Precise safe filtering system for liquid carbon dioxide

Abstract

The utility model discloses a precise safe filtering system for liquid carbon dioxide, which comprises a first pipeline and a second pipeline, opposite ends of the first pipeline and the second pipeline are connected with flange plates, one side of the first pipeline is connected with a liquid inlet pipe in a penetrating manner, one side of the second pipeline is connected with a liquid outlet pipe in a penetrating manner, and the flange plates are connected with the flange plates. According to the utility model, through the arrangement of the filter assembly structure, liquid can enter the inner wall of the cylindrical filter screen through the connecting cylinder in the process of filtering the liquid, so that the liquid is filtered by the cylindrical filter screen, and in the process, the liquid can enter the inner wall of the cylindrical filter screen through the connecting cylinder; the annular block and the concave block outside the cylindrical filter screen can support the cylindrical filter screen, so that the cylindrical filter screen is effectively prevented from being deformed and broken under liquid stamping, normal use of the flange filter is facilitated, the product quality of the flange filter is greatly improved, and the durability of the flange filter is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical process equipment, and in particular relates to a precise and safe filtering system for liquid carbon dioxide. Background Art

[0002] In the carbon dioxide process of food additives, the raw materials basically need to go through the process of removing heavy components (adsorbent adsorption of heavy components, catalytic oxidation to remove heavy components), removing light components (distillation purification), and obtaining qualified products, which are stored in storage tanks. In order to ensure the quality of products leaving the factory, a filtration system will be installed in the pipeline before the products are loaded to prevent impurities in the products from being brought into the tank truck, causing the product to be unqualified.

[0003] During the filtration process, the existing flange filter has a thin filter screen, which is prone to rupture and deformation under the pressure of large liquid flows. This is not conducive to the normal use of the flange filter, greatly affecting the product quality of the flange filter and reducing the durability of the flange filter. At the same time, the existing flange filter has a complex structure and is not convenient to replace. Summary of the Invention

[0004] The purpose of the utility model is to provide a precise and safe filtering system for liquid carbon dioxide, so as to solve the problems of poor durability, inconvenience in cleaning and replacement of existing flange filters.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision and safe filtering system for liquid carbon dioxide, comprising: a first pipe and a second pipe, wherein the opposite ends of the first pipe and the second pipe are connected to flanges, one side of the first pipe is connected to a liquid inlet pipe, and one side of the second pipe is connected to a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are both installed with a switch valve, and one side of the first pipe is installed with a pressure relief valve; a filter assembly, wherein the filter assembly is arranged inside the second pipe, the filter assembly includes a fixed seat, the two fixed seats are respectively connected to the inner walls of the two flanges, and the two fixed seats are connected to a connecting cylinder, one side of the connecting cylinder is connected to a cylindrical filter screen, the outer wall of the cylindrical filter screen is connected to a plurality of annular blocks, and the outside of the cylindrical filter screen is connected to a concave block, and the two ends of the concave block are connected to one side of the connecting cylinder; a disassembly and assembly assembly, wherein the disassembly and assembly assembly is arranged on one side of the fixed seat and the connecting cylinder.

[0006] Preferably, the disassembly and assembly component includes an annular plate, which is connected to one side of the connecting tube, a through groove is opened in the center of the fixing seat, the connecting tube passes through the fixing seat through the through groove, and two screws are symmetrically connected to one side of the fixing seat, one end of the two screws passes through the annular plate, and the two screws pass through one end of the annular plate and are threadedly connected to an annular limit plate.

[0007] Preferably, a support plate is provided inside the second pipe, one side of the support plate is connected to a docking sleeve, and one side of the concave block is connected to a docking block that matches the docking sleeve.

[0008] Preferably, a sealing gasket is provided on the inner wall of the through groove.

[0009] Preferably, the outer wall of the connecting tube is connected to a plurality of positioning blocks, and the inner wall of the through groove is provided with a plurality of positioning grooves that match the positioning blocks.

[0010] Preferably, a plurality of arc grooves are formed on the outer wall of the annular limiting plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) The utility model sets a filter assembly. During the process of filtering the liquid, the filter assembly will enter the inner wall of the cylindrical filter through the connecting cylinder, so that the cylindrical filter can filter the liquid. During this process, the annular blocks and concave blocks on the outside of the cylindrical filter can support the cylindrical filter, effectively avoiding the deformation and rupture of the cylindrical filter under the pressure of the liquid, which is beneficial to the normal use of the flange filter, greatly improving the product quality of the flange filter and enhancing the durability of the flange filter.

[0013] (2) The utility model provides a disassembly assembly component. When the cylindrical filter needs to be disassembled, the annular limit plate is screwed to disengage the annular limit plate from one end of the screw, so that the annular plate is released from the fixed seat. Then, the annular plate is pulled outward, so that the annular plate drives the cylindrical filter to move outward through the through groove, thereby realizing rapid disassembly of the cylindrical filter, improving the disassembly and assembly efficiency of the cylindrical filter, facilitating regular cleaning and replacement of the filter, and improving the convenience of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 for Figure 1 A magnified view of point A;

[0016] Figure 3 This is a partial left view of the second pipeline of the utility model;

[0017] Figure 4 This is a partial right side cross-sectional view of the second pipeline of the present invention (excluding the flange);

[0018] In the figure: 1. First pipeline; 2. Liquid outlet pipe; 3. Liquid inlet pipe; 4. Switch valve; 5. Pressure relief valve; 6. Second pipeline; 7. Flange; 8. Fixing seat; 9. Connecting tube; 10. Cylindrical filter; 11. Annular block; 12. Support plate; 13. Concave block; 14. Docking tube; 15. Docking block; 16. Through groove; 17. Annular plate; 18. Screw; 19. Annular limit plate; 20. Arc groove; 21. Sealing gasket; 22. Positioning groove; 23. Positioning block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Reference Figure 1-Figure 4 As shown, the utility model provides the following technical solutions: a precision and safe filtering system for liquid carbon dioxide, comprising: a first pipe 1 and a second pipe 6, the opposite ends of the first pipe 1 and the second pipe 6 are connected with a flange 7, one side of the first pipe 1 is connected with a liquid inlet pipe 3, one side of the second pipe 6 is connected with a liquid outlet pipe 2, the liquid inlet pipe 3 and the liquid outlet pipe 2 are both installed with a switch valve 4, and one side of the first pipe 1 is installed with a pressure relief valve 5; a filter assembly, the filter assembly is arranged inside the second pipe 6, the filter assembly includes a fixed seat 8, the two fixed seats 8 are respectively connected to the inner walls of the two flanges 7, and the two fixed seats 8 are connected with a connecting tube 9, one side of the connecting tube 9 is connected with a cylindrical filter screen 10, the outer wall of the cylindrical filter screen 10 is connected with a plurality of annular blocks 11, and the outside of the cylindrical filter screen 10 is connected with a concave block 13, and the two ends of the concave block 13 are connected to one side of the connecting tube 9; a disassembly assembly, the disassembly assembly is arranged on one side of the fixed seat 8 and the connecting tube 9.

[0021] Through the above technical solution:

[0022] Specifically, during the process of filtering the liquid, it will enter the inner wall of the cylindrical filter screen 10 through the connecting tube 9, so that the cylindrical filter screen 10 filters the liquid. During this process, the annular block 11 and the concave block 13 outside the cylindrical filter screen 10 can support the cylindrical filter screen 10, effectively preventing the cylindrical filter screen 10 from deforming and breaking under the pressure of the liquid.

[0023] In the present invention, further embodiments are provided, referring to Figure 1-Figure 3The disassembly and assembly components include an annular plate 17, which is connected to one side of the connecting tube 9. A through slot 16 is opened in the center of the fixing seat 8. The connecting tube 9 passes through the through slot 16 and the fixing seat 8. Two screws 18 are symmetrically connected to one side of the fixing seat 8. One end of the two screws 18 passes through the annular plate 17, and one end of the two screws 18 passes through the annular plate 17 and is threadedly connected to an annular limit plate 19.

[0024] Through the above technical solution:

[0025] Specifically, when the cylindrical filter screen 10 needs to be removed, the annular limit plate 19 is screwed so that the annular limit plate 19 is detached from one end of the screw 18, so that the annular plate 17 is released from the limit on the fixed seat 8, and then the annular plate 17 is pulled outward so that the annular plate 17 drives the cylindrical filter screen 10 to move outward through the through groove 16, thereby completing the rapid removal of the cylindrical filter screen 10.

[0026] Reference Figure 1-Figure 4 A support plate 12 is provided inside the second pipe 6, one side of the support plate 12 is connected to the docking tube 14, one side of the concave block 13 is connected to the docking block 15 that matches the docking tube 14, the inner wall of the through groove 16 is provided with a sealing gasket 21, the outer wall of the connecting tube 9 is connected to a plurality of positioning blocks 23, the inner wall of the through groove 16 is provided with a plurality of positioning grooves 22 that match the positioning blocks 23, and the outer wall of the annular limit plate 19 is provided with a plurality of arc grooves 20.

[0027] By providing the support plate 12, the docking tube 14 and the docking block 15, the stability of the cylindrical filter screen 10 inside the second pipe 6 can be greatly improved. By providing the sealing gasket 21, the sealing between the connecting tube 9 and the through groove 16 can be improved. By providing the positioning block 23 and the positioning groove 22, the position of the connecting tube 9 on the through groove 16 can be easily positioned. By providing the arc groove 20, the annular limit plate 19 can be easily screwed.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Precision safety filtration system for liquid carbon dioxide, characterized by ,include: A first pipe (1) and a second pipe (6), wherein opposite ends of the first pipe (1) and the second pipe (6) are both connected to flanges (7), a liquid inlet pipe (3) is connected through one side of the first pipe (1), and a liquid outlet pipe (2) is connected through one side of the second pipe (6), both the liquid inlet pipe (3) and the liquid outlet pipe (2) are installed with switch valves (4), and a pressure relief valve (5) is installed on one side of the first pipe (1); A filter assembly is provided inside the second pipe (6), and the filter assembly includes a fixing seat (8), two fixing seats (8) are respectively connected to the inner walls of two flanges (7), and the two fixing seats (8) are connected through a connecting tube (9), one side of the connecting tube (9) is connected to a cylindrical filter screen (10), the outer wall of the cylindrical filter screen (10) is connected to a plurality of annular blocks (11), and the outside of the cylindrical filter screen (10) is connected to a concave block (13), and both ends of the concave block (13) are connected to one side of the connecting tube (9); A disassembly assembly component is provided on one side of the fixing seat (8) and the connecting cylinder (9).

2. The precise and safe filtration system for liquid carbon dioxide according to claim 1, characterized in that: The disassembly assembly comprises an annular plate (17), the annular plate (17) is connected to one side of the connecting tube (9), a through slot (16) is provided in the center of the fixing seat (8), the connecting tube (9) passes through the fixing seat (8) through the through slot (16), and two screw rods (18) are symmetrically connected to one side of the fixing seat (8), one end of each of the two screw rods (18) passes through the annular plate (17), and one end of the two screw rods (18) passing through the annular plate (17) is threadedly connected to an annular limiting plate (19).

3. The precise and safe filtration system for liquid carbon dioxide according to claim 1, characterized in that: A support plate (12) is provided inside the second pipe (6), one side of the support plate (12) is connected to a docking sleeve (14), and one side of the concave block (13) is connected to a docking block (15) that matches the docking sleeve (14).

4. The precise and safe filtration system for liquid carbon dioxide according to claim 2, characterized in that: A sealing gasket (21) is provided on the inner wall of the through groove (16).

5. The precise and safe filtration system for liquid carbon dioxide according to claim 2, characterized in that: The outer wall of the connecting cylinder (9) is connected to a plurality of positioning blocks (23), and the inner wall of the through groove (16) is provided with a plurality of positioning grooves (22) that match the positioning blocks (23).

6. The precise and safe filtration system for liquid carbon dioxide according to claim 2, characterized in that: The outer wall of the annular limiting plate (19) is provided with a plurality of arc grooves (20).

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