Filtering device for sodium isocaprylate in isocaprylic acid production

Abstract

The utility model provides an isocaprylic acid sodium salt filtering device in isocaprylic acid production, which comprises a filter press used for carrying out filter pressing on a reaction solution, the filter press comprises a rack, a filter assembly is arranged on the rack, a guide mechanism used for supporting and guiding the filter assembly is arranged on the rack, and the filter assembly is arranged on the guide mechanism. The guide mechanism comprises a limiting assembly and a moving assembly, the limiting assembly is arranged on the machine frame and used for guiding the movement of the filtering assembly, and the moving assembly is arranged on the machine frame and used for supporting the limiting assembly. In addition, the filtering mechanism on the limiting assembly can be rapidly disassembled and assembled through the moving assembly, the filtering mechanism can be rapidly replaced conveniently, objects filtered out of the filtering mechanism can be cleaned and stored conveniently, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering device equipment, in particular to a filtering device for sodium isooctanoate in the production of isooctanoic acid. Background Art

[0002] Isooctanoic acid can be converted into salts of metal zirconium, cobalt, molybdenum, zinc, etc., which are used as paint driers and heat stabilizers for polyvinyl chloride plastics; its tin salt can be used as an additive for plastic pipes; barium salts and cadmium salts are used in plastic calendering products and stabilizers. Isooctanoic acid and its esters are also used in medicine, fungicides, metal lubricants, cosmetics, etc. Its glyceride is an excellent plasticizer. Isooctanoic acid is also the raw material of the pharmaceutical carbenicillin, and is also used in the synthesis of many dyes and fragrances.

[0003] The production process of isooctanoic acid is to add isooctyl alcohol, sodium hydroxide, zinc oxide and other catalysts into an autoclave, heat to about 260°C, control the pressure at 3MPa, and react with hydrogen to generate sodium isooctanoate. After the reaction, the sodium isooctanoate is dissolved in water, filtered, and zinc oxide and other catalysts are filtered out. Then, sulfuric acid is added to the filtered sodium isooctanoate solution for acidification and separation to obtain crude isooctanoic acid and sodium sulfate solution. The crude isooctanoic acid is distilled to obtain the finished isooctanoic acid. The filter components of traditional filter presses are usually fixed, making it difficult to disassemble and replace them, as well as to clean and store the objects filtered out. Utility Model Content

[0004] In view of this, the utility model provides a filtering device for sodium isooctanoate in the production of isooctanoic acid, which can effectively support and phase the filtering component through a limiting component, and can realize rapid disassembly and assembly of the filtering mechanism on the limiting component through a moving component, so as to facilitate rapid replacement and cleaning and storage of objects filtered out thereof, and the operation is more convenient, which solves the problem that the filtering component of a traditional filter press is usually fixed and difficult to disassemble and replace, as well as to clean and store the objects filtered out thereof.

[0005] In order to solve the above technical problems, the utility model provides a filtering device for sodium isooctanoate in the production of isooctanoic acid, including a filter press for filtering a reaction solution, the filter press including a frame, a filter assembly is arranged on the frame, a guide mechanism for supporting and guiding the filter assembly is arranged on the frame, the guide mechanism includes a limit assembly and a moving assembly, the limit assembly is arranged on the frame, and is used to guide the movement of the filter assembly, and the moving assembly is arranged on the frame, and is used to support the limit assembly. The utility model can effectively support and phase the filter assembly through the limit assembly, and can realize rapid disassembly and assembly of the filter mechanism on the limit assembly through the moving assembly, so as to realize rapid replacement and cleaning and storage of objects filtered out of the limit assembly, and the operation is more convenient.

[0006] The filter assembly includes a plurality of filter boxes which are slidably arranged on a frame and are interconnected. A filter cloth is arranged inside each of the filter boxes. A drainage pipe which is connected thereto is arranged on each of the filter boxes. A liquid collecting tank is arranged below the drainage pipe. Ear plates are arranged on the front and rear sides of each of the filter boxes. The utility model can filter the solution through the filter cloth inside the filter box, and discharge the filtered liquid into the liquid collecting tank through the drainage pipe, thereby finally collecting the filtered objects on the filter cloth, and the operation is more convenient and efficient.

[0007] The limiting assembly includes a fixed sleeve arranged on the frame, a guide rod is arranged inside the fixed sleeve, a guide groove matched with the guide rod is opened on the ear plate, the guide rod is inserted in the guide groove, and a movable sleeve is arranged at the other end of the guide rod, and the movable sleeve is arranged on the movable assembly. The utility model can support and fix the guide rod through the fixed sleeve cooperating with the movable sleeve, and the movable sleeve can be driven away from the guide rod through the movable assembly, and then the filter box on the guide rod can be removed for cleaning or replacement, which is more convenient, simple and efficient.

[0008] The moving assembly includes a slide rail arranged on a frame, a slider is slidably arranged in the slide rail, a telescopic push rod is arranged on the side wall of the slider, the axial direction of the telescopic push rod and the axial direction of the guide rod are located on the same vertical line, and the moving sleeve is arranged on the upper part of the slider. The utility model can push the moving sleeve to move in the direction close to the guide rod by extending the output rod of the telescopic push rod, and cooperate with the fixed sleeve to firmly support and fix the guide rod, and can move the slider and the fixed sleeve thereon in the direction away from the guide rod when the output rod of the telescopic push rod is retracted, so that the operator can remove the filter box from the guide rod, and the operation is more convenient.

[0009] A hydraulic cylinder is arranged on the outside of one end of the filter box, a filter press plate is arranged on the end of the output rod of the hydraulic cylinder, a thrust plate is arranged on the other end of the filter box, a liquid inlet connected to the filter box is arranged on the thrust plate, and the utility model can use the thrust plate to push the filter press plate of the hydraulic cylinder to perform filter pressing operation on the solution introduced into the filter box through the liquid inlet, so as to realize the precipitation of the solvent in the solution, which is more convenient and efficient.

[0010] The telescopic push rod is an electric telescopic rod or a hydraulic telescopic rod.

[0011] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0012] 1. The utility model can effectively support and phase the filter assembly through the limit assembly, and can realize the rapid disassembly and assembly of the filter mechanism on the limit assembly through the mobile assembly, so as to facilitate the rapid replacement and cleaning and storage of the filtered objects inside, and the operation is more convenient.

[0013] 2. The utility model can filter the solution through the filter cloth inside the filter box, and discharge the filtered liquid into the liquid collecting tank through the drain pipe, and finally collect the filtered objects on the filter cloth, which is more convenient and efficient to operate.

[0014] 3. The utility model can support and fix the guide rod by the fixed sleeve cooperating with the movable sleeve, and can drive the movable sleeve away from the guide rod through the movable assembly, and then remove the filter box on the guide rod for cleaning or replacement, which is more convenient, simple and efficient.

[0015] 4. The utility model can push the movable sleeve toward the guide rod by extending the output rod of the telescopic push rod, and cooperate with the fixed sleeve to firmly support and fix the guide rod. The output rod of the telescopic push rod can be retracted to move the slider and the fixed sleeve thereon in the direction away from the guide rod, thereby facilitating the operator to remove the filter box from the guide rod, and the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a filtering device for sodium isooctanoate in the production of isooctanoic acid without a shell according to the utility model;

[0017] Figure 2 This is an enlarged view of the structure of the utility model A;

[0018] Figure 3 This is an enlarged view of the structure at B of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the structure of the filtering device of sodium isooctanoate in the production of isooctanoic acid.

[0020] Explanation of the reference numerals: 100, filter press; 101, frame; 102, hydraulic cylinder; 103, filter press plate; 104, thrust plate; 200, filter assembly; 201, filter box; 202, filter cloth; 203, drain pipe; 204, collecting trough; 205, ear plate; 206, guide groove; 300, guide mechanism; 310, limit assembly; 311, fixed clamping sleeve; 312, guide rod; 313, movable clamping sleeve; 320, movable assembly; 321, slide rail; 322, slider; 323, telescopic push rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0022] like Figure 1-4 As shown: This embodiment provides a filtering device for sodium isooctanoate in the production of isooctanoic acid, including a filter press 100 for filtering a reaction solution, the filter press 100 including a frame 101, a filter assembly 200 is arranged on the frame 101, a guide mechanism 300 for supporting and guiding the filter assembly 200 is arranged on the frame 101, the guide mechanism 300 includes a limit assembly 310 and a moving assembly 320, the limit assembly 310 is arranged on the frame 101, and is used to guide the movement of the filter assembly 200, the moving assembly 320 is arranged on the frame 101, and is used to support the limit assembly 310, the utility model can effectively support and phase the filter assembly 200 through the limit assembly 310, and can realize the rapid disassembly and assembly of the filter mechanism on the limit assembly 310 through the moving assembly 320, so as to realize the rapid replacement thereof and the cleaning and storage of the objects filtered out therein, and the operation is more convenient.

[0023] According to one embodiment of the utility model, Figure 1-4 As shown, the filter assembly 200 includes a plurality of filter boxes 201 that are slidably arranged on the frame 101 and are interconnected. A filter cloth 202 is arranged inside each of the filter boxes 201. A drainage pipe 203 that is connected thereto is arranged on each of the filter boxes 201. A liquid collecting tank 204 is arranged below the drainage pipe 203. Ear plates 205 are arranged on the front and rear sides of each of the filter boxes 201. The utility model can filter the solution through the filter cloth 202 inside the filter box 201, and discharge the filtered liquid into the liquid collecting tank 204 through the drainage pipe 203, and finally collect the filtered objects on the filter cloth 202, making the operation more convenient and efficient.

[0024] According to another embodiment of the present invention, Figure 1 and Figure 2As shown, the limit assembly 310 includes a fixed sleeve 311 arranged on the frame 101, and a guide rod 312 is arranged inside the fixed sleeve 311. A guide groove 206 adapted to the guide rod 312 is opened on the ear plate 205, and the guide rod 312 is inserted in the guide groove 206. A movable sleeve 313 is arranged at the other end of the guide rod 312, and the movable sleeve 313 is arranged on the movable assembly 320. The utility model can support and fix the guide rod 312 through the fixed sleeve 311 cooperating with the movable sleeve 313, and the movable sleeve 313 can be driven away from the guide rod 312 through the movable assembly 320, and then the filter box 201 on the guide rod 312 can be removed for cleaning or replacement, which is more convenient, simple and efficient.

[0025] According to another embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 The cam 322 is provided with a plurality of movable members 324, 326 and 327, and the movable members 328 are provided with a plurality of movable members 329. The movable members 329 are provided with a plurality of movable members 321 and 327, and the movable members 328 are provided with a plurality of movable members 329.

[0026] According to another embodiment of the present invention, Figure 1 and Figure 4 As shown, a hydraulic cylinder 102 is arranged on the outer side of one end of the filter box 201, and a filter press plate 103 is arranged on the end of the output rod of the hydraulic cylinder 102, and a thrust plate 104 is arranged on the other end of the filter box 201, and a liquid inlet connected to the filter box 201 is arranged on the thrust plate 104. The utility model can use the thrust plate 104 to push the filter press plate 103 of the hydraulic cylinder 102 to perform a filter press operation on the solution introduced into the filter box 201 through the liquid inlet, so as to realize the precipitation of the solvent in the solution, which is more convenient and efficient.

[0027] The use of the utility model:

[0028] First of all, it should be made clear that the filtering device involved in the utility model is mainly used for the pressure filtration of solutes and solvents in solutions. The utility model takes the pressure filtration of sodium isooctanoate in the production of isooctanoic acid as an example to explain its method of use in detail. When pressure filtration is required, the output rod of the hydraulic cylinder 102 is first started to extend to push the filter plate 103 into the filter box 201, and then the solution to be filtered is introduced through the feed port of the filter box 201. After the introduction is completed, the feed port is closed, and then the output rod of the hydraulic cylinder 102 is continued to be started to extend to pressurize the solution inside the filter box 201, thereby realizing the separation operation of the solvent in the solution and the solution. The liquid filtered out by the filter cloth 202 will be discharged into the collecting tank 204 through the drain pipe 203. The solute is blocked on the filter cloth 202, and when the filtering operation is completed, the output rod of the telescopic push rod 323 is retracted to move with the slider 322 and the fixed sleeve 311 thereon in the direction away from the guide rod 312, so that the operator can remove the filter box 201 from the guide rod 312, and finally collect the filtered objects on the filter cloth 202, which is more convenient and efficient. The utility model can effectively support and phase the filter assembly 200 through the limit assembly 310, and can realize the rapid disassembly and assembly of the filtering mechanism on the limit assembly 310 through the moving assembly 320, so as to realize the rapid replacement thereof and the cleaning and storage of the filtered objects inside it, which is more convenient to operate.

[0029] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0030] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A filtering device for sodium isooctanoate in isooctanoic acid production, comprising a filter press (100) for filtering a reaction solution, wherein the filter press (100) comprises a frame (101), and a filtering assembly (200) is arranged on the frame (101), characterized in that: The frame (101) is provided with a guide mechanism (300) for supporting and guiding the filter assembly (200); the guide mechanism (300) comprises a position limiting assembly (310) and a moving assembly (320); the position limiting assembly (310) is provided on the frame (101) for guiding the movement of the filter assembly (200); and the moving assembly (320) is provided on the frame (101) for supporting the position limiting assembly (310).

2. The filter device for producing sodium isooctanoate in isooctanoic acid according to claim 1, wherein: The filter assembly (200) comprises a plurality of filter boxes (201) which are slidably arranged on a frame (101) and are interconnected. A filter cloth (202) is arranged inside each of the filter boxes (201). A liquid discharge pipe (203) which is in communication with the filter box (201) is arranged on each of the filter boxes (201). A liquid collecting tank (204) is arranged below the liquid discharge pipe (203). Ear plates (205) are arranged on both the front and rear sides of each of the filter boxes (201).

3. The filtering device for sodium isooctanoate in the production of isooctanoic acid as claimed in claim 2, characterized in that: The limiting assembly (310) comprises a fixed clamping sleeve (311) arranged on the frame (101), a guide rod (312) is arranged inside the fixed clamping sleeve (311), a guide groove (206) adapted to the guide rod (312) is opened on the ear plate (205), the guide rod (312) is inserted into the guide groove (206), and a movable clamping sleeve (313) is arranged at the other end of the guide rod (312), and the movable clamping sleeve (313) is arranged on the movable assembly (320).

4. The filtering device for producing sodium isooctanoate in isooctanoic acid according to claim 3, characterized in that: The moving assembly (320) comprises a slide rail (321) arranged on the frame (101), a slider (322) is slidably arranged inside the slide rail (321), a telescopic push rod (323) is arranged on the side wall of the slider (322), the axial direction of the telescopic push rod (323) and the axial direction of the guide rod (312) are located on the same vertical line, and the moving sleeve (313) is arranged on the upper part of the slider (322).

5. The filtering device for sodium isooctanoate in the production of isooctanoic acid as claimed in claim 4, characterized in that: A hydraulic cylinder (102) is arranged on the outer side of one end of the filter box (201), a filter press plate (103) is arranged at the end of the output rod of the hydraulic cylinder (102), and a thrust plate (104) is arranged at the other end of the filter box (201), and a liquid inlet connected to the filter box (201) is arranged on the thrust plate (104).

6. The filtering device for sodium isooctanoate in the production of isooctanoic acid according to claim 5, characterized in that: The telescopic push rod (323) is an electric telescopic rod or a hydraulic telescopic rod.

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