TW202235001A - Tea extraction system and tea extraction method - Google Patents

Abstract

A tea extraction system includes an operation panel, a processing module and a container. The processing module includes a tea storage unit, a grinding unit, a water supply unit and a steeping unit. The operation panel is used to start the tea extraction program. The processing module is connected to the operation panel, and the processing module executes a tea extraction program to obtain a concentrated tea liquid. The container receives the concentrated tea liquid extracted by the processing module. After the operation panel starts the tea extraction program, the tea extraction program executed by the processing module includes the following steps: provide tea raw materials to the grinding unit, grind the tea raw materials to obtain tea powder, and send the tea powder and pre-soaking water to the infusion unit for pre-soaking The procedure is to obtain the first tea liquid, send the extracted tea water to the steeping unit to perform an extraction procedure on the pre-soaked tea powder to obtain the concentrated tea liquid and the tea dregs cake, and to prepare the first tea liquid and the concentrated tea liquid into tea drinks.

Description

Tea extraction system and tea extraction method

The invention relates to a tea extraction technology, in particular to a tea extraction system and a tea extraction method capable of formulating required concentration.

The current tea service in convenience stores is to use the method of general hand-operated tea shops to prepare tea. Specifically, it is to manually feed tea leaves, soak them in water, filter the tea leaves with filter paper, place the obtained tea liquid in a special tea barrel, and then prepare tea drinks by store staff.

However, considering the complicated operation steps of tea extraction, most of the tea liquids are firstly extracted with water and then placed in tea barrels for high-temperature storage, and the tea drinks are prepared after consumers order. During the storage period, the flavor of the tea liquid will change with the storage time, so the quality of the tea drink is not stable, and there is a risk of the tea soup being scrapped.

In view of this, the present invention provides a tea extraction system and tea extraction method, which can set the tea extraction conditions of various tea liquids in advance, and after consumers order the desired tea, they can obtain fresh and high-quality tea by simply operating the tea extraction system. Steady tea. Moreover, the quality of the tea drinks and tea dregs obtained through the tea extraction method is stable, and the tea dregs can be discharged in the form of tea dregs cakes without being blocked in the tea extraction system.

In some embodiments, a tea extraction system includes an operation panel, a processing module, and a container. The processing module includes a tea storage unit, a grinding unit, a water supply unit and a steeping unit. The operation panel is used to start the tea extraction program. The processing module is connected to the operation panel, and the processing module executes a tea extraction program to obtain concentrated tea liquid. The container receives the concentrated tea liquid extracted by the processing module. After the operation panel starts the tea extraction program, the tea extraction program performed by the processing module includes the following steps: provide the tea raw materials stored in the tea storage unit to the grinding unit, use the grinding unit to grind the tea raw materials to obtain tea powder, supply the tea powder and the water supply unit The pre-soaked water is sent to the soaking unit for a pre-soaking process to obtain the first tea liquid, and the first tea liquid is sent to the container, and the extracted tea water provided by the water supply unit is sent to the soaking unit to perform the extraction process on the pre-soaked tea powder. Obtain concentrated tea liquid and tea dregs cake, send the concentrated tea liquid to the container, and mix the first tea liquid and the concentrated tea liquid into tea drinks. Wherein, the temperature of the pre-soaked water is 80°C-95°C; the temperature of the tea-extracted water is 80-95°C; the total water volume of the tea-extracted water and the pre-soaked water is 100 grams to 250 grams and the weight ratio of the tea powder to the total water volume is 1:15~1:30.

In some embodiments, the processing module further includes a slag discharge unit for removing the tea residue cake from the infusion unit.

In some embodiments, the amount of tea powder is 5 grams to 15 grams.

In some embodiments, the particle size of the tea powder is less than 2 mm.

In some embodiments, the amount of the tea powder sent to the steeping unit is 30g-40g per 10 seconds.

In some embodiments, the amount of pre-soaked water is 10 grams to 15 grams.

In some embodiments, the pre-infusion procedure is to infuse the tea powder with pre-infusion water for 5 seconds to 9.9 seconds.

In some embodiments, the amount of extracted tea water is 85g-240g.

In some embodiments, the extraction procedure is to extract the pre-infused tea leaves for up to 2 minutes at an extraction pressure of 6 bar to 8 bar.

In some embodiments, the water content of the tea residue cake is 50%-70%.

In some embodiments, the water supply unit provides reconstituted water to the container when performing the extraction procedure.

In some embodiments, the temperature of the prepared water is 80°C-95°C.

In some embodiments, the amount of prepared water is 0 g-300 g.

In some embodiments, the processing module further includes a blending unit, which sends at least one seasoning liquid to the container for blending with the primary tea liquid and the concentrated tea liquid to form a tea drink.

In some embodiments, the sugar content of the tea drink is 0.2 Brix-1.0 Brix.

In some embodiments, a tea extraction method includes grinding tea raw materials to obtain tea powder, soaking the tea powder with pre-soaked water for 5 seconds to 9.9 seconds to obtain the first tea liquid, extracting and soaking the tea at 6 bar to 8 bar The final tea powder is processed for at most 2 minutes to obtain concentrated tea liquid and tea residue cake, and the concentrated tea liquid and early tea liquid are prepared to obtain tea drink. Wherein, the particle size of the tea powder is less than 2 mm. The amount of tea powder is 5 grams to 15 grams, and the amount of presoaked water is 10 grams to 15 grams. The weight ratio of extracted tea water and tea powder is 1:15~1:30.

To sum up, the tea extraction system and tea extraction method of any embodiment can obtain tea with fast preparation, stable quality and good flavor by setting the tea extraction conditions required in the tea extraction procedure, such as water volume, water temperature, and time. drink. Moreover, in some embodiments, the specific weight ratio of tea extraction water and tea powder can make the tea dregs retain a certain water content after tea extraction to form a tea cake, and can easily eliminate the tea extraction system without causing the tea leaves to stick to the tea extraction system The formation of blockage in the pipeline, thereby avoiding system failure caused by tea blockage, and avoiding the unstable quality of concentrated tea liquid caused by residual tea leaves.

See Figure 1. In some embodiments, the tea extraction system 1 includes an operation panel 100 , a processing module 200 and a container 300 . Wherein, the operation panel 100 is used to start the tea extraction program, and is connected to the processing module 200, so when the operation panel 100 starts the tea extraction program, the processing module 200 executes the tea extraction program to obtain concentrated tea liquid. Next, the container 300 receives the concentrated tea liquid extracted by the processing module 200 .

For example, the operation panel 100 can be a touch panel or a button panel, and the options of different tea beverages are displayed on the panel for the operator to choose according to the needs of consumers. For example, when the operation panel 100 is a touch panel, virtual buttons for various tea beverages are displayed on the panel, and different buttons correspond to parameter values set for different tea extraction conditions (such as the amount of tea powder, the amount of soaking water and soaking time, the amount of tea extraction, etc.) Water volume and tea extraction time, water temperature, extraction pressure value, etc.) to correspond to the production of different types of tea drinks. Based on this, the operation panel 100 can start a corresponding tea extraction process according to the type of the selected tea drink, so as to obtain the concentrated tea liquid of the selected tea drink before blending.

Please refer to Figure 1 and Figure 2. In some embodiments, the processing module 200 includes a tea storage unit 210 , a grinding unit 220 , a water supply unit 230 and a steeping unit 240 . In some embodiments, the processing module 200 further includes a discharge port 900 for connecting the water supply unit 230 and the soaking unit 240 respectively.

The tea storage unit 210 is connected to the grinding unit 220, so that the tea raw material 400 stored in the tea storage unit 210 enters the grinding unit 220 through the first feeding pipe 510, and the tea raw material 400 is ground into tea powder. The grinding unit 220 is connected to the soaking unit 240 so that the ground tea powder enters the soaking unit 240 through the second drop pipe 520 . The water supply unit 230 is connected to the soaking unit 240, which provides pre-soaked water and tea-extracted water with a specific temperature and water volume to the soaking unit 240 according to the water temperature parameters and water volume parameters set by the extraction conditions, for subsequent pre-soaking procedures and extraction procedures.

For example, the number of tea storage units 210 is one or more, which can be based on the tea raw materials of different tea types (such as black tea, green tea, green tea, etc.). In addition, each tea storage unit 210 is connected to a grinding unit 220 . In some embodiments, after the operator selects the tea to be prepared on the operation panel 100, the operation panel 100 will send an instruction to the processing module 200, and the processing module 200 will store the tea according to the received instruction. The tea raw material 400 in the tea storage unit 210 corresponding to the tea type is sent to the grinding unit 220 through the first drop pipe 510 to grind a certain amount of tea raw material 400 into tea powder, wherein the flow direction of the tea raw material 400 is shown by the solid arrow T1 . In some embodiments, the amount of tea raw material 400 delivered to the grinding unit 220 is 5 grams to 15 grams.

The grinding unit 220 is connected to the tea storage unit 210 and the steeping unit 240 , and is used to receive the tea raw material 400 from the tea storage unit 210 , grind the tea raw material 400 into tea powder and send it to the steeping unit 240 . In some embodiments, the amount of tea powder produced by grinding is 5 grams to 15 grams. Furthermore, for example, the grinding unit 220 can be located under the tea storage unit 210, and it can be an accommodating space equipped with a sharpening disc, and can mix tea raw materials 400 of different shapes (such as spherical shape, crushed shape) Grind into tea powder with consistent particle size. In some embodiments, the processing module 200 controls the grinding unit 220 to grind a certain amount of tea raw material 400 to an optimum extraction particle size (hereinafter referred to as particle size) according to the instruction sent by the operation panel 100 . For example, the particle size of tea powder is below 2mm. In some embodiments, after the tea raw material 400 enters the grinding unit 220, the tea raw material 400 is evenly crushed to form tea powder after passing through the grinding disc by gravity. Next, when all the tea raw materials 400 are ground into tea powder, the tea powder is sent to the soaking unit 240 through the second drop pipe 520, wherein the flow direction of the tea powder is shown by the solid arrow T2. For example, the amount of tea powder sent to the steeping unit 240 is 30g-40g per 10 seconds.

The water supply unit 230 is connected to the soaking unit 240 . For example, the water supply unit 230 may be a boiler, which is used to heat the water stored in the boiler, and store the heated hot water. Moreover, the water supply unit 230 is connected to the soaking unit 240 through the first drain pipe 610 , and is connected to the discharge port 900 through the second drain pipe 620 . In some embodiments, the processing module 200 controls the water supply unit 230 to heat the water stored therein according to the instruction sent by the operation panel 100, and passes the heated water (hereinafter referred to as pre-soaked water or extracted water) through the first drain pipe 610. Tea water) is sent to the soaking unit 240, wherein the flow direction of the pre-soaked water or the extracted tea water is shown by the solid arrow W1. In some embodiments, the processing module 200 can further control the water supply unit 230 to send the heated water (hereinafter referred to as prepared water) to the container through the second drain pipe 620 through the outlet 900 according to the instruction sent by the operation panel 100 300 for the preparation of tea. Wherein, the flow direction of the prepared water is shown by the solid arrow W2. For example, the water supply unit 230 can provide hot water with a water temperature of 80°C-95°C. The water supply unit 230 can provide 10-15 grams of pre-soaked water, 85-240 grams of tea extraction water, and 0-300 grams of blended water according to the parameter values set for different tea drinks. In some embodiments, the total water content of the tea extraction water and the pre-soaked water is 100 grams to 250 grams.

Please refer to Figure 2 again. The soaking unit 240 is connected to the grinding unit 220 and the water supply unit 230 . For example, the soaking unit 240 is a soaking tank 241 including a pressurizer 242 , a material inlet 243 , a water inlet 245 , a water outlet 247 and a slag outlet 249 . Wherein, the feeding port 243 of the soaking unit 240 is connected with the second drop pipe 520 for receiving the tea powder provided by the grinding unit 220 . The water inlet 245 of the soaking unit 240 is connected to the first drain pipe 610 to receive the hot water (ie, pre-soaked water or extracted tea water) provided by the water supply unit 230 . The water outlet 247 of the soaking unit 240 is connected to the third drain pipe 630, and the third drain pipe 630 is connected to the discharge port 900 for sending the first tea liquid obtained through the pre-soaking process and the concentrated tea liquid obtained through the extraction process to the container 300, where the flow direction of the primary tea liquid or the concentrated tea liquid is shown by the solid arrow TW. In some embodiments, the pressurizer 242 of the soaking unit 240 is a piston, and the extrusion of the piston can form a high-pressure water flow in the tea extraction water in the soaking unit 240, thereby providing an extraction pressure for the extraction process, thereby promoting the extraction process of the soaking unit 240. The tea powder inside releases flavor substances. For example, the extraction pressure is 6 bar - 8 bar.

In some embodiments, after the tea powder is sent to the soaking unit 240, the water supply unit 230 provides 10 grams to 15 grams of pre-soaked water at 80° C. to 95° C. to the soaking unit 240 to perform a pre-soaking procedure on the tea powder, and Get the first tea liquid. Here, the pre-soaking procedure is to soak the tea powder with pre-soaked water for 5 seconds to 9.9 seconds. Moreover, after the obtained first tea liquid flows directly to the discharge port 900 through the third drain pipe 630 , the first tea liquid can be sent to the container 300 placed at the discharge port 900 .

In some embodiments, after the initial tea liquid is sent to the container 300, the water supply unit 230 then provides 85 grams to 240 grams of tea extraction water at 80°C to 95°C to the steeping unit 240 to extract the pre-soaked tea powder. , and get concentrated tea liquid and tea dregs cake. Here, the extraction procedure is to extract the pre-soaked tea powder for at most 2 minutes at an extraction pressure of 6 bar-8 bar. And, after the obtained concentrated tea liquid flows to the discharge port 900 through the third drain pipe 630, the concentrated tea liquid can be sent to the container 300 placed at the discharge port 900, and the remaining tea powder forms a tea dregs cake and The soaking unit 240 is discharged via the slagging outlet 249 . In addition, the time error between the step of "delivering the first tea liquid to the container 300" and the step of "supplying the extracted tea water from the water supply unit 230" is 0 seconds to 1 second. In other words, after the initial tea liquid is discharged from the soaking unit 240 , the extracted tea water then enters the soaking unit 240 .

In some embodiments, the processing module 200 can simultaneously control the water supply unit 230 to provide the tea extraction water to the infusion unit 240 and to provide the brewed water to the container 300 . In some embodiments, the processing module 200 can first control the water supply unit 230 to provide tea extraction water to the soaking unit 240, and then control the water supply unit 230 to provide the brewed water to the outlet 900 during the extraction process, and then make the brewed water Delivered to the container 300 placed at the outlet 900. Based on this, the time for preparing tea drinks can be reduced and the production of tea drinks can be accelerated.

In some embodiments, the container 300 is a paper cup, a plastic cup or other containers that can hold liquid. For example, the container 300 can be a 700ml beverage paper cup, or a 500ml beverage paper cup. In some embodiments, the container 300 is placed under the outlet 900 for receiving liquids for preparing tea, such as early tea liquid, concentrated tea liquid, blended water, and the like.

In some embodiments, the processing module 200 further includes a slag discharge unit 700, the slag discharge unit 700 is connected to the soaking unit 240, and is used to discharge the tea residue cake obtained after the extraction process from the soaking unit 240 through the slag discharge port 249 of the soaking unit 240. 240 excluded. For example, the slag discharge unit 700 is a pushing device and is disposed in the soaking unit 240 . When the extraction process is over, the processing module 200 controls the slag discharge port 249 to open, and controls the slag discharge unit 700 to move to push the tea dregs cake in the soaking unit 240 to the slag discharge port 249, so that the tea residue cake can pass through the slag discharge port. 249 and drop into the slag discharge box (not shown) below the soaking unit 240. In some embodiments, since the weight ratio of tea powder to total water is 1:15~1:30, the water content of the obtained tea dregs is maintained at 50%-70%, so a tea dregs cake is formed and discharged in the soaking unit 240 . Based on this, it is possible to prevent the tea powder from absorbing water, swelling and sticking to the soaking unit 240, resulting in failure to discharge the slag smoothly, and avoiding the failure caused by the tea powder sticking to the soaking unit 240 or the pipeline (such as the third drain 630) being blocked. , and avoid residual tea powder from affecting the flavor of subsequent tea drinks.

In some embodiments, the processing module 200 further includes a blending unit 800 for sending at least one seasoning liquid to the container 300 for blending with the primary tea liquid and the concentrated tea liquid to form a tea drink. Moreover, the blending unit 800 is connected to the discharge port 900 through the fourth drain pipe 640 . For example, at least one seasoning liquid, such as milk, original syrup, fruit flavored syrup (such as lemon flavored syrup, etc.), can be placed in the preparation unit to prepare tea, milk tea or fruit tea with different sweetness. Moreover, different seasoning liquids in the blending unit each have a corresponding fourth drain pipe 640 to avoid mixing of seasoning liquids with different flavors. Wherein, the flow direction of the seasoning liquid is shown by the solid arrow M. In some embodiments, after the initial tea liquid, concentrated tea liquid, blended water and flavoring liquid are blended into tea drinks, the sugar content of the obtained tea drinks is 0.2 Brix-1.0 Brix.

In addition, in addition to preparing the first tea liquid and concentrated tea liquid with seasoning liquid and blended water, additional materials such as ice cubes and frozen pearls can be added to the container 300 to prepare iced pure tea drinks or added tea drinks (such as bubble tea).

See Figure 3. In some embodiments, a tea extraction method includes grinding tea raw material 400 to obtain tea powder (step S100), soaking tea powder with pre-soaked water for 5 seconds to 9.9 seconds to obtain primary tea liquid (step S200), and extracting tea water in Extracting the soaked tea powder at 6 bar to 8 bar for at most 2 minutes to obtain concentrated tea liquid and tea residue cake (step S300 ), and blending the concentrated tea liquid and primary tea liquid to obtain tea drink (step S400 ).

See Figures 1 through 3. In some examples, after the operation panel 100 starts the tea extraction program, the tea extraction program executed by the processing module 200 includes the following steps:

First provide 400 tea raw materials. In other words, it refers to providing the tea raw material 400 stored in the tea storage unit 210 to the grinding unit 220 . Here, the processing module 200 takes 5 grams to 15 grams of the tea raw material 400 stored in the tea storage unit 210 corresponding to the tea type according to the instructions generated by the operator's selected tea type on the operation panel 100, and passes through the first The drop tube 510 is sent to the grinding unit 220 .

Next, the processing module 200 controls the grinding unit 220 to grind the tea raw material 400 to obtain tea powder (ie step S100 ). After the tea raw material 400 passes through the grinding disc of the grinding unit 220, it is evenly crushed into tea powder with a particle size of less than 2 mm. Moreover, when the tea powder is produced, it is sent to the soaking unit 240 through the second drop pipe 520 . Here, the amount of ground tea powder is 5 grams to 15 grams.

When the tea powder is sent to the soaking unit 240, the processing module 200 controls the water supply unit 230 to provide 10g-15g of pre-soaked water at 80°C-95°C to the soaking unit 240 through the first drain pipe 610, and controls the soaking unit 240 Carry out the pre-soaking procedure. After the pre-soaking procedure is started, the tea powder is soaked in the pre-soaked water for 5 seconds to 9.9 seconds to obtain the initial tea liquid (ie step S200 ). Here, the pre-soaking procedure simulates the traditional way of making tea, in which the tea powder is infiltrated with a small amount of pre-soaked water to facilitate the subsequent extraction process.

The obtained first tea liquid flows through the third drain pipe 630 to the discharge port 900, and the first tea liquid is sent to the container 300 placed at the discharge port 900 for subsequent tea preparation.

Next, after the initial tea liquid is sent to the container 300, the processing module 200 controls the water supply unit 230 to provide 85g-240g of tea extraction water at 80°C-95°C to the soaking unit 240 through the first drain pipe 610, and controls the soaking unit 240 Carry out the extraction procedure. When the extraction process is started, the piston of the soaking unit 240 starts to move to make the tea extraction water form a high-pressure water flow, thereby providing an extraction pressure of 6 bar to 8 bar. In addition, extract the soaked tea powder at 6-8 bar with the extracted tea water for at most 2 minutes to obtain concentrated tea liquid and tea dregs cake (that is, step S300 ). Next, the obtained concentrated tea liquid flows through the third drain pipe 630 to the discharge port 900, and the concentrated tea liquid is sent to the container 300 placed at the discharge port 900, and the formed tea residue cake is passed through the discharge port 900. The slag unit 700 exits the soaking unit 240 through the slag discharge port 249 and is received by the slag discharge box. Here, the water content of the tea dregs cake is 50%-70%, so it will not remain in the soaking unit 240 or the third drain pipe 630, affecting the flavor of other tea drinks or causing system failure.

Moreover, during the extraction process, the processing module 200 will control the water supply unit 230 to provide 0g-300g and 80°C-95°C prepared water to the container 300 through the second drain pipe 620 according to the instructions, and/or control the prepared unit 800 provides the seasoning liquid to the container 300 through the fourth drain pipe 640 , and then mixes the concentrated tea liquid and the first tea liquid to obtain tea drinks (that is, step S400 ). For example, when fresh milk tea and the required sugar content are selected on the operation panel 100, the processing module 200 will control the tea storage unit 210 for storing black tea to provide a certain amount of black tea tea raw materials, and the grinding unit 220 will grind the tea leaves of black tea. The raw materials are ground into tea powder of black tea, and then the tea powder of black tea is pre-soaked and extracted in the soaking unit 240 . Moreover, during the extraction process of the tea powder of black tea, the water supply unit 230 will not provide blended water (that is, provide 0 grams of blended water), but the blending unit 800 will provide fresh milk and original syrup to the container 300 and the first tea liquid first Blend, and after the extraction process, further mix with the concentrated tea liquid of black tea and form fresh milk tea.

In one example, a consumer chooses to purchase black tea. Store personnel select black tea on the operation panel 100 of the tea extraction system 1 . The operation panel 100 will transmit the instruction of the tea extraction program to the processing module 200 according to the options, and then start the tea extraction program. The processing module 200 controls the tea storage unit 210 that stores black tea to take out 9 grams of black tea tea raw material 400 to the grinding unit 220 for grinding to obtain black tea tea powder, and grinds the black tea tea powder at a rate of 38 grams per 10 seconds. The tea powder of good black tea is sent to the steeping unit 240 . Next, the water supply unit 230 provides 15 grams of 92° C. pre-soaked water to the soaking unit 240, and the processing module 200 controls the soaking unit 240 to soak the tea powder of the black tea with this pre-soaked water for 9.9 seconds to obtain the first tea liquid of the black tea. This early tea liquid is delivered to the cup container 300. Next, the water supply unit 230 provides 145 grams of extracted tea water at 92°C to the soaking unit 240, and the processing module 200 controls the soaking unit 240 to extract the tea powder of the black tea after soaking at 7 bar for 35 seconds to obtain black tea. Concentrated tea liquid and tea residue cake. And during the extraction period of at most 2 minutes, the water supply unit 230 provides 250 grams of 92° C. reconstituted water to the cup container 300 to mix with the primary liquid of black tea. After the extraction, the concentrated liquid of black tea will be sent to the cup container 300 to be mixed with the blended water and the initial liquid of black tea to form 410 grams of black tea drink. Here, the total production time of the black tea drink is 65 seconds. The total water content of the pre-soaked water and the extracted tea water is 160 grams, the ratio of the black tea tea powder to the total water volume is 9:160 (ie, 1:17.8), and the water content of the black tea tea dregs cake is 65%.

In another example, a consumer chooses to purchase green tea. Store staff select green tea on the operation panel 100 of the tea extraction system 1 . The operation panel 100 will transmit the instruction of the tea extraction program to the processing module 200 according to the options, and then start the tea extraction program. The processing module 200 controls the tea storage unit 210 that stores green tea to take out 9.5 grams of green tea tea raw material 400 to the grinding unit 220 for grinding to obtain green tea powder, and the falling rate of the green tea powder is 39 grams per 10 seconds. Quantity The tea powder of the ground green tea is sent to the steeping unit 240 . Next, the water supply unit 230 provides 15 grams of pre-soaked water at 92°C to the soaking unit 240, and the processing module 200 controls the soaking unit 240 to soak the tea powder of green tea with the pre-soaked water for 5 seconds to obtain the first tea liquid of green tea. And this early tea liquid is delivered to cup container 300. Next, the water supply unit 230 provides 215 grams of extracted tea water at 92°C to the soaking unit 240, and the processing module 200 controls the soaking unit 240 to extract the tea powder of the soaked green tea at 7 bar for 40 seconds to obtain green tea. Concentrated tea liquid and tea residue cake of tea. And during the extraction period of at most 2 minutes, the water supply unit 230 provides 180 grams of 92° C. reconstituted water to the cup container 300 to mix with the first tea liquid of green tea. After the extraction is completed, the concentrated tea liquid of the green tea will be sent to the cup container 300 to be mixed with the blended water and the first tea liquid of the green tea to form a 410 g green tea drink. Here, the total production time of the green tea drink is 65 seconds. The total water volume of the pre-soaked water and the extracted tea water is 230 grams, the ratio of the tea powder to the total water volume of the green tea is 9.5:230 (ie, 1:24.2), and the water content of the tea residue cake of the green tea is 60%.

It can be seen from this that the production time of the tea drink is 60 seconds to 70 seconds. In other words, through the tea extraction system and tea extraction method, the production time of tea drinks can be accelerated, and the waiting time of consumers can be reduced without causing consumers to be impatient. Moreover, using the operation panel 100 to start the tea extraction program with one key operation can simplify the operation steps of the operator, and has the function of saving time and effort. Furthermore, when the water content of the tea dregs is 50%-70%, it will form a cake-like appearance (ie, tea dregs cake), which can prevent the stretched tea fragments from sticking to the infusion unit 240 and/or the pipeline, thereby preventing the system from Malfunction or residual aftertaste will affect the flavor of other tea drinks.

To sum up the above, some embodiments of the present invention provide a tea extraction system and tea extraction method, which is to obtain fast preparation, stable quality and A well-flavored tea. Moreover, by adjusting the total amount of tea powder and tea extraction water, the tea dregs after tea extraction can maintain a specific water content to form a tea dregs cake, so it can provide a simple and clean, non-sticky tea dregs, prevent tea dregs from clogging and tea Tea extraction technology with stable drinking flavor.

Although the technical content of the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any modification and modification made by those skilled in the art without departing from the spirit of the present invention should be covered by the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.

1: tea extraction system 100: Operation panel 200: processing module 210: tea storage unit 220: grinding unit 230: water supply unit 240: soaking unit 241: soaking tank 242: Pressurizer 243: feed port 245: water inlet 247: water outlet 249: Slag outlet 300: container 400: tea raw materials 510: the first blanking tube 520: Second drop tube 610: First Drainpipe 620: Second drain pipe 630: The third drainage pipe 640: Fourth drain pipe 700: Slagging unit 800: deployment unit 900: Outlet T1,T2,W1,W2,TW,M: Arrows S100-S400: Process

Fig. 1 is the schematic diagram of extracting tea system; 2 is a schematic diagram of a processing module; Fig. 3 is a schematic flow chart of the tea extraction method.

1: tea extraction system

100: Operation panel

200: processing module

210: tea storage unit

220: grinding unit

230: water supply unit

240: soaking unit

300: container

Claims (18)

A tea extraction system, comprising: an operation panel for starting a tea extraction procedure; A processing module connected to the operation panel, the processing module includes a tea storage unit, a grinding unit, a water supply unit and a steeping unit, the processing module executes the tea extraction procedure to obtain a concentrated tea liquid; and a container for receiving the concentrated tea liquid extracted by the processing module; After the operation panel starts the tea extraction program, the tea extraction program executed by the processing module includes the following steps: providing a tea raw material stored in the tea storage unit to the grinding unit; Grinding the tea raw material with the grinding unit to obtain a tea powder; The tea powder and a pre-soaked water provided by the water supply unit are sent to the soaking unit for a pre-soaked procedure to obtain a first tea liquid, and the first tea liquid is sent to the container, wherein the temperature of the pre-soaked water 80°C-95°C; Send the extracted tea water provided by the water supply unit to the steeping unit to perform an extraction process on the pre-soaked tea powder to obtain the concentrated tea liquid and a tea residue cake, and send the concentrated tea liquid to the container, wherein The temperature of the tea extraction water is 80°C-95°C, the total water volume of the tea extraction water and the pre-soaked water is 100g-250g, and the weight ratio of the tea powder to the total water volume is 1:15-1:30 ;as well as Blending the primary tea liquid and the concentrated tea liquid into a tea drink. The tea extraction system as described in claim 1, wherein the processing module further includes a slag discharge unit for removing the tea slag cake from the steeping unit. The tea extraction system as described in Claim 1, wherein the amount of the tea powder is 5 grams to 15 grams. The tea extraction system according to claim 1, wherein the particle size of the tea powder is less than 2 mm. The tea extraction system according to claim 4, wherein the amount of the tea powder sent to the steeping unit is 30g-40g per 10 seconds. The tea extraction system according to claim 1, wherein the amount of the pre-soaked water is 10g-15g. The tea extraction system according to claim 6, wherein the pre-soaking procedure is to soak the tea powder with the pre-soaked water for 5 seconds to 9.9 seconds. The tea extraction system as described in Claim 1, wherein the amount of the tea extraction water is 85g-240g. The tea extraction system according to claim 1, wherein the extraction procedure is to extract the pre-soaked tea powder for at most 2 minutes at an extraction pressure of 6 bar to 8 bar. The tea extraction system as described in Claim 1, wherein the water content of the tea residue cake is 50%-70%. The tea extraction system as claimed in claim 1, wherein the water supply unit supplies a prepared water to the container when the extraction procedure is performed. The tea extraction system according to claim 11, wherein the temperature of the prepared water is 80°C-95°C. The tea extraction system according to claim 11, wherein the amount of the prepared water is 0 g-300 g. According to the tea extraction system described in claim 1, the processing module further includes a blending unit, which sends at least one seasoning liquid to the container for blending with the first tea liquid and the concentrated tea liquid to form the tea drink. The tea extraction system according to any one of claims 1, 11 or 14, wherein the sugar content of the tea drink is 0.2 Brix-1.0 Brix. A method for extracting tea, comprising: Grinding a tea raw material to obtain a tea powder, wherein the particle size of the tea powder is less than 2 mm; Soak the tea powder in a pre-soaked water for 5 seconds to 9.9 seconds to obtain a first tea liquid, wherein the amount of the tea powder is 5 grams to 15 grams, and the amount of the pre-soaked water is 10 grams to 15 grams; Extract the soaked tea powder with a tea extract at 6 bar to 8 bar for at most 2 minutes to obtain a concentrated tea liquid and a tea residue cake, wherein the weight ratio of the tea extract to the tea powder is 1:15~ 1:30; and Blending the concentrated tea liquid and the first tea liquid to obtain a tea drink. The method for extracting tea according to claim 16, wherein the amount of the tea extracting water is 85g-240g. The method for extracting tea according to claim 16, wherein the water content of the tea dregs cake is 50%-70%.

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