Fermentation liquid filtering and concentrating system

Abstract

The utility model relates to the technical field of fermentation liquor treatment, and provides a fermentation liquor filtering and concentrating system which comprises a tank body, a filtering cavity, a heating and concentrating cavity and a collecting cavity are sequentially arranged in the tank body from top to bottom, a filtering mechanism is arranged in the filtering cavity, a concentrating mechanism is arranged in the heating and concentrating cavity, and the lower part of the concentrating mechanism is communicated with the collecting cavity; the filtering mechanism is arranged in the tank body in a lifting manner, a cleaning brush and a driving screw rod are arranged on the inner side of the filtering mechanism, the end part of the cleaning brush is in threaded connection with the driving screw rod, a toothed plate is arranged on the side wall of the filtering cavity, and a gear set is meshed between the toothed plate and the driving screw rod. The filtering mechanism is pulled to be lifted, in the lifting process, through cooperation of a gear set and a toothed plate, a cleaning brush is driven to push impurities to one side, the filtered impurities are more concentrated, cleaning of the impurities is facilitated, the cleaning operation of the filtering mechanism is simplified, and the cleaning efficiency of the filtering system is improved; and the working efficiency of maintenance and cleaning is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fermentation liquid treatment, in particular to a fermentation liquid filtering and concentrating system. Background Art

[0002] Fermentation broth refers to a mixed liquid composed of microbial cells, metabolites, and remaining culture medium produced during the fermentation process of microorganisms.

[0003] In addition to the target product, the fermentation broth also contains a large amount of impurities, such as microbial cells, unconsumed culture medium components (including sugars, proteins, inorganic salts, etc.), metabolic by-products, etc., so the concentrate needs to be filtered before filtration. However, due to the high filtration pressure of the filter when the fermentation broth is concentrated in centralized filtration, the mesh will be clogged after a period of use. Since the filter required for centralized filtration is large and the impurities are widely distributed, it is more troublesome to disassemble and clean the filter mechanism, and the cleaning efficiency of the filtration system is low. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a fermentation liquid filtration and concentration system, which improves the cleaning efficiency of the filtration system and enhances the work efficiency of maintenance and cleaning.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fermentation liquid filtering and concentrating system, comprising a tank body, wherein the interior of the tank body is sequentially provided with a filtering chamber, a heating and concentrating chamber and a collecting chamber from top to bottom, wherein a filtering mechanism is provided in the filtering chamber, a concentrating mechanism is provided in the heating and concentrating chamber, and the lower part of the concentrating mechanism is connected to the collecting chamber;

[0006] The filter mechanism is lifted and arranged in the tank body, and a cleaning brush and a driving screw are arranged inside the filter mechanism. The end of the cleaning brush is threadedly connected to the driving screw, and a tooth plate is arranged on the side wall of the filter chamber, and a gear set is meshed between the tooth plate and the driving screw. The filter mechanism can be lifted by pulling it, and during the lifting process, the cleaning brush is driven to push the impurities on the filter mechanism to one side through the cooperation of the gear set and the tooth plate, so that the filtered impurities are more concentrated, which is convenient for cleaning the impurities, simplifies the cleaning operation of the filter mechanism, and improves the cleaning efficiency of the filter system, and improves the work efficiency of maintenance and cleaning.

[0007] As a preferred embodiment, the filtering mechanism includes a filter frame and a filter screen. The bottom of the filter frame is through-set, the filter screen is fixedly installed at the bottom of the filter frame, and the bottom end of the cleaning brush is in contact with the filter screen.

[0008] As a preferred embodiment, the gear set includes a contact gear and a driven gear meshing with each other, the contact gear also meshes with the tooth plate, and the driving screw penetrates the filter frame and is fixedly connected with the driven gear.

[0009] As a preferred implementation, a concave groove is provided at the lower portion of the filter frame corresponding to the filter screen, and the contact gear and the driven gear are arranged in the groove.

[0010] As a preferred embodiment, a guide rod and a screw rod are provided in the filter chamber, the filter frame is slidably connected to the guide rod, the screw rod is threadedly connected to the filter frame, and a driving motor with an output shaft fixedly connected to the screw rod is fixedly installed on the top of the tank body. The screw rod can be driven to rotate through the driving output of the driving motor, thereby realizing the function of pulling the filter frame to lift.

[0011] As a preferred embodiment, the concentrating mechanism includes a plurality of concentrating tanks installed in a heated concentrating chamber, the concentrating tanks are connected to a filtering chamber via a connecting pipe, a heat exchange tube is provided in the heated concentrating chamber, the heat exchange tube passes through the concentrating tank, and the heat exchange tube is connected to an external heat exchanger to heat the filtered fermentation liquid in the concentrating tank.

[0012] As a preferred embodiment, a concave pressure relief port is provided at the top of the concentration tank, and a waste gas connection joint is fixedly installed on the side wall of the tank body. The waste gas connection joint is connected to an external exhaust pipe. The evaporated gas is pressure-relieved and discharged by setting the pressure relief port, and the waste gas connection joint is convenient for centralized collection and treatment of the waste gas.

[0013] As a preferred embodiment, a collecting tube fixedly connected to the bottom of the concentration box is provided in the collecting chamber, the collecting tube connects the concentration mechanism and the collecting chamber, an electric-controlled valve is provided on the collecting tube, and the concentration box and the collecting chamber are connected by the collecting tube.

[0014] As a preferred embodiment, a drain port is provided on the tank body at the collection chamber, and the discharge of the concentrated fermentation liquid is facilitated by providing the drain port.

[0015] As a preferred embodiment, a control panel is fixedly embedded on the side wall of the tank body, and the control panel is electrically connected to the electrical appliances in the device, so as to facilitate the control of various electrical appliances in the device.

[0016] Compared with the prior art, the advantages and positive effects of the utility model are:

[0017] 1. The filter mechanism can be lifted by pulling it. During the lifting process, the gear set and the tooth plate cooperate to drive the cleaning brush to push the impurities on the filter mechanism to one side, so that the filtered impurities are more concentrated, which is convenient for subsequent manual cleaning of impurities, simplifies the cleaning operation of the filter mechanism, improves the cleaning efficiency of the filter system, and improves the work efficiency of maintenance and cleaning.

[0018] 2. The exhaust gas connection joint is connected to the external exhaust pipe, and the evaporated gas is pressure-released and discharged by setting a pressure relief port. The exhaust gas connection joint is convenient for centralized collection and treatment of the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the fermentation liquid filtration and concentration system provided by the utility model.

[0020] Figure 2 This is a cross-sectional view of the fermentation liquid filtration and concentration system provided by the utility model.

[0021] Figure 3 This is a partial structural sectional view of the fermentation liquid filtration and concentration system provided by the utility model.

[0022] Figure 4 This is a schematic diagram of the splitting mechanism of the fermentation liquid filtration and concentration system provided by the utility model.

[0023] Figure 5 The fermentation liquid filtration and concentration system provided by the utility model Figure 4 A partial enlarged view of point A in the middle.

[0024] Legend:

[0025] 1. Tank body; 2. Exhaust gas connection joint; 3. Control panel; 4. Drive motor; 5. Filter chamber; 6. Heating and concentrating chamber; 7. Collecting chamber; 8. Filter frame; 9. Filter screen; 10. Screw rod; 11. Guide rod; 12. Connecting pipe; 13. Collecting pipe; 14. Electric control valve; 15. Heat exchange tube; 16. Concentration box; 17. Drain port; 18. Pressure relief port; 19. Tooth plate; 20. Cleaning brush; 21. Drive screw; 22. Contact gear; 23. Driven gear. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5The utility model provides a technical solution: a fermentation liquid filtering and concentrating system, comprising a tank body 1, wherein the tank body 1 is provided with a filtering chamber 5, a heating and concentrating chamber 6 and a collecting chamber 7 from top to bottom, wherein a filtering mechanism is provided in the filtering chamber 5, a concentrating mechanism is provided in the heating and concentrating chamber 6, and a collecting mechanism is provided in the collecting chamber 7. The fermentation liquid is filtered by the filtering mechanism in the filtering chamber 5, evaporated and concentrated by the heating and concentrating mechanism in the heating and concentrating chamber 6, and finally enters the collecting chamber 7, and the overall structure is compact.

[0028] A control panel 3 is fixedly embedded on the side wall of the tank body 1, and the control panel 3 is electrically connected to the electrical appliances in the device, so as to facilitate the control of the electrical appliances in each part of the device. An exhaust gas connection joint 2 is installed at the tank body 1 corresponding to the heating and concentration chamber 6. A drain port 17 is installed at the tank body 1 corresponding to the collection chamber 7, and the drain port 17 is provided to facilitate the output of the concentrated fermentation liquid.

[0029] like Figure 2-Figure 3 As shown, the concentrating mechanism includes a plurality of concentrating tanks 16 installed in the heating concentrating chamber 6, a plurality of connecting pipes 12 are arranged between the concentrating tanks 16 and the filtering chamber 5 for communication, a heat exchange tube 15 is arranged in the heating concentrating chamber 6, the heat exchange tube 15 passes through the concentrating tank 16, and the heat exchange tube 15 is connected to an external heat exchanger to heat the filtered fermentation liquid in the concentrating tank 16.

[0030] As for the heating method of the concentration tank 16, it is also possible to directly use an electric heating tube for heating. When using heating evaporation concentration, the temperature must be controlled, and the preferred temperature is 65-67° C. to avoid affecting the quality of the fermentation liquid.

[0031] The top of the concentration tank 16 is provided with a concave pressure relief port 18, through which the evaporated gas is discharged and the exhaust gas connection joint 2 is connected to the external exhaust pipe, through which the exhaust gas connection joint 2 is convenient for centralized collection and treatment of the exhaust gas to protect the surrounding environment. A one-way valve needs to be installed inside the pressure relief port 18, which only allows the gas to be discharged to the outside of the concentration tank 16 through the pressure relief port 18, and does not allow external air to enter the concentration tank 16, so as to ensure product quality.

[0032] The collecting mechanism includes a collecting pipe 13 fixedly installed at the bottom of the concentration tank 16, the lower end of the collecting pipe 13 is inserted into the collecting chamber 7, and the collecting pipe 13 is provided with an electric control valve 14, which connects the concentration tank 16 and the collecting chamber 7. The concentrated fermentation liquid in the concentration tank 16 enters the collecting chamber 7 through the collecting pipe 13, and the timing of opening the electric control valve 14 is selected according to the concentration time or the concentration of the fermentation liquid in the concentration tank 16.

[0033] like Figure 3-Figure 4As shown, a guide rod 11 is provided on at least one pair of corners of the filter chamber 5, and a screw rod 10 is also rotatably connected in the filter chamber 5. The guide rod 11 is slidably connected to the filter frame 8, and the screw rod 10 is threadedly connected to the filter frame 8. A driving motor 4 whose output shaft is fixedly connected to the screw rod 10 is fixedly installed on the top of the tank body 1. The screw rod 10 can be driven to rotate by the driving output of the driving motor 4, thereby realizing the function of pulling the filter frame 8 to lift.

[0034] like Figure 4-Figure 5 A filter frame 8 is slidably connected in the filter chamber 5, the bottom of the filter frame 8 is through-set, and a filter screen 9 is fixedly installed at the through-set, and a cleaning brush 20 is provided on the upper side of the filter screen 9. The cleaning brush 20 can be used to push impurities on the filter screen 9 to one side for subsequent cleaning.

[0035] Specifically, two symmetrically distributed tooth plates 19 are fixedly connected to the side wall of the filter chamber 5, and an inwardly concave groove is provided at the filter frame 8 corresponding to the filter screen 9, and a contact gear 22 and a driven gear 23 are rotatably provided in the groove, and both ends of the contact gear 22 are rotatably connected to the filter frame 8, and the contact gear 22 is meshed with the driven gear 23, and the contact gear 22 is also meshed with the tooth plate 19, and a driving screw 21 is rotatably connected in the filter frame 8, and the driving screw 21 penetrates the filter frame 8 and is fixedly connected to the driven gear 23, and the driving screw 21 is threadedly connected to the cleaning brush 20, and the cleaning brush 20 is screwed to the cleaning brush 20. A limit rod is provided at the other end of the brush 20 to prevent the cleaning brush 20 from deflecting when the driving screw 21 rotates. The bottom end of the cleaning brush 20 is against the filter frame 8 and can be lifted by pulling the filter frame 8. During the lifting process, the contact gear 22 cooperates with the tooth plate 19 to drive the cleaning brush 20 to push the impurities on the filter screen 9 to one side, so that the filtered impurities are more concentrated, which is convenient for manual subsequent cleaning of impurities, simplifies the cleaning operation of the filter mechanism, improves the cleaning efficiency of the filter system, and improves the work efficiency of maintenance and cleaning.

[0036] Working principle: The fermentation liquid is filtered by the filtering mechanism in the filtering chamber 5 and then enters the concentration box 16 in the heating and concentration chamber 6. The fermentation liquid is evaporated and concentrated by heating through the heat exchange tube 15. The evaporated gas is discharged through the pressure relief port 18, and the waste gas is centrally collected and processed through the waste gas connection joint 2. Finally, the concentrated fermentation liquid enters the collection chamber 7.

[0037] During the filtering process of the filtering mechanism, impurities remain on the filter screen 9. When cleaning the filter screen 9, the lead screw 10 is driven to rotate by the driving motor 4 to adjust the height of the filter frame 8. In the process of lifting the filter frame 8, the contact gear 22 contacts the tooth plate 19, so that the contact gear 22 rotates, and cooperates with the driven gear 23 to drive the driving screw 21 to rotate, and drives the cleaning brush 20 to push the impurities on the filter screen 9 to one side, so that the filtered impurities are more concentrated, which is convenient for cleaning impurities, simplifies the cleaning operation of the filtering mechanism, and improves the cleaning efficiency of the filtering system, thereby improving the work efficiency of maintenance and cleaning.

[0038] The contact gear 22, the driven gear 23 and the tooth plate 19 in this embodiment are preferably made of non-metallic materials to avoid contamination of the fermentation liquid due to rust during use.

[0039] In other embodiments, in order to ensure reliable movement of the cleaning brush 20, a preferred method is to respectively provide a driving screw 21 on both sides of the filter frame 8, and the two ends of the cleaning brush 20 are respectively threadedly connected to a driving screw 21, and tooth plates 19 are provided on the side walls on both sides of the filter chamber 5, thereby ensuring that the two ends of the cleaning brush 20 can move synchronously.

[0040] Similarly, in order to ensure reliable lifting and lowering of the filter frame 8, two sets of screw rods 10 can be set at the diagonals of the filter chamber 5. The two sets of screw rods 10 can be connected by a sprocket chain or a synchronous belt to achieve synchronous rotation of the two sets of screw rods 10.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A fermentation broth filtration and concentration system, characterized in that: The invention comprises a tank body (1), wherein the interior of the tank body (1) comprises, from top to bottom, a filtering chamber (5), a heating and concentrating chamber (6), and a collecting chamber (7); a filtering mechanism is arranged in the filtering chamber (5); a concentrating mechanism is arranged in the heating and concentrating chamber (6); and the lower part of the concentrating mechanism is connected to the collecting chamber (7); The filter mechanism is arranged in a lifting manner in the tank body (1), a cleaning brush (20) and a driving screw (21) are arranged on the inner side of the filter mechanism, the end of the cleaning brush (20) is threadedly connected to the driving screw (21), a tooth plate (19) is arranged on the side wall of the filter chamber (5), and a gear set is meshed between the tooth plate (19) and the driving screw (21).

2. The fermentation liquid filtration and concentration system according to claim 1, characterized in that: The filtering mechanism comprises a filter frame (8) and a filter screen (9); the bottom of the filter frame (8) is through-set; the filter screen (9) is fixedly mounted on the bottom of the filter frame (8); and the bottom end of the cleaning brush (20) is in contact with the filter screen (9).

3. The fermentation liquid filtration and concentration system according to claim 2, characterized in that: The gear set comprises a contact gear (22) and a driven gear (23) which mesh with each other. The contact gear (22) also meshes with the toothed plate (19). The driving screw (21) passes through the filter frame (8) and is fixedly connected to the driven gear (23).

4. The fermentation liquid filtration and concentration system according to claim 3, characterized in that: A concave groove is provided at the lower part of the filter frame (8) corresponding to the filter screen (9), and the contact gear (22) and the driven gear (23) are arranged in the groove.

5. The fermentation liquid filtration and concentration system according to claim 2, characterized in that: A guide rod (11) and a screw rod (10) are provided in the filter chamber (5); the filter frame (8) is slidably connected to the guide rod (11); the screw rod (10) is threadedly connected to the filter frame (8); and a drive motor (4) having an output shaft fixedly connected to the screw rod (10) is fixedly mounted on the top of the tank body (1).

6. The fermentation liquid filtration and concentration system according to claim 1, characterized in that: The concentrating mechanism comprises a plurality of concentrating boxes (16) installed in a heating and concentrating chamber (6); the concentrating boxes (16) are connected to the filtering chamber (5) via a connecting pipe (12); a heat exchange tube (15) is provided in the heating and concentrating chamber (6); the heat exchange tube (15) passes through the concentrating box (16); and the heat exchange tube (15) is connected to an external heat exchanger.

7. The fermentation liquid filtration and concentration system according to claim 6, characterized in that: The top of the concentration box (16) is provided with a concave pressure relief port (18), and the side wall of the tank body (1) is fixedly mounted with an exhaust gas connection joint (2), and the exhaust gas connection joint (2) is connected to an external exhaust pipe.

8. The fermentation liquid filtration and concentration system according to claim 1, characterized in that: A collecting tube (13) fixedly connected to the bottom of the concentration box (16) is provided in the collecting chamber (7); the collecting tube (13) communicates with the concentration mechanism and the collecting chamber (7); an electric control valve (14) is provided on the collecting tube (13).

9. The fermentation liquid filtration and concentration system according to claim 1 or 8, characterized in that: A liquid discharge port (17) is provided on the tank body (1) at the collecting chamber (7).

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