Impurity filtering device for dark tea theabrownin extraction

Abstract

The utility model relates to the field of tea processing equipment, and discloses an impurity filtering device for dark tea theabrownin extraction, which comprises a microfiltration mechanism, a filtering mechanism and a filtering mechanism, the ultrafiltration mechanism is arranged on one side of the microfiltration mechanism and connected with the microfiltration mechanism through a pipeline, and the ultrafiltration mechanism is used for further filtering the filtrate subjected to microfiltration. According to the theabrownin filtering device, the microfiltration mechanism and the ultrafiltration mechanism are combined, large particles can be effectively prevented from passing through, fine suspended solids, microorganisms and macromolecular substances can be efficiently intercepted, the filtering precision is remarkably improved, the high purity of a theabrownin extracting solution is ensured, and through the arrangement of the two microfiltration filter elements and the two ultrafiltration filter elements, the theabrownin extracting solution can be effectively purified. The single filter element is convenient to clean or replace, continuity and stability of the filtering process are guaranteed, the flowing speed of liquid can be monitored in real time, and filter element blockage or abnormal flow conditions can be found in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea processing equipment field especially relates to a kind of impurity filtering devices for black tea thebromine extraction. BACKGROUND

[0002] Impurity filtration in the extraction process of black tea thebromine is a key step, aiming at removing insoluble solids, suspended solids, microorganisms and other impurities in the extract to improve the purity and quality of thebromine.

[0003] Search the public number CN216366946U and disclose a kind of impurity filtering devices for black tea thebromine extraction, by being provided with filter screen one, filter screen two and filter screen three in the inside of rectangular box, and using feed inlet and hopper to facilitate to inject black tea thebromine extract into the inside of rectangular box, and using filter screen one, filter screen two and filter screen three sequentially to filter black tea thebromine extract.

[0004] The existing filtering device can only block the passage of larger particles by the size of filter screen aperture, and lacks effective interception capacity for fine suspended solids, microorganisms and macromolecular substances (such as proteins, polysaccharides, etc.), and the filtering device also has obvious deficiencies in monitoring the saturation state of the filtering structure. Due to the lack of real-time and effective monitoring means, the operator often cannot accurately determine when the filtering structure reaches the saturation state, making it difficult to replace in time. UTILITY MODEL CONTENT

[0005] To solve the above-mentioned problems, the utility model is realized by the following technical solutions:

[0006] An impurity filtering device for black tea thebromine extraction, comprising: a microfiltration mechanism for preliminary filtering of the extract; an ultrafiltration mechanism arranged on one side of the microfiltration mechanism and connected to the microfiltration mechanism through a pipeline, the ultrafiltration mechanism being used for further filtering the filtrate after microfiltration; the microfiltration mechanism comprising two microfiltration cartridges and a first valve connected between the water inlets of the two microfiltration cartridges, the first valve being used for switching the conveying direction of the extract to convey the extract into the water inlet of one of the microfiltration cartridges; the ultrafiltration mechanism comprising two ultrafiltration cartridges and a second valve connected between the water inlets of the two ultrafiltration cartridges, the second valve being used for switching the conveying direction of the filtrate after microfiltration to convey the filtrate into the water inlet of one of the ultrafiltration cartridges.

[0007] The microfiltration mechanism further comprises: two first water inlets, one end of each being connected to the water inlet of one of the microfiltration cartridges, and the other end of each being connected to one of the two ports of the first valve.

[0008] The microfiltration cartridge comprises: a first water outlet installed on the water outlet of the microfiltration cartridge; and a first flow sensor installed on the first water outlet.

[0009] The ultrafiltration mechanism further comprises two second water inlet pipes, one end of each of which is connected to the water inlet of each of the two ultrafiltration filter cartridges, and the other end of each of which is connected to two ports of a second valve, and the first water outlet pipe is connected to the second water inlet pipes through the second valve.

[0010] The ultrafiltration filter cartridge comprises a second water outlet pipe installed at the water outlet of the ultrafiltration filter cartridge, and a second flow sensor installed at the second water outlet pipe.

[0011] The device further comprises a conveying pipe, one end of which is in communication with the first water outlet pipe and the other end of which is connected to the second valve, and the conveying pipe is used for conveying the filtrate after microfiltration.

[0012] The device further comprises a liquid inlet pipe installed at the first valve and used for conveying the extraction liquid to the microfiltration mechanism, and a liquid outlet pipe installed at the second water outlet pipe and used for discharging the filtrate after ultrafiltration.

[0013] The first valve is a three-way valve, and the first valve is connected to the two first water inlet pipes through flanges.

[0014] The second valve is a three-way valve, and the second valve is connected to the two second water inlet pipes through flanges.

[0015] The first flow sensor is configured to detect the flow rate of the liquid when the liquid flows in the first water outlet pipe, and the second flow sensor is configured to detect the flow rate of the liquid when the liquid flows in the second water outlet pipe.

[0016] The utility model provides a kind of impurity filtering device for black tea thebromine extraction.Compared with prior art, it has the following beneficial effects:

[0017] 1, by combining microfiltration mechanism and ultrafiltration mechanism, not only can effectively block the passage of larger particles, but also can efficiently intercept small suspended solids, microorganisms and macromolecular substances, significantly improve the filtering precision, ensure the high purity of thebromine extraction liquid.

[0018] 2, by setting two microfiltration filter cartridges and two ultrafiltration filter cartridges, and using three-way valve design, the extraction liquid and the filtrate are alternately filtered, the filtering efficiency is effectively improved, and the design is also convenient for cleaning or replacing individual filter cartridges, ensuring the continuity and stability of the filtration process.

[0019] 3, by installing flow sensors at the water outlets of the microfiltration filter cartridges and the ultrafiltration filter cartridges, the flow rate of the liquid can be monitored in real time, which helps to timely detect filter cartridge blockage or abnormal flow conditions, providing real-time and effective monitoring means for operators, so that they can accurately judge the saturation state of the filtration structure and replace it in time. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1The three-dimensional structure schematic diagram provided by the utility model.

[0021] Figure 2 The microfiltration mechanism structure schematic diagram provided by the utility model.

[0022] Figure 3 The ultrafiltration mechanism structure schematic diagram provided by the utility model.

[0023] Figure 4 The first water inlet pipe, the first valve and the liquid inlet pipe structure schematic diagram provided by the utility model.

[0024] The reference signs in the drawings are as follows:

[0025] 1, microfiltration mechanism; 101, microfiltration filter core; 102, first water inlet pipe; 103, first valve; 104, first water outlet pipe; 105, first flow sensor;

[0026] 2, ultrafiltration mechanism; 201, ultrafiltration filter core; 202, second water inlet pipe; 203, second valve; 204, second water outlet pipe; 205, second flow sensor;

[0027] 3, liquid inlet pipe;

[0028] 4, conveying pipe;

[0029] 5, liquid outlet pipe. DETAILED DESCRIPTION

[0030] The utility model will be further described below in combination with specific embodiments, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the protection scope of the utility model.

[0031] The embodiments of the utility model will be described below through specific examples, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through other different specific embodiments, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

[0032] Reference Figures 1-4The utility model provides a kind of black tea theophanin extraction with impurity filtering device, comprising: microfiltration mechanism 1, for preliminary filtration to extract liquid;Ultrafiltration mechanism 2 is arranged in one side of microfiltration mechanism 1, and is connected with microfiltration mechanism 1 by pipeline, and ultrafiltration mechanism 2 is used to further filter filtrate after microfiltration;Microfiltration mechanism 1 includes two microfiltration filter cartridges 101 and first valve 103, and first valve 103 is connected between the water inlet of two microfiltration filter cartridges 101, and first valve 103 is used to switch the delivery direction of extract liquid, to deliver extract liquid to the water inlet of one of microfiltration filter cartridges 101, by being provided with two microfiltration filter cartridges 101, and being configured first valve 103 between water inlet, realize the alternate filtration of extract liquid, effectively improve the filtering efficiency, while facilitating the cleaning or replacement of single filter core, ensure the continuity and stability of filtration process, adopt three-way valve design, can flexibly switch the flow direction of extract liquid, ensure that only one microfiltration filter cartridge 101 is in working condition at any time, optimize resource utilization, and facilitate maintenance and management;Ultrafiltration mechanism 2 includes two ultrafiltration filter cartridges 201 and second valve 203, and second valve 203 is connected between the water inlet of two ultrafiltration filter cartridges 201, and second valve 203 is used to switch the delivery direction of filtrate after microfiltration, to deliver filtrate to the water inlet of one of ultrafiltration filter cartridges 201, after microfiltration, two ultrafiltration filter cartridges 201 are provided, to further refine filtration process, remove smaller particle size impurities, improve the purity of filtrate, meet the demand of high-quality black tea theophanin extraction, realize the alternate filtration of extract liquid, effectively improve the filtering efficiency, while facilitating the cleaning or replacement of single filter core, ensure the continuity and stability of filtration process, similar to microfiltration mechanism 1, the design of second valve 203 allows the flow direction of filtrate to be flexibly switched, realizes the alternate use of two ultrafiltration filter cartridges 201, enhances the reliability and flexibility of system.

[0033] Microfiltration mechanism 1 further includes: two first water inlets 102, one end is connected on the water inlet of two microfiltration filter cartridges 101 respectively, the other end is connected on two ports of first valve 103 respectively, first valve 103 is three-way valve, and first valve 103 is connected with two first water inlets 102 through flange;Microfiltration filter cartridge 101 includes: first water outlet 104, is installed on the water outlet of microfiltration filter cartridge 101;First flow sensor 105 is installed on first water outlet 104, and first flow sensor 105 is arranged to detect the flow velocity of liquid when there is liquid flow in first water outlet 104, to help find filter core blockage or flow anomaly in time, guarantee filtration effect and equipment operation safety.

[0034] The ultrafiltration mechanism 2 further comprises two second water inlet pipes 202, one end of each of which is connected to the water inlet of the two ultrafiltration filter cartridges 201 respectively, and the other end of each of which is connected to two ports of a second valve 203, the second valve 203 being a three-way valve, the second valve 203 and the two second water inlet pipes 202 being connected through flanges, and the first water outlet pipe 104 being connected to the second water inlet pipe 202 through the second valve 203; the ultrafiltration filter cartridge 201 comprises a second water outlet pipe 204 installed on the water outlet of the ultrafiltration filter cartridge 201, and a second flow sensor 205 installed on the second water outlet pipe 204, the second flow sensor 205 being configured to detect the flow speed of the liquid when the liquid flows in the second water outlet pipe 204, which helps to find the filter cartridge blockage or flow abnormality in time, and ensures the filtration effect and equipment operation safety.

[0035] The conveying pipe 4 is in communication with the first water outlet pipe 104 at one end and is connected to the second valve 203 at the other end, the conveying pipe 4 being used for conveying the filtrate after microfiltration, the conveying pipe 4 serving as a key component for connecting the microfiltration mechanism 1 and the ultrafiltration mechanism 2, which ensures that the filtrate after microfiltration can be smoothly conveyed to the ultrafiltration mechanism 2 for further processing, and improves the continuity and efficiency of the whole filtration process; the liquid inlet pipe 3 is installed on the first valve 103 and is used for conveying the extraction liquid to the microfiltration mechanism 1, the liquid inlet pipe 3 facilitating the direct introduction of the extraction liquid into the microfiltration mechanism 1, simplifying the operation process, reducing potential leakage points, and improving the sealing and safety of the system; the liquid outlet pipe 5 is installed on the second water outlet pipe 204 and is used for discharging the filtrate after ultrafiltration, the liquid outlet pipe 5 ensuring the quality and collection efficiency of the final product, and facilitating subsequent processing or storage operations.

[0036] In use, the black tea thetanin extract liquid to be treated is introduced into the microfiltration mechanism 1 through the liquid inlet pipe 3, the liquid inlet pipe 3 is directly connected to the first valve 103, so as to quickly and directly deliver the extract liquid to the microfiltration mechanism 1, the first valve 103 switches the flow direction of the extract liquid according to the preset program or manual operation, so that the extract liquid enters one of the microfiltration filter cartridges 101, and the other microfiltration filter cartridge 101 is in standby or cleaning / replacement state, the extract liquid is preliminarily filtered in the microfiltration filter cartridge 101 to remove impurities of larger particle size, the filtered filtrate flows out of the microfiltration filter cartridge 101 through the first water outlet pipe 104 and flows to the delivery pipe 4, the first flow sensor 105 monitors the flow speed of the liquid in the first water outlet pipe 104 in real time, so as to ensure the stability and efficiency of the microfiltration process. If the flow is found to be abnormal, measures can be taken in time to handle it, one end of the delivery pipe 4 is communicated with the first water outlet pipe 104, and the other end is connected to the second valve 203, the filtrate after microfiltration is smoothly delivered to the ultrafiltration mechanism 2 through the delivery pipe 4, the second valve 203 switches the flow direction of the filtrate according to the preset program or manual operation, so that the filtrate enters one of the ultrafiltration filter cartridges 201, and the other ultrafiltration filter cartridge 201 is in standby or cleaning / replacement state, the filtrate is further filtered in the ultrafiltration filter cartridge 201 to remove impurities of smaller particle size, so as to improve the purity of the filtrate, the filtered high-purity filtrate flows out of the ultrafiltration filter cartridge 201 through the second water outlet pipe 204, the second flow sensor 205 monitors the flow speed of the liquid in the second water outlet pipe 204 in real time, so as to ensure the stability and efficiency of the ultrafiltration process, if the flow is found to be abnormal, measures can be taken in time to handle it, the high-purity filtrate after ultrafiltration treatment is discharged from the device through the liquid outlet pipe 5 and enters the subsequent processing or storage link.

[0037] Compared with the prior art, the present application has the following beneficial effects:

[0038] By combining the microfiltration mechanism 1 and the ultrafiltration mechanism 2, not only can larger particles be effectively blocked, but also small suspended particles, microorganisms and macromolecular substances can be efficiently intercepted, thereby significantly improving the filtration precision and ensuring the high purity of the thetanin extract liquid.

[0039] By arranging two microfiltration filter cartridges 101 and two ultrafiltration filter cartridges 201 and adopting a three-way valve design, the extract liquid and the filtrate can be alternately filtered, thereby effectively improving the filtration efficiency, and the design also facilitates cleaning or replacement of individual filter cartridges, thereby ensuring the continuity and stability of the filtration process.

[0040] By arranging flow sensors at the water outlets of the microfiltration filter cartridges 101 and the ultrafiltration filter cartridges 201, the flow speed of the liquid can be monitored in real time, which helps to timely discover filter cartridge blockage or flow abnormality, thereby providing an effective monitoring means for the operator, so that they can accurately judge the saturation state of the filtration structure and timely replace it.

[0041] Thus, although the present application has been described herein with reference to particular embodiments thereof, modifications, alterations and substitutions will be apparent to those skilled in the art and are intended to be within the scope of the application. Accordingly, it is to be understood that the application can be used in a variety of applications and environments and can take many different forms of implementation. The application is not limited to the specific embodiments described herein, but rather, the application includes all embodiments falling within the scope of the appended claims. Thus, the scope of the application should be determined not with reference to the above description, but should instead be determined with reference to the appended claims along with their full scope of equivalents.

Claims

1. A device for filtering impurities during the extraction of theaflavins from dark tea, characterized in that, include: Microfiltration mechanism (1) is used for preliminary filtration of the extract; An ultrafiltration unit (2) is disposed on one side of the microfiltration unit (1) and connected to the microfiltration unit (1) via a pipe. The ultrafiltration unit (2) is used to further filter the filtrate after microfiltration. The microfiltration mechanism (1) includes two microfiltration cartridges (101) and a first valve (103). The first valve (103) is connected between the inlets of the two microfiltration cartridges (101) and is used to switch the delivery direction of the extract so as to deliver the extract to the inlet of one of the microfiltration cartridges (101). The ultrafiltration mechanism (2) includes two ultrafiltration filter elements (201) and a second valve (203). The second valve (203) is connected between the inlets of the two ultrafiltration filter elements (201) and is used to switch the direction of transport of the filtrate after microfiltration so as to transport the filtrate to the inlet of one of the ultrafiltration filter elements (201).

2. The impurity filtration device for extracting theaflavins from dark tea according to claim 1, characterized in that, The microfiltration mechanism (1) further includes: Two first water inlet pipes (102) are connected at one end to the water inlet of two microfiltration cartridges (101) respectively, and at the other end to the two ports of the first valve (103) respectively.

3. The impurity filtration device for extracting theaflavins from dark tea according to claim 1, characterized in that, The microfiltration cartridge (101) includes: The first water outlet pipe (104) is installed on the water outlet of the microfiltration cartridge (101); The first flow sensor (105) is installed on the first outlet pipe (104).

4. The impurity filtration device for extracting theaflavins from dark tea according to claim 3, characterized in that, The ultrafiltration mechanism (2) further includes: Two second water inlet pipes (202) are connected at one end to the water inlet of two ultrafiltration filter elements (201) respectively, and at the other end to the two ports of the second valve (203) respectively. The first water outlet pipe (104) is connected to the second water inlet pipe (202) through the second valve (203).

5. The impurity filtration device for extracting theaflavins from dark tea according to claim 4, characterized in that, The ultrafiltration filter element (201) includes: The second water outlet pipe (204) is installed on the water outlet of the ultrafiltration filter element (201); The second flow sensor (205) is installed on the second outlet pipe (204).

6. The impurity filtration device for extracting theaflavins from dark tea according to claim 3, characterized in that, Also includes: The delivery pipe (4) is connected at one end to the first outlet pipe (104) and at the other end to the second valve (203). The delivery pipe (4) is used to deliver the filtrate after microfiltration.

7. The impurity filtration device for extracting theaflavins from dark tea according to claim 5, characterized in that, Also includes: The inlet pipe (3) is installed on the first valve (103) and is used to deliver the extract to the microfiltration mechanism (1); The liquid outlet pipe (5) is installed on the second water outlet pipe (204) and is used to discharge the filtrate after ultrafiltration.

8. The impurity filtration device for extracting theaflavins from dark tea according to claim 2, characterized in that, The first valve (103) is a three-way valve, and the first valve (103) is connected to the two first water inlet pipes (102) through flanges.

9. The impurity filtration device for extracting theaflavins from dark tea according to claim 4, characterized in that, The second valve (203) is a three-way valve, and the second valve (203) is connected to the two second water inlet pipes (202) through flanges.

10. The impurity filtration device for extracting theaflavins from dark tea according to claim 5, characterized in that, The first flow sensor (105) is configured to detect the flow rate of liquid when there is liquid flowing in the first outlet pipe (104), and the second flow sensor (205) is configured to detect the flow rate of liquid when there is liquid flowing in the second outlet pipe (204).

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