side fixing members are respectively located on the upper and lower conveying members, the left-side fixing member, and the right-side fixing member, and are formed of a member that transmits microwaves to the raw tea leaves that are surrounded and conveyed . A method for continuous steaming of raw tea leaves, wherein the raw tea leaves are steamed using the moisture contained in the raw tea leaves by irradiating microwaves through the upper conveying member . The receiving part for receiving raw tea leaves is a plan view, the tip of the lower transport member is ahead of the tip of the upper transport member,
The raw tea leaves that are transported at a substantially constant height H on the lower transport member at the gap height h (H> h) between the lower transport member and the upper transport member are the upper transport member. The method for continuous steaming of raw tea leaves according to claim 1, wherein the raw tea leaves are transported in a state of being sandwiched by the lower transporting member. The raw vegetables are transported in a state of being sandwiched by the upper transport member and the lower transport member, and on both sides of the upper transport member and the lower transport member to be transported, a left side fixing member on the left side in the transport direction of the raw vegetables, and a right side The right-side fixing members are respectively positioned on the upper and lower conveying members, the left-side fixing member, and the right-side fixing member, and are formed of a member that transmits microwaves to the raw vegetables to be conveyed . A method of continuous steaming of raw vegetables, wherein the raw vegetables are steamed by irradiating microwaves through the upper conveying member and utilizing moisture contained in the raw vegetables.

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