Multi-stage filter pressing device for purifying L-valine

Abstract

The utility model discloses a multi-stage filter pressing device for purifying L-valine, and belongs to the technical field of multi-stage filter pressing. The multistage filter pressing device for L-valine purification comprises a filter pressing tank body, a hydraulic assembly is arranged at the top of the filter pressing tank body, a feeding port is formed in one side of the filter pressing tank body, a torsional spring flashboard is arranged in the feeding port, and the torsional spring flashboard is rotationally connected with the feeding port. In order to solve the problems that an existing L-valine purification device and an existing L-valine purification method are single in structure, a large number of solid impurities are doped in a prepared solution, the solid impurities cannot be effectively removed through a traditional filtering mode, and therefore the quality of finished L-valine is uneven, the L-valine purification device conveys the solution into a filter pressing cavity, and the filter pressing cavity is used for filtering the solid impurities. Then external pressure is applied through the hydraulic assembly, so that the solution is extruded and filtered through the filter element sleeve, and the filtered solution enters the filtrate cavity to be stored and discharged, so that the quality of the L-valine finished product can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage filter pressing, in particular to a multi-stage filter pressing device for purifying L-valine. Background Art

[0002] L-valine is an essential amino acid for the human body. It has the functions of maintaining the normal functioning of the nervous system, enhancing immunity, and promoting liver regeneration. When the human body lacks L-valine, it is easy to cause growth stagnation and movement disorders.

[0003] The existing L-valine purification equipment and purification method have a relatively simple structure, and the prepared solution is doped with a large amount of solid impurities, which cannot be effectively removed by traditional filtering methods, resulting in uneven quality of the finished L-valine. Utility Model Content

[0004] The utility model aims to provide a multi-stage filter press device for purifying L-valine, wherein a solution is transported to a filter press chamber, and then external pressure is applied by a hydraulic component to squeeze the solution through a filter element kit to complete filtering, and the filtered solution enters a filtrate chamber for storage and discharge, thereby improving the quality of the L-valine product and solving the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage filter press device for purifying L-valine, comprising a filter press tank body, a hydraulic assembly is arranged on the top of the filter press tank body, wherein a feed port is arranged on one side of the filter press tank body, a torsion spring gate is arranged inside the feed port, the torsion spring gate is rotatably connected to the feed port, a discharge port is arranged at the bottom of the filter press tank body, a foot support is arranged on the outside of the bottom of the filter press tank body, wherein a liquid expansion port is arranged inside the discharge port, and a tapered groove is arranged at the connection between the outside of the liquid expansion port and the filter press tank body.

[0006] Furthermore, a filter press chamber is provided inside the filter press tank body, and a filter element kit is provided inside the filter press chamber, wherein a filtrate chamber is provided below the filter press chamber, and a sealing chamber is provided above the filter press chamber.

[0007] Furthermore, the hydraulic component is installed inside the sealed cavity, wherein a piston connecting rod is provided inside the hydraulic component, and an oil pressure interface is provided at one end of the hydraulic component.

[0008] Furthermore, a pressure plate is provided at one end of the hydraulic assembly, the pressure plate is located inside the filter press cavity, and the filter element kit is connected to the filter press tank body by bolts.

[0009] Furthermore, a layer filter plate is arranged inside the filter element kit, and the layer filter plate is connected to the filter element kit via a slot, wherein fillers are arranged between the layer filter plates.

[0010] Furthermore, a guide bottom plate is provided at the bottom of the filter element kit, and the guide bottom plate is located directly above the discharge port.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model delivers the solution to the filter press chamber, and then applies external pressure through the hydraulic assembly to squeeze the solution through the filter element kit to complete the filtration. The filtered solution enters the filtrate chamber for storage and discharge, which can improve the quality of the L-valine finished product;

[0013] 2. In the utility model, a liquid expansion port is arranged inside the discharge port, and a conical groove is arranged at the connection between the outer side of the liquid expansion port and the filter press tank body. The liquid expansion port is higher than the ground plane of the filter press tank body, so that the filtered solution will accumulate first when dripping into the filtrate cavity. At this time, a small amount of solid impurities remaining in the solution can be precipitated in the conical groove. When the liquid level exceeds the liquid expansion port, the clear liquid above will be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0016] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at B.

[0018] In the figure: 1. filter press tank; 2. hydraulic assembly; 3. filter element kit; 101. foot support; 102. discharge port; 103. feed port; 104. filtrate chamber; 105. filter press chamber; 106. sealing chamber; 1021. expansion port; 1022. conical groove; 1031. torsion spring gate; 1051. pressure plate; 201. piston connecting rod; 202. oil pressure interface; 301. filter plate; 302. guide bottom plate. DETAILED DESCRIPTION

[0019] 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.

[0020] In order to solve the problem that the existing L-valine purification equipment and purification method have a relatively simple structure, and the prepared solution is doped with a large amount of solid impurities, which cannot be effectively removed by traditional filtering methods, resulting in uneven quality of the finished L-valine; please refer to Figure 1-4 , the utility model provides the following solutions:

[0021] A multi-stage filter press device for purifying L-valine comprises a filter press tank body 1, a hydraulic assembly 2 is arranged on the top of the filter press tank body 1, wherein a feed port 103 is arranged on one side of the filter press tank body 1, a torsion spring gate plate 1031 is arranged inside the feed port 103, the torsion spring gate plate 1031 is rotatably connected with the feed port 103, when the solution is input, the torsion spring gate plate 1031 is opened under the action of pressure, and the torsion spring gate plate 1031 is closed after the delivery is stopped, so that the backflow can be avoided under the action of the pressure of the pressure plate 1051, and the bottom of the filter press tank body 1 A discharge port 102 is provided, and a foot support 101 is provided on the outer side of the bottom of the filter press tank body 1, wherein a liquid expansion port 1021 is provided inside the discharge port 102, and a conical groove 1022 is provided at the connection between the outer side of the liquid expansion port 1021 and the filter press tank body 1, and the liquid expansion port 1021 is higher than the ground plane of the filter press tank body 1, so that the filtered solution will first accumulate when dripping into the filtrate chamber 104, and at this time, a small amount of solid impurities remaining in the solution can be precipitated in the conical groove 1022, and when the liquid level exceeds the liquid expansion port 102, the clear liquid above will be discharged;

[0022] A filter press chamber 105 is provided inside the filter press tank body 1, and a filter element set 3 is provided inside the filter press chamber 105, wherein a filtrate chamber 104 is provided below the filter press chamber 105, and a sealing chamber 106 is provided above the filter press chamber 105, the solution is transported to the filter press chamber 105, and then external pressure is applied by the hydraulic component 2 to squeeze the solution through the filter element set 3 to complete the filtration, and the filtered solution enters the filtrate chamber 104 for storage and discharge, which can improve the quality of the L-valine finished product;

[0023] The hydraulic assembly 2 is installed inside the sealed cavity 106, and filter holes are arranged on the upper and lower surfaces of the hydraulic assembly 2, wherein a piston connecting rod 201 is arranged inside the hydraulic assembly 2, an oil pressure interface 202 is arranged at one end of the hydraulic assembly 2, and a pressing plate 1051 is arranged at one end of the hydraulic assembly 2, and the pressing plate 1051 is located inside the filter press cavity 105, the filter element kit 3 is connected to the filter press tank body 1 by bolts, and the oil pressure interface 202 is connected to the external oil circuit, and during operation, the piston connecting rod 201 drives the pressing plate 1051 to descend to squeeze the solution;

[0024] A layer filter plate 301 is arranged inside the filter element kit 3, and the layer filter plate 301 is connected to the filter element kit 3 through a card slot, wherein fillers are arranged between the layer filter plates 301, and the layer filter plates 301 cooperate with the fillers to effectively filter the solution passing through, and intercept and filter the impurities doped in the L-valine solution, and a guide bottom plate 302 is arranged at the bottom of the filter element kit 3, and the guide bottom plate 302 is located directly above the discharge port 102, and there is no filter hole design on the surface of the guide bottom plate 302, and the guide bottom plate 302 can prevent the filtered solution from dripping directly into the discharge port 102.

[0025] Working principle: the oil pressure interface 202 is connected to the external oil circuit. During operation, the piston connecting rod 201 drives the pressure plate 1051 to descend to squeeze the solution. The layer filter plate 301 cooperates with the filler to effectively filter the solution passing through, intercept and filter the impurities doped in the L-valine solution, and the filtered solution is discharged through the tiny filter holes on the surface of the hydraulic component 2, while the guide bottom plate 302 at the bottom of the filter element kit 3 has no filter hole design on its surface. The guide bottom plate 302 can prevent the filtered solution from dripping directly into the discharge port 102. The filtered solution will accumulate first when dripping into the filtrate cavity 104. At this time, the small amount of solid impurities remaining in the solution can be precipitated in the conical edge groove 1022. When the liquid level exceeds the expansion port 1021, the clear liquid above will be discharged.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage filter press device for purifying L-valine, characterized in that: The invention comprises a filter press tank body (1), wherein a feed port (103) is arranged on one side of the filter press tank body (1), a torsion spring gate plate (1031) is arranged inside the feed port (103), and the torsion spring gate plate (1031) is rotatably connected to the feed port (103); a discharge port (102) is arranged at the bottom of the filter press tank body (1), and a foot support (101) is arranged on the outside of the bottom of the filter press tank body (1), wherein a liquid expansion port (1021) is arranged inside the discharge port (102), and a conical groove (1022) is arranged at the connection between the outside of the liquid expansion port (1021) and the filter press tank body (1); a filter press chamber (105) is arranged inside the filter press tank body (1), and a filter element kit (3) is arranged inside the filter press chamber (105), wherein a filtrate chamber (104) is arranged below the filter press chamber (105), and a sealing chamber (106) is arranged above the filter press chamber (105).

2. A multi-stage filter press device for purifying L-valine according to claim 1, characterized in that: A hydraulic assembly (2) is arranged on the top of the filter press tank body (1), wherein a piston connecting rod (201) is arranged inside the hydraulic assembly (2), and an oil pressure interface (202) is arranged at one end of the hydraulic assembly (2).

3. A multi-stage filter press device for purifying L-valine according to claim 2, characterized in that: A pressure plate (1051) is provided at one end of the hydraulic assembly (2); the pressure plate (1051) is located inside the filter press cavity (105); and the filter element assembly (3) is connected to the filter press tank body (1) via bolts.

4. A multi-stage filter press device for purifying L-valine according to claim 1, characterized in that: A layer filter plate (301) is arranged inside the filter element kit (3), and the layer filter plate (301) is connected to the filter element kit (3) via a slot.

5. A multi-stage filter press device for purifying L-valine according to claim 1, characterized in that: A flow guide bottom plate (302) is provided at the bottom of the filter element kit (3), and the flow guide bottom plate (302) is located directly above the discharge port (102).

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