Ion exchange column for glycerol purification

By designing the placement cylinder and tray structure inside the cylinder, the ion exchange resin can be easily replaced, solving the problems of confusion and residue during the resin replacement process and achieving a more efficient glycerol purification effect.

CN223811050UActive Publication Date: 2026-01-20FUJIAN HAOBANG CHEM
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Patent Information

Application Number
CN202520100043.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-20
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

In the existing glycerol purification process, the resin is easily flushed out when the ion exchange resin is replaced, causing chaos and loss, and it is difficult to avoid residual impurities in glycerol.

Method used

An ion exchange column comprising a cylinder and a placement cylinder is designed. The placement cylinder is equipped with a support plate and a threaded rod. The threaded rod controls the rise or fall of the support plate, enabling convenient resin replacement and reducing residue. The gap between the placement cylinder and the cylinder prevents glycerol from contacting the resin.

Benefits of technology

This makes the resin replacement process convenient and economical, reduces resin residue and impurities in glycerin, and avoids resin loss and resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ion exchange column for glycerol purification, and relates to the technical field of purification ion exchange columns, the ion exchange column comprises a cylinder body, the inner wall of the cylinder body is provided with a placing cylinder, the bottom of the placing cylinder is provided with a circular through groove, the placing cylinder is internally provided with a supporting plate, the supporting plate is provided with a plurality of through holes, and the placing cylinder is used for containing ion exchange resin. The ion exchange resin is placed in the placing barrel, when the ion exchange resin needs to be replaced, the placing barrel in the barrel body is directly pulled out from the upper portion of the barrel body, the ion exchange resin cannot be massively left on the inner wall of the barrel body, deionized water does not need to be used for washing, and the ion exchange resin barrel is more economical and more convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of purification ion exchange column, especially relates to a glycerol purification ion exchange column. BACKGROUND

[0002] The ion exchange column is used for glycerol purification mainly based on the characteristics of ion exchange resin. The ion exchange resin is a kind of high molecular compound with exchangeable ions. In glycerol purification, the purpose is to remove the ionic impurities in glycerol, which can effectively reduce the content of metal ions and other charged impurities in glycerol, and improve the purity of glycerol. In glycerol purification, sometimes the way of series connection is used, first using cation exchange column, then using anion exchange column, to more effectively remove impurities.

[0003] During the use of resin, breakage, loss and other situations may occur, at this time, the resin needs to be replaced. At present, the resin is mostly replaced by inverting the ion exchange column or using the way of water inlet from the bottom to flush out the resin, and then collecting the removed resin with a suitable container. These ways are easy to cause the resin to be flushed out of the working area, causing confusion, and may damage the resin, causing loss. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a glycerol purification ion exchange column to more accurately solve the above-mentioned problems.

[0005] The utility model is realized by the following technical schemes:

[0006] The utility model provides a glycerol purification ion exchange column, which comprises a cylinder, the inner wall of the cylinder is provided with a placing cylinder, the bottom of the placing cylinder is provided with a circular through slot, the placing cylinder is provided with a supporting plate, the supporting plate is provided with a plurality of through holes, and the placing cylinder is used for containing ion exchange resin.

[0007] In one example, the inner wall of the cylinder is provided with a circular groove, the radius of the circular groove is greater than the radius of the inside of the cylinder, and the circular groove is used for placing the placing cylinder.

[0008] In one example, the side wall of the cylinder is fixedly connected with a fixed seat, the fixed seat is provided with a penetrating insertion hole, the lower surface of the cylinder is fixedly connected with an insertion rod, the side wall of the insertion rod is provided with a plurality of clamping grooves, the side wall of the insertion hole is provided with a plurality of circular holes, the side wall of the circular hole is fixedly connected with a spring, one end of the spring is fixedly connected with a fixed ball, the fixed ball is matched with the clamping groove, and the radius of the fixed ball is greater than the radius of the insertion hole.

[0009] In one example, the lower surface of the placing cylinder is fixedly connected with a mounting bracket, the mounting bracket is rotatably connected with a threaded rod, the threaded rod penetrates through the supporting plate and is threadedly connected with the supporting plate, and the supporting plate is slidably connected with the placing cylinder.

[0010] In one example, the side wall of the placing cylinder is fixedly connected with two guide rods, the guide rods penetrate through the supporting plate and are slidably connected with the supporting plate.

[0011] In one example, the upper end of the threaded rod is fixedly connected with a limiting plate, and the upper surface of the limiting plate is fixedly connected with a pull ring.

[0012] In one example, the side wall of the inner side of the upper end of the placing cylinder is provided with a tapered surface.

[0013] The ion exchange column for glycerol purification can bring the following beneficial effects:

[0014] Firstly, the ion exchange resin is placed in the placing cylinder, when the ion exchange resin needs to be replaced, the placing cylinder in the cylinder body is pulled out from the upper part of the cylinder body, and the ion exchange resin is pulled out together with the placing cylinder, so that the ion exchange resin does not remain on the inner wall of the cylinder body in large amount, and the ion exchange resin does not need to be washed with deionized water, which is more economical and convenient to use.

[0015] Secondly, the supporting plate is arranged, after the placing cylinder is placed, the threaded rod is rotated, the threaded rod controls the upward movement of the supporting plate, the supporting plate pushes the upward movement of the resin, the resin is in contact with the side wall of the cylinder body, the contact gap between the cylinder body and the placing cylinder is blocked, part of the glycerol does not contact with the resin, and the glycerol directly passes through the placing cylinder through the gap and then falls down, so that the impurities in the glycerol are not removed. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0017] In the drawings:

[0018] Figure 1 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0019] Figure 2 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0020] Figure 3 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application. Figure 2 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0021] Figure 4 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0022] Figure 5 The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and together with the general description of the present application and the detailed description of the illustrative embodiments, serve to explain the principles of the present application.

[0023] In the figure: 1, cylinder body; 2, placing cylinder; 3, supporting plate; 4, fixed seat; 5, inserting rod; 6, spring; 7, fixed ball; 8, mounting frame; 9, threaded rod; 10, guide rod; 11, limiting plate; 12, pull ring; 13, conical surface. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the utility model, the following will be described in detail in an exemplary manner combined with the drawings of the specification.

[0025] As Figures 1-5 shown, the embodiment of the utility model discloses a glycerol purification ion exchange column, including cylinder body 1, the inner wall of cylinder body 1 is provided with placing cylinder 2, placing cylinder 2 bottom is equipped with circular through slot, placing cylinder 2 is provided with supporting plate 3, supporting plate 3 is equipped with a plurality of through holes, placing cylinder 2 is used to hold ion exchange resin, cylinder body 1 is provided with inlet and outlet, inlet is used to introduce the glycerol solution containing impurities into ion exchange column, and outlet is used to flow out the glycerol solution after purification, and the outlet is usually provided with filter screen and other devices, and the ion exchange resin in the utility model is placed in placing cylinder 2, the bottom of placing cylinder 2 is the supporting plate 3 provided with through hole, when using, glycerol enters cylinder body 1 from the top, passes through placing cylinder 2, and exchanges ions with the resin in placing cylinder 2, and the liquid after exchange drops through supporting plate 3 and leaves placing cylinder 2, when the resin is seriously broken and needs to be replaced, placing cylinder 2 in cylinder body 1 is pulled out directly from the top of cylinder body 1, and the ion exchange resin is pulled out together with placing cylinder 2 and leaves cylinder body 1, the ion exchange resin does not remain in the inner wall of cylinder body 1 in large quantities, does not need to be washed with deionized water, is more economical, and is more convenient to use, and the components in cylinder body 1 are all corrosion-resistant materials.

[0026] As Figure 2 shown, the inner wall of cylinder body 1 is provided with circular groove, the radius of circular groove is greater than the radius of the inside of cylinder body 1, circular groove is used to place placing cylinder 2, and annular platform appears at the connecting place of circular groove and the inside of cylinder body 1, the side wall of placing cylinder 2 abuts against the inner wall of cylinder body 1, and the lower end abuts against the annular platform, so that placing cylinder 2 avoids extruding the filter screen and other devices near the liquid outlet below.

[0027] As Figure 3As shown, the side wall of the barrel 1 is fixedly connected with the fixed seat 4, the fixed seat 4 is provided with a through insertion hole, the lower surface of the barrel 1 is fixedly connected with the insertion rod 5, the side wall of the insertion rod 5 is provided with a plurality of clamping grooves, the side wall of the insertion hole is provided with a plurality of circular holes, the side wall of the circular hole is fixedly connected with the spring 6, one end of the spring 6 is fixedly connected with the fixed ball 7, the fixed ball 7 is matched with the clamping groove, the radius of the fixed ball 7 is greater than the radius of the insertion hole, when the placing barrel 2 is placed, the insertion rod 5 at the bottom of the placing barrel 2 is aligned with the insertion hole on the fixed seat 4, when the placing barrel 2 is inserted into the barrel 1, the insertion rod 5 is inserted into the insertion hole, the fixed ball 7 is pushed into the clamping groove on the side wall of the insertion rod 5 under the pushing of the spring 6, so as to fix the placing barrel 2, in the use process, since the resin needs to be cleaned, when cleaning, deionized water is injected from the bottom, the water flows upward, through the fixed ball 7 and the insertion rod 5, the water flow can be avoided from impacting the placing barrel 2, so as to cause the placing barrel 2 to be unstable and to float up and down.

[0028] As shown in the drawings, Figure 4 With Figure 5 As shown, the lower surface of the placing barrel 2 is fixedly connected with the mounting frame 8, the mounting frame 8 is rotationally connected with the threaded rod 9, the threaded rod 9 penetrates through the supporting plate 3 and is threadedly connected with the supporting plate 3, the supporting plate 3 is slidingly connected with the placing barrel 2, the side wall of the placing barrel 2 is fixedly connected with two guide rods 10, the guide rods 10 penetrate through the supporting plate 3 and are slidingly connected with the supporting plate 3, the upper end of the threaded rod 9 is fixedly connected with the limiting plate 11, the upper surface of the limiting plate 11 is fixedly connected with the pull ring 12, the side wall of the inner side of the upper end of the placing barrel 2 is provided with a tapered surface 13, when the placing barrel 2 is placed, at this time, the supporting plate 3 is located at the bottom of the placing barrel 2, and the resin particles are located in the placing barrel 2, after the placing barrel 2 is placed, at this time, the pull ring 12 is twisted to rotate the threaded rod 9, the threaded rod 9 controls the supporting plate 3 to rise, the supporting plate 3 pushes the resin to rise, so that the upper layer of the resin rises to leave the placing barrel 2 and contacts the side wall of the barrel 1, the barrel 1 and the placing barrel 2 are contacted to block the gap, so as to avoid that part of the glycerol does not contact the resin and directly passes through the gap to drop to cause the impurities to be left in the glycerol, the upper end side wall of the placing barrel 2 is tapered, when the placing barrel 2 and the resin need to be taken out, the threaded rod 9 is reversed, the supporting plate 3 is lowered to reset, so that most of the resin returns to the placing barrel 2, the side wall of the barrel 1 is easy to leave residues, and at the same time when the placing barrel 2 rises, the side wall scrapes the side wall of the barrel 1, so that the resin left on the side wall returns to the placing barrel 2 through the tapered surface 13, and the residues are reduced.

[0029] Working principle: when the ion exchange resin is replaced, the threaded rod 9 is reversed, the supporting plate 3 is lowered and reset, most of the resin returns to the placing cylinder 2, the pull ring 12 is pulled, the placing cylinder 2 is lifted, the side wall scrapes the side wall of the cylinder body 1, and the residual resin on the side wall returns to the placing cylinder 2 through the conical surface 13, when the placing cylinder 2 is placed, the insertion rod 5 at the bottom of the placing cylinder 2 is aligned with the insertion hole on the fixing seat 4, when the placing cylinder 2 is inserted into the cylinder body 1, the insertion rod 5 is inserted into the insertion hole, the fixing ball 7 is pushed into the clamping groove in the side wall of the insertion rod 5 under the pushing of the spring 6, and the placing cylinder 2 is fixed, the threaded rod 9 is rotated, the threaded rod 9 controls the supporting plate 3 to rise, the supporting plate 3 pushes the resin to rise, the upper layer of the resin rises and leaves the placing cylinder 2, and the cylinder body 1 is in contact with the side wall of the placing cylinder 2, so that the contact gap between the cylinder body 1 and the placing cylinder 2 is blocked.

[0030] In the description of the utility model, it needs to be explained that the positions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are the positions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0032] The components used in the utility model are all general standard components or components known by those skilled in the art, and their structures and principles can be known by the technical personnel through technical manuals or through conventional experimental methods.

[0033] The above is only the preferred embodiment of the utility model, and does not limit the technical scope of the utility model in any way, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the protection scope of the utility model.

Claims

1. An ion exchange column for glycerol purification, characterized in that, include: A cylindrical body (1), wherein an inner wall of the cylindrical body (1) is provided with a placement cylinder (2); The bottom of the placement tube (2) is provided with a circular through groove, and a tray (3) is provided inside the placement tube (2); The tray (3) has multiple through holes, and the placement tube (2) is used to hold ion exchange resin.

2. The ion exchange column for glycerol purification according to claim 1, characterized in that: The inner wall of the cylinder (1) is provided with a circular groove, the radius of which is larger than the radius of the inside of the cylinder (1); The circular groove is used to place the placement cylinder (2).

3. The ion exchange column for glycerol purification according to claim 1, characterized in that: The side wall of the cylinder (1) is fixedly connected to a fixing seat (4), and the fixing seat (4) is provided with a through insertion hole; The lower surface of the cylinder (1) is fixedly connected to the insertion rod (5). The side wall of the insertion rod (5) is provided with multiple slots, and the side wall of the insertion hole is provided with multiple circular holes. The side wall of the circular holes is fixedly connected to the spring (6). One end of the spring (6) is fixedly connected to a fixing ball (7), and the fixing ball (7) cooperates with the slot; The radius of the fixed ball (7) is greater than the radius of the socket.

4. The ion exchange column for glycerol purification according to claim 1, characterized in that: The mounting bracket (8) is fixedly connected to the lower surface of the placement tube (2); A threaded rod (9) is rotatably connected to the mounting bracket (8). The threaded rod (9) passes through the support plate (3) and is threadedly connected to the support plate (3). The support plate (3) is slidably connected to the placement cylinder (2).

5. An ion exchange column for glycerol purification according to claim 4, characterized in that: Two guide rods (10) are fixedly connected to the side wall of the placement tube (2); The guide rod (10) passes through the support plate (3) and is slidably connected to the support plate (3).

6. An ion exchange column for glycerol purification according to claim 4, characterized in that: The upper end of the threaded rod (9) is fixedly connected to the limiting plate (11); A pull ring (12) is fixedly connected to the upper surface of the limiting plate (11).

7. An ion exchange column for glycerol purification according to claim 1, characterized in that: The inner side wall of the upper end of the placement cylinder (2) is provided with a conical surface (13).