Ion exchange device for preparing silica sol

Abstract

The utility model relates to the field of silica sol preparation equipment, in particular to an ion exchange device for silica sol preparation, which comprises a reaction tank, and a shunting assembly, a positioning assembly and an ion exchange resin layer which are arranged in the reaction tank. The diversion assembly is arranged in the reaction tank and comprises a first transfer box and a plurality of first drainage pipes, the first transfer box is provided with a first liquid inlet and a plurality of first liquid outlets, the first liquid inlet is communicated with the feeding port, the first drainage pipes are communicated with the corresponding first liquid outlets, and the plurality of first drainage pipes are distributed around the axis of the reaction tank; one end, far away from the first transfer box, of the first drainage tube points to the side wall of the reaction tank, and the first drainage tube is a hose. The positioning assembly is used for positioning the inclination angle of the first drainage tube; and the ion exchange resin layer is positioned below the shunting assembly. According to the invention, the contact sufficiency of the sodium silicate solution and the ion exchange resin can be improved, so that the ion exchange efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of silica sol preparation equipment, and in particular to an ion exchange device for silica sol preparation. Background Art

[0002] Silica sol is a dispersion of nano-scale silicon dioxide particles in water or solvent, which can be used in coatings, papermaking, textiles and other industries. Generally, silica sol can be made by ion exchange method and one-step hydrolysis of silicon powder. Ion exchange method usually needs to be applied to ion exchange equipment.

[0003] The ion exchange device usually uses a sodium silicate solution and an ion exchange resin to perform ion exchange to obtain a silicic acid solution. The adequacy of the contact between the sodium silicate solution and the ion exchange resin directly affects the efficiency of the ion exchange process. How to improve the adequacy of the contact between the sodium silicate solution and the ion exchange resin is a problem currently being concerned in the field. Utility Model Content

[0004] The purpose of the present application is to provide an ion exchange device for preparing silica sol, aiming to improve the contact between sodium silicate solution and ion exchange resin, thereby improving the ion exchange efficiency.

[0005] To achieve the above objectives, this application adopts the following technical solutions:

[0006] An ion exchange device for preparing silica sol, comprising:

[0007] A reaction tank, wherein the reaction tank has a feed inlet and a discharge outlet;

[0008] A flow splitter assembly is arranged in the reaction tank, the flow splitter assembly comprises a first adapter box and a plurality of first drainage tubes, the first adapter box has a first liquid inlet and a plurality of first liquid outlets, the first liquid inlet is connected to the feed port, the first drainage tubes are connected to the first liquid outlets in a one-to-one correspondence, the plurality of first drainage tubes are distributed around the axis of the reaction tank, one end of the first drainage tube away from the first adapter box points to the side wall of the reaction tank, and the first drainage tube is a hose;

[0009] a positioning assembly, used to position the inclination angle of the first drainage tube; and

[0010] An ion exchange resin layer is built in the reaction tank and is located below the diversion component.

[0011] Optionally, the diversion assembly also includes multiple second adapter boxes and multiple second drainage tubes, the second adapter boxes have a second liquid inlet and multiple second liquid outlets, the second adapter boxes correspond one-to-one to the first drainage tubes, the multiple second adapter boxes are distributed below the first adapter box, the second liquid inlet of the second adapter box is connected to the corresponding first drainage tube, the second drainage tubes correspond one-to-one to the second liquid outlets, and the second drainage tubes are connected to the corresponding second liquid outlets.

[0012] Optionally, at least one positioning assembly is provided, and each two first drainage tubes correspond to one positioning assembly, and the positioning assembly is used to limit an angle between the corresponding two first drainage tubes.

[0013] Optionally, the positioning assembly includes a positioning rod, and the positioning rod is connected between the corresponding two first drainage tubes.

[0014] Optionally, the positioning assembly further includes a positioning sleeve, two of which are provided and correspond one to one with the first drainage tubes, the positioning sleeve is provided on the outer side of the corresponding first drainage tube, and the positioning rod is connected between the two corresponding positioning sleeves.

[0015] Optionally, a positioning block is connected to the positioning sleeve, and the positioning block has a connecting plane. The two ends of the positioning rod respectively correspond to one positioning block, and the end of the positioning rod is connected to the connecting plane.

[0016] Optionally, the positioning rod is fixedly connected to the positioning block.

[0017] Optionally, a first magnetic block is embedded in the connection plane, and second magnetic blocks are embedded at both ends of the positioning rod, respectively, and there is adsorption force between the first magnetic block and the second magnetic block.

[0018] Optionally, the first drainage tube is a telescopic bellows.

[0019] Optionally, the first liquid inlet of the first adapter box is connected to a connecting pipe, a feeding pipe is fixed at the feeding port of the reaction tank, and the connecting pipe is detachably connected to the feeding pipe.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. By setting a diversion component in the reaction tank, the diversion component includes a first adapter box and a plurality of first drainage tubes, and the plurality of first drainage tubes evenly guide the sodium silicate solution at the feed port to the surroundings of the reaction tank, thereby improving the uniformity of the sodium silicate solution flowing to the ion exchange resin layer, thereby improving the ion exchange efficiency. The first adapter box acts as a buffer for the solution during diversion, which can avoid the risk of poor flow of the sodium silicate solution during diversion as much as possible, and further improve the efficiency of the ion exchange process. The first drainage tube is a hose that can be bent or contracted to adapt to reaction tanks of different sizes to improve the uniformity of the distribution of the sodium silicate solution in the reaction tank. The setting of the positioning component can position the inclination angle of the first drainage tube.

[0022] 2. A plurality of second adapter boxes and a plurality of second drainage tubes are also provided in the diversion assembly to adapt to a reaction tank with a larger radial dimension so that the sodium silicate solution can evenly cover the ion exchange resin layer, thereby improving the ion exchange efficiency.

[0023] 3. Every two first drainage tubes correspond to a positioning component, so that the positioning component is used to limit the angle between the two first drainage tubes, which can avoid as much as possible the problem of difficult control of the tilt angle caused by the first drainage tube being a hose.

[0024] 4. The positioning assembly includes a positioning rod, which is used to block the two first drainage tubes. The two first drainage tubes are affected by gravity and the limiting effect of the positioning rod, so that they can maintain good stability in the reaction tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a cross-sectional view of an ion exchange device for preparing silica sol according to an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the structure of the diversion component and the positioning component of the embodiment of the present application.

[0027] Figure 3 It is a schematic diagram of the structure of the positioning sleeve and the positioning block of an embodiment of the present application.

[0028] Figure 4 It is a schematic diagram of the structure of the positioning rod of an embodiment of the present application.

[0029] Description of reference numerals:

[0030] 1. Reaction tank; 11. Top cover; 12. Tank body; 13. Feed port; 14. Discharge port; 15. Feed pipe; 16. Discharge pipe; 2. Diversion assembly; 21. First adapter box; 211. Connecting pipe; 22. First drainage pipe; 23. Second adapter box; 24. Second drainage pipe; 3. Positioning assembly; 31. Positioning rod; 32. Positioning sleeve; 33. Positioning block; 331. Connecting plane; 34. First magnetic block; 35. Second magnetic block; 4. Ion exchange resin layer. DETAILED DESCRIPTION

[0031] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. In addition, the terms "vertical", "horizontal", "upper", "lower" and similar expressions used in the present application are positional relationships with reference to the accompanying drawings, and do not represent the expression of the only embodiment.

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] Reference Figure 1 The embodiment of the present application discloses an ion exchange device for preparing silica sol, comprising a reaction tank 1 and a diversion component 2, a positioning component 3 and an ion exchange resin layer 4 arranged in the reaction tank 1. The reaction tank 1 comprises a top cover 11 and a tank body 12, and the top cover 11 is fixed to the top of the tank body 12 through a flange. The reaction tank 1 has a feed port 13 and a discharge port 14, the feed port 13 is arranged on the top cover 11, and the discharge port 14 is arranged at the bottom of the tank body 12. A feed pipe 15 is fixedly connected to the feed port 13 of the reaction tank 1, and a discharge pipe 16 is fixedly connected to the discharge port 14 of the reaction tank 1, and the feed pipe 15 and the discharge pipe 16 are both arranged vertically, and the axes of the feed pipe 15 and the discharge pipe 16 are coaxially arranged with the axis of the reaction tank 1.

[0034] Reference Figure 1 and Figure 2 , the diverter assembly 2 is arranged at the top of the inner cavity of the reaction tank 1, and the diverter assembly 2 is located below the feed pipe 15, the ion exchange resin layer 4 is located below the diverter assembly 2, and the discharge pipe 16 is located below the ion exchange resin layer 4. The diverter assembly 2 includes a first adapter box 21 and a plurality of first drainage tubes 22. The first adapter box 21 is a polygonal box, so that it is convenient to connect a plurality of first drainage tubes 22 on multiple planes of the polygonal box. Specifically, the first adapter box 21 is a regular hexagonal box. This embodiment is described by taking the number of the first drainage tubes 22 as two as an example, and the angle between the two first drainage tubes 22 is 120°.

[0035] Reference Figure 1 and Figure 2The first adapter box 21 has a first liquid inlet and a plurality of first liquid outlets. A connecting tube 211 is fixedly connected to the first liquid inlet of the first adapter box 21. The connecting tube 211 is threadedly connected to the feed tube 15, thereby realizing a detachable connection between the connecting tube 211 and the feed tube 15. The first drainage tube 22 corresponds to the first liquid outlet one by one. One end of the first drainage tube 22 is connected to the corresponding first liquid outlet. One end of the first drainage tube 22 away from the first adapter box 21 points to the side wall of the reaction tank 1. The plurality of first drainage tubes 22 are distributed around the axis of the reaction tank 1, so that the plurality of first drainage tubes 22 evenly disperse the sodium silicate solution introduced by the feed tube 15 around the reaction tank 1, thereby improving the uniformity of the sodium silicate solution distributed on the ion exchange resin layer 4.

[0036] Reference Figure 1 and Figure 2 In order to adapt to reaction tanks 1 of different sizes, the first drainage tube 22 is a hose, so that the first drainage tube 22 can be bent or stretched, and the end position of the first drainage tube 22 away from the first adapter box 21 can be adjusted. This embodiment is described by taking the first drainage tube 22 as a telescopic bellows as an example.

[0037] Reference Figure 2 The first drainage tube 22 is a flexible tube and thus needs to be positioned with the aid of a positioning assembly 3. At least one positioning assembly 3 is provided. One positioning assembly 3 corresponds to every two first drainage tubes 22. The positioning assembly 3 is used to limit the angle between the two corresponding first drainage tubes 22. The positioning assembly 3 includes a positioning rod 31, and the positioning rod 31 is connected between the two corresponding first drainage tubes 22. In order to increase the contact area between the positioning assembly 3 and the first drainage tube 22, the positioning assembly 3 also includes a positioning sleeve 32. Two positioning sleeves 32 are provided and correspond to the first drainage tubes 22 one by one. The positioning sleeve 32 is sleeved on the outside of the corresponding first drainage tube 22, and the positioning rod 31 is connected between the two corresponding positioning sleeves 32.

[0038] Reference Figure 2 and Figure 3 In order to facilitate the disassembly and assembly of the positioning assembly 3, the positioning sleeve 32 is detachably connected to the positioning rod 31. A positioning block 33 is fixedly connected to the positioning sleeve 32, and the positioning block 33 has a connecting plane 331. The two ends of the positioning rod 31 correspond to a positioning block 33 respectively, and the end of the positioning rod 31 is connected to the connecting plane 331. The positioning rod 31 can be connected to the connecting plane 331 by magnetic attraction, and can also be connected to the positioning block 33 by threaded connection. This embodiment is described by taking the magnetic attraction as an example.

[0039] Reference Figure 3 and Figure 4The first magnetic block 34 is embedded in the connecting plane 331, and the second magnetic blocks 35 are embedded at both ends of the positioning rod 31, and there is an adsorption force between the first magnetic block 34 and the second magnetic block 35. Therefore, the disassembly between the positioning rod 31 and the positioning block 33 is facilitated.

[0040] It should be understood that in some other embodiments, the positioning rod 31 may also be fixedly connected to the positioning sleeve 32 .

[0041] It should be understood that in some other embodiments, when the first drainage tube 22 adopts a bending design, the positioning assembly 3 may include multiple hanging ropes, and the top cover 11 of the reaction tank 1 is opened. One end of the multiple hanging ropes is fixed on the top cover 11, and the other end lifts the first drainage tube 22 to achieve the positioning of the first drainage tube 22.

[0042] Reference Figure 1 and Figure 2 For the reaction tank 1 with a larger radial dimension, in order to further improve the diversion effect, the diversion assembly 2 further includes a plurality of second adapter boxes 23 and a plurality of second drainage tubes 24. In this embodiment, the number of the second adapter boxes 23 is two as an example, and each second adapter box 23 is connected to two second drainage tubes 24. The second adapter box 23 is a regular hexagonal box.

[0043] Reference Figure 1 and Figure 2 The second adapter box 23 has a second liquid inlet and a plurality of second liquid outlets, and the number of the second liquid outlets is described by taking two as an example. The second adapter box 23 is connected to the first drainage tube 22 in a one-to-one correspondence, and the plurality of second adapter boxes 23 are distributed below the first adapter box 21. The second liquid inlet of the second adapter box 23 is connected to the corresponding first drainage tube 22, and each second liquid outlet is connected to a corresponding second drainage tube 24.

[0044] It should be understood that the connection between the first adapter box 21, the first drainage tube 22, the second adapter box 23 and the second drainage tube 24 can be a threaded connection for detachability, or a fixed connection to improve connection stability.

[0045] It should be understood that a third adapter box, a third drainage pipe, etc. can be arranged below the second adapter box 23 according to the size of the reaction tank 1, and all of them should be within the protection scope of the present application.

[0046] The implementation principle of an ion exchange device for preparing silica sol in an embodiment of the present application is as follows: a raw sodium silicate solution is injected into a reaction tank 1 through a feed pipe 15, and the sodium silicate solution flows through a first adapter box 21, a first drainage pipe 22, a second adapter box 23, and a second drainage pipe 24 in sequence, and finally is discharged to an ion exchange resin layer 4 through a plurality of second drainage pipes 24, so that the sodium silicate solution passes through the ion exchange resin layer 4 evenly and fully, thereby improving the ion exchange efficiency.

[0047] The first adapter box 21 and the second adapter box 23 play a buffering role in the diversion of the sodium silicate solution, and can maximize the flow rate of the sodium silicate solution finally discharged from the second drainage tube 24, thereby further ensuring the ion exchange efficiency.

[0048] The first drainage tube 22 can be bent or stretched, so that the end position of the first drainage tube 22 away from the first adapter box 21 can be adjusted to adapt to reaction tanks 1 of different sizes. The first drainage tube 22 is then positioned using the positioning assembly 3, solving the problem of difficult positioning of the hose.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An ion exchange device for preparing silica sol, characterized in that: include: A reaction tank (1), wherein the reaction tank (1) has a feed inlet (13) and a discharge outlet (14); A flow diversion component (2) is arranged in the reaction tank (1), the flow diversion component (2) comprises a first adapter box (21) and a plurality of first drainage tubes (22), the first adapter box (21) has a first liquid inlet and a plurality of first liquid outlets, the first liquid inlet is connected to the feed port (13), the first drainage tubes (22) are connected to the first liquid outlets in a one-to-one correspondence, the plurality of first drainage tubes (22) are distributed around the axis of the reaction tank (1), one end of the first drainage tube (22) away from the first adapter box (21) points to the side wall of the reaction tank (1), and the first drainage tube (22) is a hose; A positioning component (3) for positioning the inclination angle of the first drainage tube (22); as well as An ion exchange resin layer (4) is built into the reaction tank (1), and the ion exchange resin layer (4) is located below the diversion component (2).

2. An ion exchange device for preparing silica sol according to claim 1, characterized in that: The flow diversion component (2) further comprises a plurality of second adapter boxes (23) and a plurality of second drainage tubes (24); the second adapter boxes (23) have a second liquid inlet and a plurality of second liquid outlets; the second adapter boxes (23) correspond one-to-one to the first drainage tubes (22); the plurality of second adapter boxes (23) are distributed below the first adapter box (21); the second liquid inlet of the second adapter box (23) is connected to the corresponding first drainage tube (22); the second drainage tube (24) corresponds one-to-one to the second liquid outlet; the second drainage tube (24) is connected to the corresponding second liquid outlet.

3. The ion exchange device for preparing silica sol according to claim 1, characterized in that: At least one positioning component (3) is provided, and each two first drainage tubes (22) correspond to one positioning component (3), and the positioning component (3) is used to limit the included angle between the corresponding two first drainage tubes (22).

4. An ion exchange device for preparing silica sol according to claim 3, characterized in that: The positioning assembly (3) comprises a positioning rod (31), and the positioning rod (31) is connected between the corresponding two first drainage tubes (22).

5. An ion exchange device for preparing silica sol according to claim 4, characterized in that: The positioning assembly (3) further comprises a positioning sleeve (32), two positioning sleeves (32) are provided and correspond one to one with the first drainage tubes (22), the positioning sleeves (32) are sleeved on the outer side of the corresponding first drainage tube (22), and the positioning rod (31) is connected between the two corresponding positioning sleeves (32).

6. An ion exchange device for preparing silica sol according to claim 5, characterized in that: The positioning sleeve (32) is connected to a positioning block (33), the positioning block (33) has a connecting plane (331), the two ends of the positioning rod (31) respectively correspond to one of the positioning blocks (33), and the end of the positioning rod (31) is connected to the connecting plane (331).

7. An ion exchange device for preparing silica sol according to claim 6, characterized in that: The positioning rod (31) is fixedly connected to the positioning block (33).

8. An ion exchange device for preparing silica sol according to claim 6, characterized in that: A first magnetic block (34) is embedded in the connecting plane (331), and second magnetic blocks (35) are respectively embedded at both ends of the positioning rod (31), and there is an adsorption force between the first magnetic block (34) and the second magnetic block (35).

9. An ion exchange device for preparing silica sol according to claim 3, characterized in that: The first drainage tube (22) is a telescopic bellows.

10. The ion exchange device for preparing silica sol according to claim 1, characterized in that: The first liquid inlet of the first adapter box (21) is connected to a connecting pipe (211), a feeding pipe (15) is fixed at the feeding port (13) of the reaction tank (1), and the connecting pipe (211) is detachably connected to the feeding pipe (15).

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