Filter for biological fermentation liquor

Abstract

The utility model discloses a filter for biological fermentation liquor, which comprises a head-section filter and a tail-section filter, and a liquid discharge port of the head-section filter is connected with a liquid inlet port of the tail-section filter; the head section filter comprises a shell, an extension pipeline penetrating through the middle of an inner cavity of the shell and a filter membrane fixed in the inner cavity of the shell and located on the periphery of the extension pipeline, and a port, penetrating to the bottom of the shell, of the extension pipeline is connected with a liquid inlet pipeline. According to the technical scheme, the head-section filter and the tail-section filter are arranged, after fermentation liquor is conveyed into the head-section filter, the fermentation liquor passes through the filter membrane by virtue of conveying pressure, so that fermentation residues are preliminarily filtered out, and liquid carrying small-particle fermentation residues is conveyed into the tail-section filter; the driving motor is used for providing rotating force for the filtrate membrane cylinder, so that fermentation liquor entering the filtrate membrane cylinder is influenced by centrifugal force, and larger separating force is obtained to separate small-particle residues from the fermentation liquor.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter instrument technical field, concretely relates to a filter for biological fermentation liquor. BACKGROUND

[0002] Fermentation liquor refers to liquid culture medium access microbial species, after a period of culture, microorganism utilizes the nutrient component in culture medium, synthesizes the secretion product of bacterial body, this liquid after microbial metabolism is called fermentation liquor, relatively common fermentation liquor is grape wine, fermentation fruit juice beverage etc. Since fermentation liquor often uses animals and plants as raw materials, the fermentation liquor produced will contain many residual particles of different sizes, in order to obtain better taste, the fermentation liquor will adopt filter for solid-liquid separation in the process of conveying from the inside of fermentation tank. The filter acting on the fermentation tank at the present stage is basically membrane filter, the effect of filtering is played by penetrating from the membrane layer after the pump-in pressure is applied to the fermentation liquor, but the present stage this kind of filtration mode relying on pump-in pressure makes fermentation liquor, not only there is the problem of slow filtration effluent speed, but also there is the problem of not filtering small particles cleanly, therefore the technical personnel in the field propose a scheme of filter for biological fermentation liquor. SUMMARY

[0003] The utility model discloses a technical scheme of filter for biological fermentation liquor to solve the deficiency in the background art. In order to solve the drawbacks and defects described in the background art, the technical scheme has the following contents:

[0004] Including head section filter and tail section filter, the head section filter liquid discharge port is connected with the liquid inlet port of tail section filter;

[0005] The head section filter includes a shell, an extension pipeline through the middle of the inner cavity of the shell, and a filter membrane fixed on the inner cavity of the shell and located around the extension pipeline, the extension pipeline penetrates the port at the bottom of the shell and is connected with a liquid inlet pipe, a liquid discharge pipe penetrates the left side of the bottom end face of the shell, and the outer surface of the filter membrane has a spacing between the inner cavity side wall of the shell for the filtered fermentation liquor to flow through;

[0006] The tail section filter includes a tank body, a sealing cover fixed on the top port of the tank body, and a drive motor fixedly connected to the top surface of the sealing cover, the output shaft of the drive motor penetrates the sealing cover and is connected through a shaft coupling with a filter membrane cartridge located in the inner cavity of the tank body, a liquid slip ring is installed at the bottom end port of the filter membrane cartridge, the bottom end port of the liquid slip ring is connected with a connecting pipe penetrating to the outside of the tank body, and a liquid outlet pipe penetrates the left side of the bottom end face of the tank body.

[0007] As one preferred scheme of the utility model, the bottom surface of the shell is fixedly connected with a fixed plate, and the outer ring surface of the fixed plate is locked with three support legs arranged in a ring array through bolts.

[0008] As one preferred scheme of the utility model, the top surface of the liquid inlet pipeline and the liquid outlet pipeline is provided with a pressure gauge, and a sampling valve is further arranged on the side wall of the liquid inlet pipeline and the liquid outlet pipeline.

[0009] As one preferred scheme of the utility model, one end of the liquid outlet pipeline penetrating into the inner cavity of the shell is located in the space between the filter membrane.

[0010] As one preferred scheme of the utility model, the outer ring surface of the filter membrane cartridge and the inner cavity side wall of the tank body have a gap for the circulation of fermentation liquid, and one end of the liquid outlet pipe penetrating into the inner cavity of the tank body is located in the gap.

[0011] As one preferred scheme of the utility model, the top surface of the liquid outlet pipe and the connecting pipe is provided with a pressure gauge, and a sampling valve is further arranged on the side wall of the liquid outlet pipe and the connecting pipe.

[0012] As one preferred scheme of the utility model, the bottom end surface of the tank body is connected with a support frame flush with the support legs of the shell bottom.

[0013] As one preferred scheme of the utility model, the sealing cover is inlaid with a bearing, the output shaft of the driving motor is connected with a rotating shaft through a shaft coupling, and the bottom end of the rotating shaft is connected with the top surface of the filter membrane cartridge.

[0014] As one preferred scheme of the utility model, the end of the connecting pipe away from the tank body is connected with the end of the liquid outlet pipeline away from the shell.

[0015] In the above technical scheme, the utility model provides technical effects and advantages:

[0016] In the technical scheme, two filters of head section and tail section are arranged, after the fermentation liquid is sent into the head section filter, the fermentation liquid is filtered through the filter membrane by the pressure of the sending, and the liquid with small particle fermentation residue is sent into the tail section filter, the driving motor provides rotating force for the filter membrane cartridge, so that the fermentation liquid in the filter membrane cartridge is affected by centrifugal force, thereby obtaining greater separation force to separate the small particle residue from the fermentation liquid. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings.

[0018] Figure 1 It is a whole structure schematic diagram of fermentation liquid filter unit.

[0019] Figure 2 It is a schematic diagram of head section filter.

[0020] Figure 3 It is a schematic diagram of tail section filter.

[0021] Explanation of reference signs:

[0022] 1, head section filter; 11, shell; 12, liquid inlet pipeline; 13, liquid outlet pipeline; 14, extension pipeline; 15, filter membrane; 16, end cover; 2, tail section filter; 21, tank body; 22, filtrate membrane cylinder; 23, driving motor; 24, sealing cover; 25, liquid slip ring; 26, liquid outlet pipe; 27, connecting pipe. DETAILED DESCRIPTION

[0023] In order to make the technical solutions and implementation modes of the present application more clearly explained and described, the following introduces several preferred specific embodiments for realizing the technical solutions of the present application.

[0024] The following description is merely exemplary in nature and is not intended to limit the disclosure, application and uses. It should be understood that in all the drawings, the same or similar reference signs indicate the same or similar parts and features. Each drawing only schematically represents the concept and principle of the embodiments of the present disclosure, and does not necessarily show the specific dimensions and their proportions of each embodiment of the present disclosure. In a particular part in a particular drawing, an exaggerated manner may be used to illustrate the relevant details or structures of the embodiments of the present disclosure. The disclosures of the various publications, patents and published patent specifications cited herein are hereby incorporated by reference in their entirety. The technical solutions of the present application will be described clearly and completely in combination with the embodiments of the present application. Obviously, the described embodiments only represent some embodiments of the present application.

[0025] Embodiment; a preferred technical solution of a filter for biological fermentation liquid, comprising the following:

[0026] It comprises a head section filter 1 and a tail section filter 2, and the liquid outlet port of the head section filter 1 is connected with the liquid inlet port of the tail section filter 2.

[0027] The head section filter 1 comprises a shell 11, an extension pipe 14 penetrating the middle of the inner cavity of the shell 11, and a filter membrane 15 fixed in the inner cavity of the shell 11 outside the extension pipe 14, the extension pipe 14 is connected with a liquid inlet pipe 12 at the bottom port of the shell 11, the bottom end surface of the shell 11 is penetrated by a liquid outlet pipe 13, and the outer ring surface of the filter membrane 15 has a spacing with the inner cavity side wall of the shell 11 for the flow of filtered fermentation liquid;

[0028] The tail section filter 2 comprises a tank body 21, a sealing cover 24 fixed at the top port of the tank body 21, and a driving motor 23 fixedly connected to the top surface of the sealing cover 24, the output shaft of the driving motor 23 penetrates the sealing cover 24 and is connected through a shaft coupling with a filter membrane cylinder 22 located in the inner cavity of the tank body 21, the bottom end port of the filter membrane cylinder 22 is installed with a liquid slip ring 25, the bottom end port of the liquid slip ring 25 is connected with a connecting pipe 27 penetrating to the outside of the tank body 21, and the bottom end surface of the tank body 21 is penetrated by a liquid outlet pipe 26.

[0029] The bottom surface of the shell 11 is fixedly connected with a fixed plate, the outer ring surface of the fixed plate is locked with three support legs arranged in a ring array through bolts, the top surface of the liquid inlet pipe 12 and the liquid outlet pipe 13 is installed with a pressure gauge, and the side wall of the liquid inlet pipe 12 and the liquid outlet pipe 13 is also installed with a sampling valve, and the end of the liquid outlet pipe 13 penetrating into the inner cavity of the shell 11 is located in the space between the filter membranes 15 and 19.

[0030] The outer ring surface of the filter membrane cylinder 22 has a gap with the inner cavity side wall of the tank body 21 for the flow of fermentation liquid, the end of the liquid outlet pipe 26 penetrating into the inner cavity of the tank body 21 is located in the gap, the top surface of the liquid outlet pipe 26 and the connecting pipe 27 is installed with a pressure gauge, the side wall of the liquid outlet pipe 26 and the connecting pipe 27 is also installed with a sampling valve, the bottom end surface of the tank body 21 is connected with a support frame flush with the bottom support legs of the shell 11, a bearing is embedded in the inside of the sealing cover 24, the output shaft of the driving motor 23 is connected through a shaft coupling with a rotating shaft, the bottom end of the rotating shaft is connected with the top surface of the filter membrane cylinder 22, and the end of the connecting pipe 27 away from the tank body 21 is connected with the end of the liquid outlet pipe 13 away from the shell 11.

[0031] According to the above-mentioned preferred technical scheme, the working process of the technical scheme is described:

[0032] The fermentation liquid in the fermentation tank is transported to the inside of the extension pipeline 14 through the pump and the liquid inlet pipeline 12, and under the pressure of the pump, the fermentation liquid is filtered by the filter membrane 15 to the space between the filter membrane 15 and the shell 11, at this time, the filtered fermentation liquid will flow into the inside of the connecting pipe 27 along the liquid outlet pipeline 13. At this time, the fermentation liquid enters the inside of the filtrate membrane cylinder 22 along the connecting pipe 27 and the liquid slip ring 25, and the driving motor 23 drives the filtrate membrane cylinder 22 to rotate axially, so that the fermentation liquid in the inside of the filtrate membrane cylinder 22 penetrates into the space between the filtrate membrane cylinder 22 and the tank body 21 under the action of centrifugal force, and finally the filtered fermentation liquid is discharged along the liquid outlet pipe 26.

[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A filter for bio-fermentation broth, comprising a head filter (1) and a tail filter (2), characterized in that: The drain port of the head filter (1) is connected to the inlet port of the tail filter (2); The head filter (1) includes a housing (11), an extension pipe (14) passing through the middle of the inner cavity of the housing (11), and a filter membrane (15) fixed in the inner cavity of the housing (11) and located around the extension pipe (14). The port of the extension pipe (14) passing through the bottom of the housing (11) is connected to an inlet pipe (12). A drain pipe (13) passes through the left side of the bottom end face of the housing (11). There is a gap between the outer surface of the filter membrane (15) and the inner cavity sidewall of the housing (11) for the flow of the filtered fermentation liquid. The tail section filter (2) includes a tank (21), a sealing cover (24) fixed to the top port of the tank (21), and a drive motor (23) fixedly connected to the top surface of the sealing cover (24). The output shaft of the drive motor (23) passes through the sealing cover (24) and is connected to a filtrate membrane cylinder (22) located in the inner cavity of the tank (21) via a coupling. A liquid slip ring (25) is installed at the bottom port of the filtrate membrane cylinder (22). A connecting pipe (27) that penetrates to the outside of the tank (21) is connected to the bottom port of the liquid slip ring (25). An outlet pipe (26) is provided through the left side of the bottom end face of the tank (21).

2. A filter for bio-fermentation broth according to claim 1, characterized in that: The bottom surface of the housing (11) is fixedly connected to a fixing plate, and the outer surface of the fixing plate is bolted with three support legs arranged in a ring array.

3. A filter for bio-fermentation broth according to claim 1, characterized in that: Pressure gauges are installed on the top surfaces of the inlet pipe (12) and the outlet pipe (13), and sampling valves are also installed on the side walls of the inlet pipe (12) and the outlet pipe (13).

4. A filter for bio-fermentation broth according to claim 1, characterized in that: The drain pipe (13) extends into the inner cavity of the housing (11) at one end, which is located in the space between the filter membranes (15) and (19).

5. A filter for bio-fermentation broth according to claim 1, characterized in that: There is a gap between the outer surface of the filtrate membrane tube (22) and the inner wall of the tank (21) for the fermentation liquid to flow through, and one end of the outlet pipe (26) that passes through the inner cavity of the tank (21) is located in the gap.

6. A filter for bio-fermentation broth according to claim 1, characterized in that: Pressure gauges are installed on the top surfaces of the outlet pipe (26) and the connecting pipe (27), and sampling valves are also installed on the side walls of the outlet pipe (26) and the connecting pipe (27).

7. A filter for bio-fermentation broth according to claim 1, characterized in that: The bottom end face of the tank (21) is connected to a support frame that is flush with the bottom support leg of the shell (11).

8. A filter for bio-fermentation broth according to claim 1, characterized in that: The sealing cover (24) is inlaid with a bearing, and the output shaft of the drive motor (23) is connected to a rotating shaft through a coupling. The bottom end of the rotating shaft is connected to the top surface of the filtrate membrane cylinder (22).

9. A filter for bio-fermentation broth according to claim 1, characterized in that: The end of the connecting pipe (27) away from the tank body (21) is connected to the end of the drain pipe (13) away from the shell (11).

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