Inulin extracting solution separation and concentration equipment

Abstract

The utility model discloses inulin extracting solution separating and concentrating equipment which comprises an extracting solution temporary storage tank, a first-stage filtering system, a second-stage filtering system, a third-stage filtering system and a disc-type membrane concentrating system, the disc-type membrane concentrating system comprises a shell, a hollow shaft, a disc-type membrane and a driving motor, and a liquid conveying channel is arranged in the disc-type membrane. The liquid conveying channel is communicated with the hollow shaft; the liquid conveying channel is arranged in the disc membrane and communicated with the hollow shaft, the liquid discharging hole is formed in the hollow shaft located on the outer side of the shell, under the action of pressure, macromolecular substances are intercepted outside the disc membrane to form intercepted liquid, micromolecular fluid penetrates through the disc membrane to form filtrate, and the filtrate is discharged through the central shaft. In the process, the hollow shaft drives the diaphragms to rotate, high section flow speed is achieved through rotating centrifugal force, a more efficient fluid treatment mode is brought by the dynamic cross flow technology, the separation speed is increased, time is saved, and the productivity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to inulin extraction liquid separation equipment technical field, especially inulin extraction liquid separation concentration equipment. BACKGROUND

[0002] In the production process of inulin, the extraction liquid usually adopts the traditional solid-liquid separation method, such as filter core filter bag, etc., and then is concentrated through pressure reduction and heating, and a small number of hollow fiber membranes or tubular ceramic membrane systems are also used for filtration. The separation method such as filter core filter bag has many disadvantages, such as: solid residues and impurities are easy to accumulate, causing pollution and low filtration efficiency, or directly dying, filtration cannot continue, precision is too poor, and the precision and performance of the filtration equipment directly affect the removal effect of impurities. If the filtration precision is not high enough or the equipment performance is unstable, the impurities may not be removed completely, affecting the quality and purity of the subsequent product. The efficiency of the hollow fiber membrane for solid-liquid separation gradually decreases over time, the membrane is blocked, the flux decreases, it is difficult to clean, and it is easy to be contaminated; and the tubular ceramic membrane is also blocked with solution, the flux decreases, the efficiency decreases, the concentration effect cannot be achieved, and constant backwashing is required, affecting the work efficiency. The traditional steam concentration consumes a large amount of energy, increases the production cost, and may have a certain impact on the environment. SUMMARY

[0003] The utility model aims at providing an inulin extraction liquid separation and concentration equipment, achieving the multiple purposes of separation, filtration, concentration and sterilization, and ensuring the quality and purity of inulin.

[0004] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0005] An inulin extraction liquid separation and concentration equipment, comprising an extraction liquid temporary storage tank, a primary filtration system, a secondary filtration system, a tertiary filtration system and a disc membrane concentration system connected in sequence through pipelines, wherein the disc membrane concentration system comprises a shell, a hollow shaft arranged in the shell, disc membranes arranged on the hollow shaft in a spaced manner, and a driving motor for driving the hollow shaft to rotate, the disc membranes are internally provided with liquid conveying channels, the liquid conveying channels are communicated with the hollow shaft, and a liquid discharge hole is formed on the hollow shaft outside the shell.

[0006] Preferably, the spacing between adjacent disc membranes is equal.

[0007] Preferably, the disc membranes are ceramic membranes, comprising mutually adhered membrane layers, one side of each of the membrane layers is provided with a flow guide groove, and the flow guide grooves form the liquid conveying channels.

[0008] Preferably, the primary filtration system, the secondary filtration system and the tertiary filtration system are provided with a blowdown port.

[0009] Preferably, the disc membranes are arranged in an equidistant stacking mode and are sealed from each other by O-shaped sealing rings.

[0010] Preferably, a pump body is arranged on a pipeline between the extraction liquid temporary storage tank, the primary filtration system, the secondary filtration system and the tertiary filtration system.

[0011] The present application has the following technical effects compared with the prior art.

[0012] 1. The disc membrane is provided with a liquid conveying channel, the liquid conveying channel is communicated with the hollow shaft, a liquid discharge hole is arranged on the hollow shaft located outside the shell, under the action of pressure, macromolecular substances are intercepted outside the disc membrane to form intercepted liquid, small molecule fluid penetrates through the disc membrane to form filtered liquid which is discharged through the central shaft, in the process, the hollow shaft drives the membrane to rotate, a high tangential velocity is achieved by using the rotational centrifugal force, a more efficient fluid processing mode is brought by the dynamic cross-flow technology, the separation speed is accelerated, time is saved and production capacity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the present application or the prior art, 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 present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying creative labor.

[0014] Figure 1 It is a structural flowchart of the present application.

[0015] Figure 2 It is a structural schematic view of the disc membrane of the present application.

[0016] 1, extraction liquid temporary storage tank; 2, primary filtration system; 3, secondary filtration system; 4, tertiary filtration system; 5, disc membrane concentration system; 6, driving motor; 7, valve; 8, pump body; 9, backwashing pipe; 10, filtrate pipe; 11, intercepted liquid recovery pipe; 12, membrane layer; 13, flow guide groove; 14, liquid conveying pipeline. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present utility model will be apparently and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0018] The purpose of the present utility model is to provide a kind of inulin extract liquid separation concentration equipment, to achieve the multiple purposes of separation, filtration, concentration, sterilization, guarantee the quality and purity of inulin.

[0019] In order to make the above-mentioned purposes, features and advantages of the present utility model more apparent and easy to understand, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0020] Reference Figure 1 An inulin extract liquid separation concentration equipment, comprising an extract liquid temporary storage tank, a primary filtration system, a secondary filtration system, a tertiary filtration system and a disc membrane concentration system connected in sequence by pipelines, the disc membrane concentration system comprises a shell, a hollow shaft arranged in the shell, a disc membrane arranged on the hollow shaft in a spaced manner and a driving motor for driving the hollow shaft to rotate, the disc membrane is internally provided with a liquid delivery channel, the liquid delivery channel is in communication with the hollow shaft, and a liquid discharge hole is formed in the hollow shaft outside the shell; the disc membrane in the present utility model is internally provided with a liquid delivery channel, the liquid delivery channel is in communication with the hollow shaft, and a liquid discharge hole is formed in the hollow shaft outside the shell; under the action of pressure, macromolecular substances are intercepted outside the disc membrane to form retained liquid, small molecule fluid penetrates the disc membrane to form filtered liquid and is discharged through the central shaft; in this process, the hollow shaft drives the membrane to rotate, a high tangential flow rate is achieved by using rotational centrifugal force, a more efficient fluid treatment mode is brought by dynamic cross-flow technology, the separation speed is accelerated, time is saved and production capacity is improved.

[0021] Further, the spacing between adjacent disc membranes is equal.

[0022] Reference Figure 1 The disc membrane is a ceramic membrane, comprising mutually adhered membrane layers, one side of the adhered membrane layers is correspondingly provided with a flow guide groove, and the flow guide groove forms the liquid delivery channel.

[0023] Reference Figure 1 A blowdown port is arranged on each of the primary filtration system, the secondary filtration system and the tertiary filtration system.

[0024] Further, the disc membranes are arranged in an equal-spacing stacked arrangement and are sealed from each other by O-shaped sealing rings.

[0025] ReferenceFigure 1 Pump bodies are arranged on pipelines between the extraction liquid temporary storage tank, the primary filtration system, the secondary filtration system and the tertiary filtration system.

[0026] Reference Figure 1 A backwashing pipe for backwashing liquid flow is arranged between the extraction liquid temporary storage tank, the primary filtration system, the secondary filtration system and the tertiary filtration system, and a retained liquid recovery pipe is arranged on the tertiary filtration system.

[0027] Reference Figure 1 The shell is also provided with the backwashing pipe, and a filtrate pipe is arranged.

[0028] Reference Figure 1 Valves are arranged in the application.

[0029] The working process of the utility model is as follows:

[0030] The extraction liquid in the extraction liquid temporary storage tank is pumped into the primary filtration system to remove large particle impurities such as fibers, the filtered liquid is pumped into the secondary filtration system to remove macromolecular impurities such as colloids, the filtered liquid is pumped into the tertiary filtration system to remove macromolecular substances such as proteins, the permeate is a substance with a molecular weight less than 10,000 daltons, and the retained liquid can be recovered; the ultrafiltrate is pumped into a disc membrane concentration system, the core element of the system is a disc-shaped membrane with a ceramic membrane, including two separated membrane layers, an internal flow guide groove is arranged therein, and the flow guide groove is connected with a hollow shaft; during filtration, liquid penetrates into the flow guide groove from the outside to the inside, and then flows out through the hollow shaft. The concentrated liquid is intercepted by the membrane, does not flow into the hollow shaft, and is left in the membrane assembly, and then enters a drying link through a pipeline.

[0031] Adaptive changes according to actual requirements are within the protection scope of the utility model.

[0032] It should be noted that, for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An inulin extract solution separation and concentration apparatus, characterized by, The pipeline-connected extraction liquid temporary storage tank, the first-stage filtration system, the second-stage filtration system, the third-stage filtration system, and the disc membrane concentration system are sequentially connected in sequence, the disc membrane concentration system comprises a shell, a hollow shaft arranged in the shell, a disc membrane arranged on the hollow shaft in a sleeving manner, and a driving motor for driving the hollow shaft to rotate, a liquid conveying channel is arranged in the disc membrane, the liquid conveying channel is communicated with the hollow shaft, and a liquid discharge hole is arranged on the hollow shaft outside the shell.

2. The inulin extract separation and concentration apparatus of claim 1, wherein, The intervals between the adjacent disc membranes are equal.

3. The inulin extract separation and concentration apparatus of claim 2, wherein, The disc membrane is a ceramic membrane, comprises mutually adhered face membrane layers, a flow guide groove is arranged on one adhered face of each face membrane layer, and the flow guide grooves form the liquid conveying channel.

4. The inulin extract separation and concentration apparatus of claim 1, wherein, Each of the first-stage filtration system, the second-stage filtration system, and the third-stage filtration system is provided with a blow-off port.

5. The inulin extract separation and concentration apparatus of claim 1, wherein, The disc membranes are arranged in an equal-interval stacking mode and are sealed from each other by O-shaped sealing rings.

6. The inulin extract separation and concentration apparatus of claim 1, wherein, Each of the pipelines between the extraction liquid temporary storage tank, the first-stage filtration system, the second-stage filtration system, and the third-stage filtration system is provided with a pump body.

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