Plate and frame filter for biological enzyme rough filtration

The plate and frame filter design with bidirectional feeding and pressurized storage tank mode solves the problem of uneven distribution of filter aid, achieves high-efficiency filtration and equipment protection, and improves enzyme yield and equipment reliability.

CN224024356UActive Publication Date: 2026-03-24HUNAN LERKAM BIOLOGICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing unidirectional feed plate and frame filters result in uneven distribution and thickness of the filter aid on the filter cloth or filter membrane, affecting the filtration effect of the biological enzyme solution and easily causing the vacuum pump to run dry and be damaged.

Method used

The design employs a bidirectional feeding system, with the first and second feed pipes connecting to the two ends of the plate and frame filter assembly respectively. Combined with the pressurized storage tank feeding mode, this achieves uniform distribution of the filter aid on the filter cloth or filter membrane, preventing local accumulation, protecting the filter aid layer, and reducing equipment failure rate.

Benefits of technology

It improves filtration efficiency, prevents localized buildup of filter aids, reduces equipment malfunctions, and extends equipment lifespan and enzyme yield.

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Abstract

The utility model relates to the technical field of plate and frame filter equipment, in particular to a plate and frame filter for biological enzyme rough filtration, which comprises a frame body, a feeding component and a plate and frame filter component, the frame body is provided with the plate and frame filter component, the feeding component comprises a four-way joint, a first feeding pipe and a second feeding pipe, the first feeding pipe and the second feeding pipe are in butt joint with the four-way connector, a discharging port of the first feeding pipe is communicated with one end of the plate frame filtering assembly, a discharging port of the second feeding pipe is communicated with the other end of the plate frame filtering assembly, and a feeding main pipe of the four-way connector is used for being connected with a vacuum pump. A discharge port of a first feed pipe and a discharge port of a second feed pipe in the device are respectively connected with two ends of a plate frame filter assembly, so that the uniformity of a filter aid on filter cloth in a plate frame is greatly improved, local accumulation of the filter aid is prevented, efficient filtration is realized, the vacuum pump idling damage can be prevented by adopting a pressurized storage tank for feeding, the yield is improved, and the production cost is reduced. And the failure rate of equipment is also reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plate and frame filter equipment, especially to a plate and frame filter for biological enzyme rough filtration. BACKGROUND

[0002] The plate and frame filter is a kind of commonly used filter equipment, and is mainly used for rough filtration of biological enzyme preparation produced by enterprises, to filter out some insoluble residues in enzyme preparation.The filtering principle of the plate and frame filter is that the plate and frame filter generally has multiple sets of plate and frame, filter cloth or filter membrane is filled in the filter chamber of each layer of plate and frame, and a layer of filter aid is coated on the filter cloth or filter membrane to achieve better filtering effect.However, the existing one-way feeding filter causes the uneven thickness of the filter aid on the filter cloth or filter membrane during the filtration process, thereby affecting the filtration effect of biological enzyme liquid.The patent document with application number 202320951801.0 discloses a plate and frame filter, which is a one-way feeding filter, and has the problems of uneven thickness of the filter aid on the filter cloth or filter membrane during the filtration process and poor filtering effect. SUMMARY

[0003] To solve the above technical problems in the prior art, the utility model provides a plate and frame filter for biological enzyme rough filtration.

[0004] To achieve the above purpose, the utility model provides a plate and frame filter for biological enzyme rough filtration, which comprises a frame body, a feeding assembly and a plate and frame filter assembly.The plate and frame filter assembly is arranged on the frame body.The feeding assembly comprises a four-way joint, a first feeding pipe and a second feeding pipe.The first feeding pipe and the second feeding pipe are respectively connected to the four-way joint.The discharge port of the first feeding pipe is communicated with one end of the plate and frame filter assembly, and the discharge port of the second feeding pipe is communicated with the other end of the plate and frame filter assembly.The feeding main pipe of the four-way joint is used to connect a vacuum pump.The plate and frame filter for biological enzyme rough filtration provided by the utility model realizes bidirectional feeding by connecting the discharge ports of the first feeding pipe and the second feeding pipe to the two ends of the plate and frame filter assembly, thereby greatly improving the uniformity of the filter aid on the filter cloth in the plate and frame, preventing the local accumulation of the filter aid on the filter cloth or filter membrane, improving the filtering effect, realizing efficient filtration, and achieving uniformity of the feeding speed through the pressurized storage tank feeding mode.The pressurized storage tank feeding mode can also prevent the vacuum pump from being damaged by idling, and is convenient for collecting enzyme liquid, thereby improving the yield and reducing the failure rate of the equipment.The friendliness is particularly prominent for small-volume separation.

[0005] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the plate-and-frame filter assembly comprises multiple groups of plate-and-frame and fixed shafts arranged in sequence, the plate-and-frame of each layer is arranged on the fixed shafts at both sides, the fixed shafts are connected with the frame body through the fixed part, and filter cloth or filter membrane is arranged in the filter chamber of each layer of plate-and-frame, and filter aid is coated on the filter cloth or filter membrane to facilitate filtration.

[0006] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the plate-and-frame filter assembly further comprises a threaded rod and a handle, one end of the threaded rod is connected with the clamping plate at the end of the plate-and-frame, the threaded rod passes through the fixed part, and the other end of the threaded rod is connected with the handle, multiple groups of plate-and-frame are installed by adjusting the handle and the threaded rod, and when the filter residue in the plate-and-frame needs to be cleaned, the filter cloth or filter membrane in the plate-and-frame can be replaced in time.

[0007] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the bottom of the plate-and-frame filter assembly is connected with an enzyme liquid outlet pipe to facilitate collection of filtered enzyme liquid.

[0008] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the top of the plate-and-frame filter assembly is connected with a diaphragm pressure gauge, and the diaphragm pressure gauge is arranged to avoid blockage of the filter material and acid-alkali corrosion affecting the measurement accuracy, thereby improving the service life.

[0009] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the four-way joint further comprises a fourth branch pipe, and the fourth branch pipe is used for connecting a pressurized storage tank, and the pressurized storage tank is connected for feeding and blow-drying.

[0010] As an optional embodiment, in the plate-and-frame filter for biological enzyme rough filtration, the frame body is provided with a residual liquid collecting basin, and the residual liquid collecting basin is arranged at the bottom of the plate-and-frame filter assembly to collect residual enzyme liquid in the plate-and-frame filter assembly.

[0011] Compared with the prior art, the technical scheme of the plate-and-frame filter for biological enzyme rough filtration has the following beneficial effects:

[0012] The plate and frame filter for biological enzyme rough filtration has the advantages that the first feeding pipe and the second feeding pipe are arranged, the discharge port of the first feeding pipe and the discharge port of the second feeding pipe are connected with the two ends of the plate and frame filter assembly respectively, bidirectional feeding is realized, the instantaneous pressure and the impact force in the plate and frame during pump liquid conveying are greatly reduced, the distribution thickness of the filter aid on the filter cloth or the filter membrane is uniform during the filtering process, the uniformity of the filter aid on the filter cloth in the plate and frame is improved, local accumulation of the filter aid on the filter cloth or the filter membrane is prevented, the filtering effect is improved, efficient filtration is realized, the filter aid layer is also protected, in addition, the uniformity of the feeding speed is realized through the pressurized storage tank feeding mode, the pressurized storage tank feeding mode can also prevent damage of the vacuum pump due to idling, the yield is improved, the failure rate of the equipment is reduced, and the friendliness is particularly prominent for small-volume separation. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0014] Figure 1 The structure diagram of the plate and frame filter for biological enzyme rough filtration provided by the present application.

[0015]

Explanation of the drawings

[0016] 1, frame body;

[0017] 2, feeding assembly; 21, four-way joint; 22, first feeding pipe; 23, second feeding pipe; 24, feeding main pipe; 25, fourth branch pipe;

[0018] 3, plate and frame filter assembly; 31, plate and frame; 32, fixed shaft; 33, fixed part; 34, threaded rod; 35, handle; 36, enzyme liquid outlet pipe;

[0019] 4, diaphragm pressure gauge; 5, residual liquid collection basin; 6, on-off valve; 7, vacuum pump. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] It should be noted that all the directionality indications such as first, second, upper, lower, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture as shown in the drawings, and if the specific posture changes, the directionality indications will also change accordingly.

[0022] In addition, the technical solutions of the various embodiments of the present application can be combined with each other, but must be based on the fact that a person having ordinary skill in the art can implement them, and when the combination of the technical solutions contradicts each other or cannot be implemented, it should be considered that the combination of the technical solutions does not exist and is not within the protection scope required by the present application.

[0023] The present application provides a kind of for biological enzyme rough filtration plate and frame filter, as shown in figure Figure 1 It includes: frame body 1, feed assembly 2 and plate and frame filter assembly 3, frame body 1 is equipped with plate and frame filter assembly 3, feed assembly 2 includes four-way joint 21, first feed pipe 22 and second feed pipe 23, first feed pipe 22 and second feed pipe 23 are respectively with four-way joint 21 butt joint, the discharge port of first feed pipe 22 is communicated with one end of plate and frame filter assembly 3, the discharge port of second feed pipe 23 is communicated with the other end of plate and frame filter assembly 3, the feed main pipe 24 of four-way joint 21 is used to connect vacuum pump, the plate and frame filter for biological enzyme rough filtration provided by the present application, by setting first feed pipe 22 and second feed pipe 23, the discharge port of first feed pipe 22 and the discharge port of second feed pipe 23 are connected with the two ends of plate and frame filter assembly 3 respectively, to realize bidirectional feeding, greatly reduce the instantaneous pressure and impact force in plate and frame when pump liquid is transported, simultaneously make the distribution thickness of filter aid on filter cloth or filter membrane uniform in the process of filtration, improve the uniformity of filter aid on filter cloth in plate and frame, prevent filter aid from local accumulation on filter cloth or filter membrane, improve the filtering effect, to realize high-efficiency filtration, also can play the role of protecting filter aid layer, in addition, the uniformity of feeding speed is realized by pressurized storage tank feeding mode, pressurized storage tank feeding mode can also prevent vacuum pump from being damaged by idling, improve yield, also reduce the failure rate of equipment, for small volume separation, friendliness is particularly prominent.

[0024] As shown in figure Figure 1 In the plate and frame filter for biological enzyme rough filtration provided by the present application, plate and frame filter assembly 3 includes multiple groups of plate and frame 31 and fixed shaft 32 arranged in sequence, both sides of each layer of plate and frame 31 are erected on fixed shaft 32, fixed shaft 32 is threadedly connected with frame body 1 through fixed part 33, filter cloth or filter membrane is arranged in the filter chamber of each layer of plate and frame 31, filter aid is coated on filter cloth or filter membrane, to facilitate filtration.

[0025] In addition, in the plate-and-frame filter for biological enzyme rough filtration, the plate-and-frame filtration assembly 3 further comprises a threaded rod 34 and a handle 35, one end of the threaded rod 34 is connected with the clamping plate at the end of the plate-and-frame 31, the threaded rod 34 passes through the fixed part 33 and the other end of the threaded rod 34 is connected with the handle 35, a plurality of plate-and-frames 31 can be installed by adjusting the handle 35 and the threaded rod 34, and when the filter residue in the plate-and-frame 31 needs to be cleaned, the filter cloth or filter membrane in the plate-and-frame 31 can be replaced in time.

[0026] As shown in the plate-and-frame filter for biological enzyme rough filtration, the bottom of the plate-and-frame filtration assembly 3 is connected with an enzyme liquid outlet pipe 36, so as to collect the filtered enzyme liquid. Figure 1

[0027] Further, in the plate-and-frame filter for biological enzyme rough filtration, the top of the plate-and-frame filtration assembly 3 is connected with a diaphragm pressure gauge 4, and the diaphragm pressure gauge 4 is arranged, so that the measurement accuracy of the filter material is not affected by the blockage and acid-alkali corrosion, and the service life is improved.

[0028] Preferably, in the plate-and-frame filter for biological enzyme rough filtration, the four-way joint 21 further comprises a fourth branch pipe 25, and the fourth branch pipe 25 is used for connecting a pressurized storage tank, specifically, the four-way joint is used for connecting a vacuum pump, the pressurized storage tank, the first feeding pipe and the second feeding pipe, and the pressurized storage tank is connected for feeding and blow-drying, the plate-and-frame filter for biological enzyme rough filtration can feed through the pressurized storage tank and the vacuum pump, the fourth branch pipe 25 is connected with the pressurized storage tank for pressurized conveying to feed the material to the first feeding pipe and the second feeding pipe and then into the plate-and-frame filtration assembly for filtration, so that the uniformity of the feeding speed is realized, the pressurized storage tank feeding mode can prevent the vacuum pump from being damaged by idling, and the vacuum pump can also be connected with the first feeding pipe and the second feeding pipe through the feeding main pipe to feed the material into the plate-and-frame filtration assembly for filtration, so as to adapt to various application scenarios.

[0029] Preferably, the first feeding pipe 22, the second feeding pipe 23, the feeding main pipe 24, the fourth branch pipe 25 and the enzyme liquid outlet pipe 36 are all provided with a switch valve 6.

[0030] In addition, in the plate-and-frame filter for biological enzyme rough filtration, a residual liquid collecting basin 5 is arranged on the frame body 1, and the residual liquid collecting basin 5 is arranged at the bottom of the plate-and-frame filtration assembly 3, so as to collect the residual enzyme liquid in the plate-and-frame filtration assembly 3.

[0031] ​The use process of the plate and frame filter for biological enzyme coarse filtration is that the pressurized storage tank or vacuum pump directly conveying biological enzyme preparation while conveying the biological enzyme preparation into the plate and frame filter assembly through the first feeding pipe and the second feeding pipe for coarse filtration, the first feeding pipe and the second feeding pipe simultaneously feeding into the plate and frame from both ends of the plate and frame filter assembly, realizing bidirectional feeding, greatly reducing the instantaneous pressure and impact force in the plate and frame during pump liquid conveying, simultaneously making the distribution thickness of the filter aid on the filter cloth or filter membrane uniform during the filtration process, greatly improving the uniformity of the filter aid on the filter cloth in the plate and frame, preventing the filter aid from locally accumulating on the filter cloth or filter membrane, so as to improve the filtration effect, realize efficient filtration, and also play a role in protecting the filter aid layer.

[0032] It should be understood that the above description of the specific embodiments of the utility model is only for the purpose of illustrating the technical route and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, but the utility model is not limited to the above specific implementation mode. Any changes or modifications made within the scope of the claims of the utility model should be covered within the protection scope of the utility model.

Claims

1. A plate-and-frame filter for biological enzyme rough filtration, characterized by, The application relates to a plate-and-frame filter assembly, which comprises a frame body (1), a feeding assembly (2) and a plate-and-frame filter assembly (3), the plate-and-frame filter assembly (3) is arranged on the frame body (1), the feeding assembly (2) comprises a four-way joint (21), a first feeding pipe (22) and a second feeding pipe (23), the first feeding pipe (22) and the second feeding pipe (23) are respectively connected with the four-way joint (21), the discharge port of the first feeding pipe (22) is communicated with one end of the plate-and-frame filter assembly (3), the discharge port of the second feeding pipe (23) is communicated with the other end of the plate-and-frame filter assembly (3), and the feeding main pipe (24) of the four-way joint (21) is used for connecting a vacuum pump.

2. The plate-and-frame filter for crude filtration of bioenzymes according to claim 1, characterized in that, The plate-and-frame filter assembly (3) comprises a plurality of groups of plate frames (31) and fixing shafts (32) arranged in sequence, the plate frames (31) on each layer are arranged on the fixing shafts (32) on both sides, the fixing shafts (32) are threadedly connected with the frame body (1) through fixing portions (33), filter cloth or filter membranes are arranged in filter chambers of the plate frames (31) on each layer, and filter aids are coated on the filter cloth or filter membranes.

3. The plate-and-frame filter for crude filtration of bioenzymes according to claim 2, characterized in that, The plate-and-frame filter assembly (3) further comprises a threaded rod (34) and a handle (35), one end of the threaded rod (34) is connected with a clamping plate at the end of the plate frame, the threaded rod (34) penetrates through the fixing portion (33), and the other end of the threaded rod (34) is connected with the handle (35).

4. The plate-and-frame filter for crude filtration of bioenzymes according to claim 1, characterized in that, The plate-and-frame filter assembly (3) is connected with an enzyme liquid outlet pipe (36) at the bottom.

5. The plate-and-frame filter for crude filtration of bioenzymes according to claim 1, characterized in that, The plate-and-frame filter assembly (3) is connected with a diaphragm pressure gauge (4) at the top.

6. The plate-and-frame filter for crude filtration of bioenzymes according to claim 1, characterized in that, The four-way joint (21) further comprises a fourth branch pipe (25), and the fourth branch pipe (25) is used for connecting a pressurized storage tank.

7. The plate-and-frame filter for crude filtration of bioenzymes according to claim 1, characterized in that, The frame body (1) is provided with a residual liquid collecting basin (5), and the residual liquid collecting basin (5) is arranged at the bottom of the plate-and-frame filter assembly (3).

Citation Information

Patent Citations

  • Plate and frame filter

    CN219836154U