White birch juice membrane filtration system equipment

Abstract

The utility model relates to the technical field of food processing, and discloses white birch juice membrane filtration system equipment, which comprises a circulating tank, a feeding pump, a membrane filtration element and a filtrate tank, a liquid outlet of the circulating tank is fixedly connected with a liquid inlet of the feeding pump, a liquid outlet of the feeding pump is connected with a liquid inlet of the membrane filtration element, and the filtrate tank is connected with the membrane filtration element. A concentrated liquid outlet of the membrane filtering element is connected with a liquid inlet of the circulating tank, a filtrate outlet of the membrane filtering element is connected with a liquid inlet of the filtrate tank, a flushing and discharging valve is mounted outside the concentrated liquid outlet of the membrane filtering element, and a membrane filtering assembly for controlling a filtering structure is mounted outside the membrane filtering element. According to the utility model, all the parts correspondingly form a filtering treatment system, a cleaning automatic control system and the like; the membrane filtration system adopts a filter membrane with the molecular weight of 200 nanometers, and a cross-flow filtration mode is adopted for filtration.

Description

TECHNICAL FIELD

[0001] The utility model relates to food processing technical field especially, relate to a birch sap membrane filtration system equipment. BACKGROUND

[0002] The birch sap is the transparent liquid extracted from the bark or trunk of the birch, which contains a large amount of vitamins, various fatty acids, amino acids, minerals and the like.

[0003] The traditional birch sap filtration mainly adopts centrifugal method, plate and frame filtration method, clarifying agent method, alcohol precipitation method, macroporous resin adsorption method and extraction method and the like. Although the centrifugal method can quickly separate most of the solid impurities, the removal effect of the micro-particles and the dissolved impurities is limited; the plate and frame filtration method has the problems of slow filtration speed and easy blockage; the clarifying agent method needs to add chemical reagents, which will affect the product quality.

[0004] In the prior art, the traditional centrifugal method, plate and frame filtration method, clarifying agent method, alcohol precipitation method, macroporous resin adsorption method and extraction method cannot effectively clarify and separate and purify the birch sap, and there are also problems such as difficult filtration, large solvent consumption, resin hole blockage, high energy consumption, emulsification phenomenon, multiple crystallization and heavy environmental burden, so the birch sap membrane filtration system equipment is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a birch sap membrane filtration system equipment, which aims at improving the problems of the traditional birch sap clarification and separation and purification process in the prior art, such as difficult filtration, large solvent consumption, resin hole blockage, high energy consumption, emulsification phenomenon, multiple crystallization and heavy environmental burden.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A birch sap membrane filtration system equipment, comprising a circulating tank, a feed pump, a membrane filtration element and a filtrate tank, the liquid outlet of the circulating tank is fixedly connected with the liquid inlet of the feed pump, the liquid outlet of the feed pump is connected with the liquid inlet of the membrane filtration element, the concentrated liquid outlet of the membrane filtration element is connected with the liquid inlet of the circulating tank, the filtrate outlet of the membrane filtration element is connected with the liquid inlet of the filtrate tank, a flushing valve is installed outside the concentrated liquid outlet of the membrane filtration element, and a membrane filtration assembly for controlling the filtration structure is installed outside the membrane filtration element.

[0008] Further description of the above technical scheme:

[0009] The membrane filtration assembly includes a control cabinet, a temperature meter, a temperature sensor, a pre-membrane pressure sensor, a pre-membrane pressure gauge, the outside of the membrane filtration element is fixedly connected with a liquid inlet side pipeline, the outside of the temperature meter is installed on the outside of the liquid inlet side pipeline, the outside of the temperature sensor is installed on the outside of the liquid inlet side pipeline, the outside of the pre-membrane pressure sensor is installed on the outside of the liquid inlet side pipeline, and the outside of the pre-membrane pressure gauge is installed on the outside of the liquid inlet side pipeline.

[0010] As a further description of the above technical solution:

[0011] The outside of the membrane filtration element is fixedly connected with a concentrated liquid outlet side pipeline, a post-membrane pressure sensor is installed on the outside of the concentrated liquid outlet side pipeline, a post-membrane pressure gauge is installed on the end of the concentrated liquid outlet side pipeline away from the post-membrane pressure sensor, a concentrated liquid electromagnetic flowmeter is installed on the outside of the concentrated liquid outlet side pipeline, the outside of the membrane filtration element is fixedly connected with a filtrate outlet side pipeline, and a filtrate electromagnetic flowmeter is installed on the outside of the filtrate outlet side pipeline.

[0012] As a further description of the above technical solution:

[0013] The signal input end of the control cabinet is connected with the signal output end of the temperature sensor, the signal input end of the control cabinet is connected with the signal output end of the pre-membrane pressure sensor, the signal input end of the control cabinet is connected with the signal output end of the post-membrane pressure sensor, and the control signal output end of the control cabinet is fixedly connected with the control signal input end of the feed pump.

[0014] As a further description of the above technical solution:

[0015] A liquid inlet valve is installed on the outside of the pipeline between the circulating tank and the feed pump, a membrane inlet valve is installed on the outside of the pipeline between the feed pump and the membrane filtration element, a backwashing valve is installed on the outside of the pipeline between the membrane filtration element and the left side of the feed pump, an adjusting valve is installed on the outside of the pipeline between the concentrated liquid outlet of the membrane filtration element and the liquid inlet of the circulating tank, a filtrate circulating valve is installed between the filtrate outlet of the membrane filtration element and the liquid inlet pipeline of the circulating tank, and a filtrate production valve is installed between the filtrate outlet of the membrane filtration element and the liquid inlet pipeline of the filtrate tank.

[0016] As a further description of the above technical solution:

[0017] The liquid outlet of the circulating tank is externally fixedly connected with a blowdown pipeline I, the blowdown pipeline I is externally provided with a blowdown valve I, the liquid inlet of the membrane filtration element is externally fixedly connected with a blowdown pipeline II, the blowdown pipeline II is externally provided with a blowdown valve II, the filtrate outlet of the membrane filtration element is externally fixedly connected with a blowdown pipeline III, and the blowdown pipeline III is externally provided with a filtrate blowdown valve.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] In the utility model, the hollow fiber membrane with a molecular weight of 500,000 is used to filter in a cross-flow mode, and has the advantages of high mechanical strength, good wear resistance, heat resistance, acid and alkali resistance, organic solution resistance, easy cleaning and long service life, and obvious advantages in harsh environments. The utility model has high automation, is controlled by a control cabinet and is easy to operate. The advanced modular design enables the filtration equipment to be independently sealed, occupies less space and can realize continuous industrial production. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A perspective view of a birch juice membrane filtration system device is provided in the utility model.

[0021] LEGEND:

[0022] 1, circulating tank; 2, blowdown valve I; 3, liquid inlet valve; 4, temperature table; 5, temperature sensor; 6, feed pump; 7, pre-membrane pressure sensor; 8, pre-membrane pressure gauge; 9, membrane inlet valve; 10, backwash valve; 11, membrane filtration element; 12, post-membrane pressure sensor; 13, post-membrane pressure gauge; 14, blowdown valve II; 15, flushing valve; 16, regulating valve; 17, concentrated liquid electromagnetic flowmeter; 18, filtrate blowdown valve; 19, filtrate electromagnetic flowmeter; 20, filtrate circulation valve; 21, filtrate production valve; 22, filtrate tank. DETAILED DESCRIPTION

[0023] 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 protection scope of the utility model.

[0024] REFERENCE Figure 1The utility model provides a kind of embodiment: a white birch juice membrane filtration system equipment, including circulating tank 1, feed pump 6, membrane filtration element 11, filtrate tank 22, the liquid outlet of circulating tank 1 is fixedly connected with the liquid inlet of feed pump 6, the liquid outlet of feed pump 6 is connected with the liquid inlet of membrane filtration element 11, and the white birch juice extractant in circulating tank 1 is extracted by feed pump 6 work and enters membrane filtration element 11 with the liquid inlet of membrane filtration element 11, and eight hollow fiber membranes are used in parallel in membrane filtration element 11, the molecular weight of its filter membrane is 500000 nanometers, model is 9050, operating temperature ≦45 DEG, cleaning pH value 2~12, and the filter membrane is polypropylene containing.

[0025] The liquid outlet of membrane filtration element 11 is connected with the liquid inlet of filtrate tank 22, so that the liquid filtered by the membrane can be collected and stored. In order to facilitate maintenance and cleaning, a flushing valve 15 is installed outside the concentrated liquid outlet of the membrane filtration element 11. The inlet and outlet ports of each component are connected by 304 stainless steel pipes, and the components and the 304 stainless steel pipes are connected by quick-mount chucks (not shown in the figure). The wires between the control cabinet (not shown in the figure) and other components are shielded (not shown in the figure). Some of the 304 stainless steel pipes between the inlet and outlet ports of each component are partially overlapped. Therefore, the main pipe is divided into branch pipes. The above-mentioned components are conventional components in the prior art.

[0026] A membrane filtration assembly is installed outside the membrane filtration element 11 to control the filtration structure. The membrane filtration assembly includes a control cabinet, a temperature gauge 4, a temperature sensor 5, a pre-membrane pressure sensor 7, and a pre-membrane pressure gauge 8. The inlet port of the membrane filtration element 11 is fixedly connected to the pipe outside the inlet port. The temperature gauge 4 is installed outside the pipe outside the inlet port to monitor the inlet temperature in real time. The temperature sensor 5 is installed outside the pipe outside the inlet port to convert the temperature signal into an electrical signal and transmit it to the control cabinet. The pre-membrane pressure sensor 7 is installed outside the pipe outside the inlet port to measure the inlet pressure. The pre-membrane pressure gauge 8 is installed outside the pipe outside the inlet port to visually display the inlet pressure.

[0027] The outside of the membrane filtration element 11 is fixedly connected with a pipe on the concentrated liquid outlet side, a membrane post pressure sensor 12 is installed on the outside of the pipe on the concentrated liquid outlet side, and is used to measure the concentrated liquid pressure. A membrane post pressure gauge 13 is installed on the outside of the pipe on the concentrated liquid outlet side, away from the membrane post pressure sensor 12, and is used to directly display the concentrated liquid pressure. A concentrated liquid electromagnetic flowmeter 17 is installed on the outside of the pipe on the concentrated liquid outlet side, and is used to accurately measure the flow of the concentrated liquid. The outside of the pipe on the filtrate outlet side of the membrane filtration element 11 is fixedly connected with a pipe, and a filtrate electromagnetic flowmeter 19 is installed on the outside of the pipe on the filtrate outlet side, and is used to accurately measure the flow of the filtrate.

[0028] The signal input end of the control cabinet is connected with the signal output end of the temperature sensor 5, so that the control cabinet can adjust the working state of the feed pump 6 according to the temperature signal. The signal input end of the control cabinet is connected with the signal output end of the membrane pre-pressure sensor 7, and the signal input end of the control cabinet is connected with the signal output end of the membrane post pressure sensor 12, so that the control cabinet can monitor the running state of the whole system according to the pressure signal. The control signal output end of the control cabinet is fixedly connected with the control signal input end of the feed pump 6, so that the control cabinet can directly control the start-stop and speed of the feed pump 6.

[0029] A liquid inlet valve 3 is installed on the outside of the pipe between the circulating tank 1 and the feed pump 6, and is used to control the liquid inlet amount of the circulating tank 1 to the feed pump 6. A membrane inlet valve 9 is installed on the outside of the pipe between the feed pump 6 and the membrane filtration element 11, and is used to control the liquid inlet amount of the feed pump 6 to the membrane filtration element 11. A backwashing valve 10 is installed on the outside of the pipe between the membrane filtration element 11 and the left side of the feed pump 6, and is used to backwash the membrane filtration element 11 when needed. An adjusting valve 16 is installed on the outside of the pipe between the concentrated liquid outlet of the membrane filtration element 11 and the liquid inlet of the circulating tank 1, and is used to adjust the flow of the concentrated liquid returning to the circulating tank 1. A filtrate circulating valve 20 is installed on the pipe between the filtrate outlet of the membrane filtration element 11 and the liquid inlet of the circulating tank 1, and is used to control whether the filtrate returns to the circulating tank 1 for further treatment. A filtrate production valve 21 is installed on the pipe between the filtrate outlet of the membrane filtration element 11 and the liquid inlet of the filtrate tank 22, and is used to control whether the filtrate enters the filtrate tank 22 for storage.

[0030] A blowdown pipe one is fixedly connected to the outside of the liquid outlet of the circulating tank 1, and a blowdown valve one 2 is installed on the outside of the blowdown pipe one, and is used to discharge wastewater or impurities in the circulating tank 1 when needed. A blowdown pipe two is fixedly connected to the outside of the liquid inlet of the membrane filtration element 11, and a blowdown valve two 14 is installed on the outside of the blowdown pipe two, and is used to discharge wastewater or impurities at the liquid inlet of the membrane filtration element 11 when needed. A blowdown pipe three is fixedly connected to the outside of the filtrate outlet of the membrane filtration element 11, and a filtrate blowdown valve 18 is installed on the outside of the blowdown pipe three, and is used to discharge wastewater or impurities at the filtrate outlet when needed.

[0031] Working principle: a white birch juice extract solution is placed in the circulating tank 1, the feed pump 6 works to extract the white birch juice extract solution in the circulating tank 1 into the membrane filtration element 11 through the liquid inlet of the membrane filtration element 11, after the action of the hollow fiber membrane in the membrane filtration element 11, the white birch juice extract solution is divided into concentrated solution and filtrate, the concentrated solution enters the intermediate circulating tank 1 after the concentrated solution outlet of the membrane filtration element 11; the filtrate enters the filtrate tank 22 and the circulating tank 1 respectively after the filtrate outlet of the membrane filtration element 11, the filtrate enters the filtrate tank 22 during production and enters the circulating tank 1 during cleaning; all the valves need to cooperate to complete the above various working steps.

[0032] The membrane filtration element 11 realizes directional separation by using the different molecular weights of the white birch juice and the liquid, the white birch juice with larger molecular weight is intercepted by the organic membrane in the membrane filtration element 11, and the liquid with smaller molecular weight is separated out through the organic membrane, so that the filtering effect is achieved.

[0033] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A birch sap membrane filtration system apparatus comprising a circulation tank (1), a feed pump (6), a membrane filtration element (11), a filtrate tank (22), characterized in that: The liquid outlet of the circulating tank (1) is fixedly connected with the liquid inlet of the feed pump (6), the liquid outlet of the feed pump (6) is connected with the liquid inlet of the membrane filtration element (11), the concentrated liquid outlet of the membrane filtration element (11) is connected with the liquid inlet of the circulating tank (1), the filtrate outlet of the membrane filtration element (11) is connected with the liquid inlet of the filtrate tank (22), the concentrated liquid outlet of the membrane filtration element (11) is externally provided with a flushing valve (15), and the membrane filtration element (11) is externally provided with a membrane filtration assembly for controlling the filtration structure.

2. A birch sap membrane filtration system apparatus according to claim 1, characterized in that: The membrane filtration assembly comprises a control cabinet, a temperature meter (4), a temperature sensor (5), a pre-membrane pressure sensor (7) and a pre-membrane pressure gauge (8), the membrane filtration element (11) is fixedly connected with a liquid inlet side pipeline outside the membrane filtration element (11), the temperature meter (4) is externally mounted on the liquid inlet side pipeline, the temperature sensor (5) is externally mounted on the liquid inlet side pipeline, the pre-membrane pressure sensor (7) is externally mounted on the liquid inlet side pipeline, and the pre-membrane pressure gauge (8) is externally mounted on the liquid inlet side pipeline.

3. A birch sap membrane filtration system apparatus according to claim 2, characterized in that: The membrane filtration element (11) is fixedly connected with a concentrated liquid outlet side pipeline outside the membrane filtration element (11), the concentrated liquid outlet side pipeline is externally provided with a post-membrane pressure sensor (12), a post-membrane pressure gauge (13) is mounted at one end of the concentrated liquid outlet side pipeline away from the post-membrane pressure sensor (12), the concentrated liquid outlet side pipeline is externally provided with a concentrated liquid electromagnetic flowmeter (17), the membrane filtration element (11) is fixedly connected with a filtrate outlet side pipeline outside the membrane filtration element (11), and the filtrate outlet side pipeline is externally provided with a filtrate electromagnetic flowmeter (19).

4. A birch sap membrane filtration system apparatus according to claim 3, characterized in that: The signal input end of the control cabinet is connected with the signal output end of the temperature sensor (5), the signal input end of the control cabinet is connected with the signal output end of the pre-membrane pressure sensor (7), the signal input end of the control cabinet is connected with the signal output end of the post-membrane pressure sensor (12), and the control signal output end of the control cabinet is fixedly connected with the control signal input end of the feed pump (6).

5. A birch sap membrane filtration system apparatus according to claim 1, wherein: The pipeline between the circulating tank (1) and the feed pump (6) is externally provided with an inlet valve (3), the pipeline between the feed pump (6) and the membrane filtration element (11) is externally provided with an inlet valve (9), the pipeline between the membrane filtration element (11) and the left side of the feed pump (6) is externally provided with a backwashing valve (10), the pipeline between the concentrated liquid outlet of the membrane filtration element (11) and the liquid inlet of the circulating tank (1) is externally provided with an adjusting valve (16), the pipeline between the filtrate outlet of the membrane filtration element (11) and the liquid inlet of the circulating tank (1) is provided with a filtrate circulating valve (20), and the pipeline between the filtrate outlet of the membrane filtration element (11) and the liquid inlet of the filtrate tank (22) is provided with a filtrate production valve (21).

6. A birch sap membrane filtration system apparatus according to claim 1, wherein: The outer part of the liquid outlet of the circulating tank (1) is fixedly connected with a blowdown pipeline I, the outer part of the blowdown pipeline I is installed with a blowdown valve I (2), the outer part of the liquid inlet of the membrane filter element (11) is fixedly connected with a blowdown pipeline II, the outer part of the blowdown pipeline II is installed with a blowdown valve II (14), the outer part of the filtrate outlet of the membrane filter element (11) is fixedly connected with a blowdown pipeline III, the outer part of the blowdown pipeline III is installed with a filtrate blowdown valve (18).

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