Improved tea leaf steam fixation device

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By introducing an internal condensate recovery system into the tea steam fixation device, the problem of condensate accumulation inside the equipment is solved, achieving efficient condensate recovery and full utilization of the tea's aromatic components.

CN223653161UActive Publication Date: 2025-12-12HUNAN MANGSHAN YAOYICHUN TEA CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202422952165.0
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-12-02
Publication Date: 2025-12-12
Estimated Expiration: 2034-12-02

AI Technical Summary

Technical Problem

During the steam blanching process, the condensate accumulates inside the equipment and is difficult to utilize, resulting in resource waste.

Method used

An improved tea steam fixation device was designed, which includes an internal condensate recovery system. The system uses a guide slope and guide channel to guide the condensate droplets to one side, where they are filtered by a filter screen and collected in a concentrated manner. Combined with a steam recovery device, the condensate is effectively recovered.

Benefits of technology

This improves the collection efficiency of condensate, avoids resource waste, and makes full use of the aromatic volatile components of tea leaves carried during the steam fixation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN223653161U_ABST

Patent Text Reader

Abstract

The utility model discloses an improved tea leaf steam fixation device. The improved tea leaf steam fixation device comprises a machine shell, a tea leaf conveying system, a steam conveying system, a steam recovery device and an internal condensate recovery system, the steam recovery device comprises a conical steam exhaust port, a steam exhaust pipe, a condensation system and a condensate collection box; the internal condensate recovery system comprises a flow guide slope, a filter screen and an internal condensate collection port; a certain included angle is formed between the diversion slope and the horizontal plane; the filter screen is arranged at the lower part of the flow guide slope; in the enzyme deactivation process, most of steam is converged into a steam exhaust pipe from a conical steam exhaust port in the top of a machine shell and enters a steam recovery device, a small part of steam is condensed into liquid drops in the machine shell, and the part of condensate is converged by a flow guide slope, filtered by a filter screen and then flows to an internal condensate collection port for subsequent further treatment; internal condensate is rapidly collected, and the collection efficiency is improved.

Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tea processing equipment especially to an improved tea steam fixation device. BACKGROUND

[0002] Fixation is a key process in tea processing, which can inactivate enzymes in tea and prevent browning of tea to affect the sensory quality of tea. Generally, the ways of tea fixation include hot air fixation, steam fixation, microwave fixation and steam-hot air mixed fixation; among them, the steam fixation device is simple and easy to operate, which generally contacts the tea with normal pressure steam to rapidly heat the tea to inactivate the activity of oxidase, so that the fixation process can be completed in a period of time;

[0003] In the steam fixation process, the steam contacted with tea often carries aromatic volatile components of tea. A device can collect the "waste steam" discharged from the fixation device after contacting with tea, but the steam will not be discharged in 100%, and part of the steam will condense into droplets during the process of contacting with tea in the fixation device. The condensed liquid will accumulate in the device and will not be discharged with the steam, which is difficult to be concentrated and utilized. SUMMARY

[0004] In view of the above-mentioned deficiencies of the existing steam fixation device, the utility model provides an improved tea steam fixation device, which can fully collect and utilize the condensed liquid in the fixation process.

[0005] To achieve the above-mentioned purpose, the embodiments of the utility model adopt the following technical solutions:

[0006] An improved tea steam fixation device, comprising a casing, a tea conveying system, a steam conveying system, a steam recovery device and an internal condensed liquid recovery system; the tea conveying system comprises a conveying belt, an inlet and an outlet; the inlet and the outlet are arranged on the casing; the steam conveying system comprises a steam distributor and a steam input pipeline; the steam distributor is arranged below the conveying belt; the steam recovery device comprises a conical steam outlet, a steam discharge pipe, a condensation system and a condensed liquid collection tank; the conical steam outlet is arranged at the top end of the casing and is connected to the inlet end of the condensation system through the steam discharge pipe; the outlet end of the condensation system is connected to the condensed liquid collection tank; the internal condensed liquid recovery system comprises a flow guide slope, a filter screen and an internal condensed liquid collection port; the flow guide slope is at a certain angle with the horizontal plane, and a plurality of flow guide grooves are arranged on the surface of the flow guide slope; the filter screen is arranged at the low part of the flow guide slope; the internal condensed liquid collection port is arranged on the side wall of the casing and communicates with the internal space of the casing, and the vertical position of the internal condensed liquid collection port is lower than that of the filter screen.

[0007] According to one aspect of the utility model, one side of the filter screen abuts against the flow guide slope, and the other end abuts against the inner wall of the casing.

[0008] According to one aspect of the utility model, the internal condensate collection port is provided with a on-off valve.

[0009] According to one aspect of the utility model, the condensing system comprises a condensing pipe and a cooling fan.

[0010] According to one aspect of the utility model, the condensate collection tank side wall is sequentially provided with a breather valve, a high-level valve and a low-level valve from top to bottom.

[0011] According to one aspect of the utility model, the conical steam exhaust port is internally provided with a steam extraction fan.

[0012] According to one aspect of the utility model, the feed inlet is provided with a curtain.

[0013] According to one aspect of the utility model, the bottom of the casing and the bottom of the condensate collection tank are provided with a plurality of universal wheels.

[0014] The utility model has the advantages of the following:

[0015] By arranging the internal condensate recovery system inside the casing, the condensate is guided to one side by the flow guide slope and the flow guide groove, filtered by the filter screen and then collected, and the steam generated during the steam fixation process that carries the aromatic volatile components of tea can be more fully utilized by cooperating with the steam recovery device, so that resource waste is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 The structure diagram of the improved tea steam fixation device is shown in the utility model. Figure 1 ;

[0018] Figure 2 The side surface structure diagram of the casing part in the utility model is shown.

[0019] Figure 3 The partial enlarged view of the part shown in reference numeral I. Figure 2

[0020] Illustration: 1, the shell; 11, universal roller; 21, conveyor belt; 22, feed inlet; 221, shade; 23, discharge port; 31, steam distributor; 32, steam input pipe; 41, conical steam exhaust; 411, steam fan; 42, steam exhaust pipe; 43, condensing system; 431, condensing pipe; 432, cooling fan; 44, condensate collection tank; 441, breather valve; 442, high-level valve; 443, low-level valve; 51, guide slope; 511, guide groove; 52, filter screen; 53, internal condensate collection port; 531, on-off valve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one

[0023] As shown in Figure 1 , Figure 2 and Figure 3 , an improved tea steam fixation device, comprising a shell 1, a tea conveying system, a steam conveying system, a steam recovery device and an internal condensate recovery system; the tea conveying system comprises a conveyor belt 21, a feed inlet 22 and a discharge port 23; the feed inlet 22 and the discharge port 23 are arranged on the shell 1; the steam conveying system comprises a steam distributor 31 and a steam input pipe 32; the steam distributor 31 is arranged below the conveyor belt 21; the steam recovery device comprises a conical steam exhaust 41, a steam exhaust pipe 42, a condensing system 43 and a condensate collection tank 44; the conical steam exhaust 41 is arranged at the top end of the shell 1, which is connected to the inlet end of the condensing system 43 through the steam exhaust pipe 42; the outlet end of the condensing system 43 is connected to the condensate collection tank 44; the internal condensate recovery system comprises a guide slope 51, a filter screen 52 and an internal condensate collection port 53; the guide slope 51 is at an angle with the horizontal plane, and a plurality of guide grooves 511 are arranged on the surface thereof; the filter screen 52 is arranged at the low part of the guide slope 51; the internal condensate collection port 53 is arranged on the side wall of the shell 1 and communicates with the internal space of the shell 1, and the vertical position thereof is lower than that of the filter screen 52;

[0024] The tea leaves are fed into the conveying belt 21 from the feeding port 22, and the hot steam is in full contact with the tea leaves on the conveying belt 21 from the bottom via the steam distributor 31 to complete the fixation and enter the next process through the discharging port 23, wherein most of the steam is collected from the conical steam outlet 41 at the top of the shell 1 into the steam exhaust pipe 42 into the steam recovery device, and a small part is condensed into liquid drops inside the shell 1, and the part of the condensed liquid is collected through the guide slope 51, filtered through the filter screen 52, and flows to the internal condensed liquid collection port 53 for subsequent further processing; further, a plurality of guide grooves 511 are longitudinally arranged on the guide slope 51 for guiding the flow direction of the steam condensed liquid drops inside the shell 1, so as to quickly collect the internal condensed liquid and improve the collection efficiency.

[0025] The condensing system 43 includes a condensing pipe 431 and a heat dissipation fan 432, wherein the condensing pipe 431 is spirally wound to increase the contact area and improve the heat exchange efficiency, and the heat dissipation fan 432 can accelerate the air flow rate and accelerate the steam cooling and condensing speed; the side wall of the condensed liquid collection tank 44 is sequentially provided with a breather valve 441, a high-level valve 442 and a low-level valve 443 from top to bottom, the breather valve 441 can avoid the air pressure balance inside and outside the condensed liquid collection tank 44; the high-level valve 442 is convenient for collecting the tea leaf aroma volatile oil floating on the upper layer of the condensed liquid;

[0026] In actual application, the steam input pipe 32 is connected to an external steam source, and the steam distributor 31 is used to disperse the steam flow to be in full contact with the tea leaves; when collecting the internal condensed liquid, the internal condensed liquid collection port 53 is connected to a collection container through a pipe, which can be a separate container or the condensed liquid collection tank 44 of the steam recovery device.

[0027] The conical steam outlet 41 is internally provided with a steam suction fan 411, which can fully suck the steam inside the shell 1 and accelerate the steam flow rate.

[0028] The feeding port 22 is provided with a curtain 221, which can prevent a large amount of steam from overflowing from the feeding port 22 to improve the collection amount of the steam condensed liquid.

[0029] In order to facilitate the movement of the equipment, a plurality of universal rollers 11 are arranged at the bottom of the shell 1 and the bottom of the condensed liquid collection tank 44.

[0030] Example two

[0031] As Figure 1 , Figure 2 and Figure 3As shown, an improved tea steam fixation device, including a shell 1, a tea conveying system, a steam conveying system, a steam recovery device and an internal condensate recovery system; the tea conveying system includes a conveying belt 21, a feed inlet 22 and a discharge outlet 23; the feed inlet 22 and the discharge outlet 23 are arranged on the shell 1; the steam conveying system includes a steam distributor 31 and a steam input pipe 32; the steam distributor 31 is arranged below the conveying belt 21; the steam recovery device includes a conical steam exhaust port 41, a steam exhaust pipe 42, a condensing system 43 and a condensate collection tank 44; the conical steam exhaust port 41 is arranged at the top end of the shell 1, which is connected to the inlet end of the condensing system 43 through the steam exhaust pipe 42; the outlet end of the condensing system 43 is connected to the condensate collection tank 44; the internal condensate recovery system includes a flow guide slope 51, a filter screen 52 and an internal condensate collection port 53; the flow guide slope 51 is at an angle with the horizontal plane, and its surface is provided with a plurality of flow guide grooves 511; the filter screen 52 is arranged at the lower part of the flow guide slope 51; the internal condensate collection port 53 is arranged on the side wall of the shell 1 and communicates with the internal space of the shell 1, and its vertical position is lower than that of the filter screen 52;

[0032] The tea is fed into the conveying belt 21 from the feed inlet 22, the hot steam is fully contacted with the tea on the conveying belt 21 from the bottom through the steam distributor 31 to complete fixation and enter the next process through the discharge outlet 23, most of the steam flows into the steam exhaust pipe 42 through the conical steam exhaust port 41 at the top of the shell 1 into the steam recovery device, and a small part condenses into liquid droplets inside the shell 1, which is collected through the flow guide slope 51, filtered through the filter screen 52 and flows to the internal condensate collection port 53 for further processing;

[0033] To ensure that the condensate in the shell 1 can be fully filtered, one side of the filter screen 52 abuts against the flow guide slope 51, and the other end abuts against the inner wall of the shell 1, so that the internal condensate can flow downward and collect through the filter screen 52, and tea residues and other solid impurities are filtered out as much as possible.

[0034] The internal condensate collection port 53 is provided with an on-off valve 531, which can be closed when internal condensate is not needed to collect, maintaining the internal sealing state.

[0035] The condensing system 43 comprises a condensing pipe 431 and a heat dissipation fan 432, wherein the condensing pipe 431 is spirally coiled to increase the contact area and improve the heat exchange efficiency, and the heat dissipation fan 432 can accelerate the air flow rate and accelerate the steam cooling condensation speed; the side wall of the condensate collecting tank 44 is sequentially provided with a breather valve 441, a high-level valve 442 and a low-level valve 443 from top to bottom, the breather valve 441 can avoid the air pressure balance between the inside and outside of the condensate collecting tank 44; the high-level valve 442 is convenient for collecting the tea leaf aromatic volatile oil floating in the upper layer of the condensate.

[0036] In actual application, the steam input pipe 32 is connected with an external steam source, and the steam distributor 31 is used for dispersing the steam flow to be in full contact with the tea leaves; when the internal condensate is collected, the internal condensate collecting port 53 is connected to a collecting container through a pipe, and the collecting container can be a separate container or the condensate collecting tank 44 of the steam recovery device.

[0037] The conical steam outlet 41 is internally provided with a steam suction fan 411, which can fully suck the steam in the machine shell 1 and accelerate the steam flow rate.

[0038] The shutter 221 arranged at the feeding port 22 can prevent the steam from overflowing from the feeding port 22 in a large amount, so as to improve the collection amount of the steam condensate.

[0039] In order to facilitate the movement of the equipment, the bottom of the machine shell 1 and the bottom of the condensate collecting tank 44 are provided with a plurality of universal wheels 11.

[0040] The advantages of the embodiment of the utility model are as follows:

[0041] By arranging the internal condensate recovery system in the machine shell, the condensate is guided to one side by the flow guide slope and the flow guide groove and is filtered by the filter screen and then collected, and the steam recovery device can more fully utilize the steam carrying the aromatic volatile components of the tea leaves in the steam fixation process, so as to avoid resource waste.

[0042] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An improved tea steam fixation device, comprising a housing (1), a tea conveying system, and a steam conveying system, characterized in that, It also includes a steam recovery device and an internal condensate recovery system; the tea conveying system includes a conveyor belt (21), an inlet (22) and an outlet (23); the inlet (22) and outlet (23) are located on the casing (1); the steam conveying system includes a steam distributor (31) and a steam input pipe (32); the steam distributor (31) is located below the conveyor belt (21); the steam recovery device includes a conical exhaust port (41), an exhaust pipe (42), a condensation system (43) and a condensate collection tank (44); the conical exhaust port (41) is located at the top of the casing (1), and its passage... The exhaust pipe (42) is connected to the inlet of the condensing system (43); the outlet of the condensing system (43) is connected to the condensate collection tank (44); the internal condensate recovery system includes a guide slope (51), a filter screen (52) and an internal condensate collection port (53); the guide slope (51) is at a certain angle to the horizontal plane, and its surface is provided with a number of guide grooves (511); the filter screen (52) is located at the low point of the guide slope (51); the internal condensate collection port (53) is located on the side wall of the casing (1) and communicates with the internal space of the casing (1), and its vertical position is lower than that of the filter screen (52).

2. The improved tea steam fixation device according to claim 1, characterized in that, One side of the filter screen (52) abuts against the guide slope (51), and the other end abuts against the inner wall of the housing (1).

3. The improved tea steam fixation device according to claim 2, characterized in that, An on / off valve (531) is provided at the internal condensate collection port (53).

4. The improved tea steam fixation device according to claim 1, characterized in that, The condensation system (43) includes a condenser tube (431) and a cooling fan (432).

5. The improved tea steam fixation device according to claim 1, characterized in that, The condensate collection tank (44) has a breather valve (441), a high-level valve (442), and a low-level valve (443) arranged sequentially from top to bottom on its side wall.

6. The improved tea steam fixation device according to claim 1, characterized in that, The conical exhaust port (41) is equipped with an extraction fan (411).

7. The improved tea steam fixation device according to claim 1, characterized in that, A curtain (221) is provided at the feed inlet (22).

8. The improved tea steam fixation device according to claim 1, characterized in that, The bottom of the housing (1) and the bottom of the condensate collection tank (44) are provided with several universal casters (11).