Double-layer liquid dispersing device for rubidium and cesium separation packed tower

Abstract

The utility model discloses a double-layer liquid dispersion device for a rubidium and cesium separation packed tower, which relates to the technical field of liquid mass transfer equipment and comprises a heavy-phase liquid dispersion layer and a light-phase liquid dispersion layer, the heavy-phase liquid dispersion layer is mounted at the top of the tower, and the light-phase liquid dispersion layer is mounted at the bottom of the tower; the side wall of the tower top is communicated with the light-phase liquid outlet, and the mounting height of the light-phase liquid outlet is higher than that of the heavy-phase liquid dispersion layer; the side wall of the tower bottom is communicated with the pulse interface, the bottom of the tower bottom is communicated with the heavy phase liquid outlet, and the mounting height of the pulse interface is higher than that of the light phase liquid dispersion layer. According to the double-layer liquid dispersing device for the rubidium and cesium separation packed tower, the effect of improving the uniformity of initial liquid is achieved, the effective contact length of two-phase liquid is shortened, the efficiency of the extraction process can be improved, the overall length of the tower body can be reduced, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid mass transfer equipment technical field especially relates to a double -deck liquid dispersion device for rubidium cesium separation packing tower. BACKGROUND

[0002] Liquid-liquid extraction column becomes the liquid-liquid extraction separation equipment with the most extensive application prospect because of small floor area, large processing capacity, strong running stability and other advantages. However, since the liquid-liquid extraction system is relatively complex, the current extraction column design is not perfect enough, and there are still many problems such as insufficient interaction of liquid droplets when being enlarged to practical application. Therefore, the liquid-liquid extraction column separation technology still needs continuous optimization and development to ensure efficient and stable operation in practical application.

[0003] And in the process of rubidium cesium separation, the heavy phase containing rubidium cesium solution is sent into the tower from the top of the packing tower, and the light phase extractant is sent into the tower from the bottom, under the action of gravity, the heavy phase containing rubidium cesium solution flows downward and reacts with the upward floating light phase extractant, and the initial uniformity of the heavy phase containing rubidium cesium solution and the light phase extractant directly affects the extraction effect of the rubidium cesium separation process.

[0004] How to develop a double-layer liquid dispersion device for rubidium cesium separation packing tower to solve the problem of uneven initial distribution of liquid in the tower and improve production efficiency has become a technical problem to be solved by the technical personnel in the field. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a double-layer liquid dispersion device for rubidium cesium separation packing tower to solve the problems listed in the background art.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model relates to a double-layer liquid dispersion device for rubidium cesium separation packing tower, including heavy phase liquid dispersion layer and light phase liquid dispersion layer, the heavy phase liquid dispersion layer is installed at the tower top, the light phase liquid dispersion layer is installed at the tower bottom;

[0008] The side wall of the tower top is in communication with the light phase liquid outlet, and the installation height of the light phase liquid outlet is higher than that of the heavy phase liquid dispersion layer;

[0009] The side wall of the tower bottom is in communication with the pulse interface, the bottom of the tower bottom is in communication with the heavy phase liquid outlet, and the installation height of the pulse interface is higher than that of the light phase liquid dispersion layer.

[0010] Preferably, the heavy phase liquid dispersion layer and the light phase liquid dispersion layer are both installed with a dispersion device, two dispersion devices are structurally same, and two dispersion devices are installed oppositely.

[0011] Preferably, the dispersion device comprises a dispersion device outer wall, an upper end opening of the dispersion device outer wall is provided with a cover plate, an inner side wall of a middle part of the dispersion device outer wall is provided with an upper layer dispersion plate, the upper layer dispersion plate is uniformly provided with upper layer dispersion holes, a lower end opening of the dispersion device outer wall is provided with a lower layer dispersion plate, and the lower layer dispersion plate is uniformly provided with lower layer dispersion holes.

[0012] Preferably, an upper chamber is formed between opposite surfaces of the cover plate and the upper layer dispersion plate.

[0013] A lower chamber is formed between opposite surfaces of the upper layer dispersion plate and the lower layer dispersion plate.

[0014] The upper chamber and the lower chamber have the same height.

[0015] Preferably, a conveying pipe is further provided, one end of the conveying pipe penetrates through the cover plate and communicates with the upper chamber, and the other end of the conveying pipe communicates with a feeding connecting port.

[0016] Preferably, the upper layer dispersion holes have a diameter of 4.0 mm and a distribution rate of 80%, and the lower layer dispersion holes have a diameter of 8 mm and a distribution rate of 50%.

[0017] Preferably, the outer diameter of the dispersion device outer wall is smaller than the inner diameter of the tower top and the tower bottom.

[0018] Compared with the prior art, the beneficial technical effects of the present application are as follows:

[0019] The present application is a double-layer liquid dispersion device for a rubidium and cesium separation packed tower, the gap between the dispersion device outer wall and the tower cylinder and the added closed cover plate separate the two-phase liquid while ensuring the smooth floating of the light phase extractant, which is beneficial to the pre-separation of the two phases; the added two layers of dispersion plates and dispersion holes make the heavy phase rubidium and cesium solution uniformly flow out from the lower small holes after being dispersed twice, which improves the uniformity of the initial liquid, shortens the effective length of the two-phase liquid contact, improves the efficiency of the extraction process, and reduces the overall length of the tower and saves costs; further, the present application is applicable to both large and small packed towers, and when used in a large packed tower, the dispersion effect is more excellent due to the "amplification effect". BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application will be further described below in combination with the drawings.

[0021] Fig. 1 Fig. 1 is a perspective view of a double-layer liquid dispersion device for a rubidium and cesium separation packed tower according to the present application;

[0022] Fig. 2The utility model relates to a double -layer liquid dispersion device for rubidium cesium separation filler tower assembly schematic drawing.

[0023] Mark explanation: 1, feed connecting mouth, 2, conveying pipe, 3, cover, 4, dispersion device outer wall, 5, upper chamber, 6, upper layer dispersion board, 7, upper layer dispersion hole, 8, lower layer dispersion board, 9, lower chamber, 10, lower layer dispersion hole, 11, heavy phase liquid dispersion layer, 12, light phase liquid outlet, 13, light phase liquid dispersion layer, 14, pulse interface, 15, heavy phase liquid outlet. Specific embodiments

[0024] In order to make the technical problem, technical scheme and beneficial effect that the utility model wants to solve be more clear and distinct, the following is in combination with the drawing and example, and the utility model is further detailedly explained.It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] As Figs. 1-2 The utility model relates to a double -layer liquid dispersion device for rubidium cesium separation filler tower, including heavy phase liquid dispersion layer 11 and light phase liquid dispersion layer 13, heavy phase liquid dispersion layer 11 installs at tower top, light phase liquid dispersion layer 13 installs at tower bottom,

[0026] The lateral wall of tower top communicates with light phase liquid outlet 12, and the installation height of light phase liquid outlet 12 is higher than the installation height of heavy phase liquid dispersion layer 11,

[0027] The lateral wall of tower bottom communicates with pulse interface 14, and the bottom of tower bottom communicates with heavy phase liquid outlet 15, and the installation height of pulse interface 14 is higher than the installation height of light phase liquid dispersion layer 13.

[0028] Specifically, heavy phase liquid dispersion layer 11 and light phase liquid dispersion layer 13 are both installed with a dispersion device, two dispersion devices are the same structure, and two dispersion devices are installed oppositely.

[0029] Specifically, the dispersion device includes dispersion device outer wall 4, cover 3 is installed on the upper end opening of dispersion device outer wall 4, upper layer dispersion board 6 is installed on the middle inner side wall of dispersion device outer wall 4, upper layer dispersion hole 7 is uniformly formed on upper layer dispersion board 6, lower layer dispersion board 8 is installed on the lower end opening of dispersion device outer wall 4, and lower layer dispersion hole 10 is uniformly formed on lower layer dispersion board 8.

[0030] Specifically, the opposite surface between cover 3 and upper layer dispersion board 6 forms upper chamber 5,

[0031] The opposite surface between upper layer dispersion board 6 and lower layer dispersion board 8 forms lower chamber 9,

[0032] The upper chamber 5 has the same height as the lower chamber 9.

[0033] Specifically, the conveying pipe 2 has one end penetrating the cover plate 3 and communicating with the upper chamber 5, and the other end communicating with the feed connection port 1.

[0034] Specifically, the upper layer dispersion hole 7 has a diameter of 4.0 mm and a distribution rate of 80%, and the lower layer dispersion hole 10 has a diameter of 8 mm and a distribution rate of 50%.

[0035] Specifically, the outer diameter of the dispersion device outer wall 4 is less than the inner diameter of the tower top and the tower bottom.

[0036] A working method of a double-layer liquid dispersion device for a rubidium and cesium separation packed tower, comprising the following steps:

[0037] 1) The dispersion device can be installed at the tower top as a heavy phase dispersion device, or at the tower bottom as a light phase dispersion device; when used at the tower top, the heavy phase liquid continuously enters the upper chamber 5 through the conveying pipe 2, and then the heavy phase liquid flows to the lower chamber 9 through the upper layer dispersion holes 7 of the upper layer dispersion plate 6, completing the first dispersion;

[0038] 2) After the heavy phase liquid flows into the lower chamber, it continues to flow downward and flows into the tower through the lower layer dispersion holes 10 of the lower layer dispersion plate 8, and because the lower layer dispersion holes have a higher distribution rate and a smaller diameter than the upper layer dispersion holes, the speed of the heavy phase liquid slows down when passing through the lower layer dispersion holes, achieving uniform dispersion again and flowing into the tower;

[0039] 3) When the dispersion device is used at the tower bottom, the uniformly dispersed light phase liquid enters the tower and fully contacts with the heavy phase liquid to occur extraction reaction, and then the heavy phase liquid flows out from the heavy phase liquid outlet at the tower bottom under the action of gravity, and the light phase liquid floats to the light phase liquid outlet at the tower top and flows out.

[0040] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0041] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower, characterized in that: It includes a heavy phase liquid dispersion layer (11) and a light phase liquid dispersion layer (13), wherein the heavy phase liquid dispersion layer (11) is installed at the top of the tower and the light phase liquid dispersion layer (13) is installed at the bottom of the tower; The side wall of the tower top is connected to the light phase liquid outlet (12), and the installation height of the light phase liquid outlet (12) is higher than the installation height of the heavy phase liquid dispersion layer (11). The sidewall of the tower bottom is connected to the pulse interface (14), the bottom of the tower bottom is connected to the heavy phase liquid outlet (15), and the installation height of the pulse interface (14) is higher than the installation height of the light phase liquid dispersion layer (13).

2. The double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 1, characterized in that: Both the heavy phase liquid dispersion layer (11) and the light phase liquid dispersion layer (13) are equipped with a dispersion device. The two dispersion devices have the same structure and are installed opposite each other.

3. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 2, characterized in that: The dispersing device includes an outer wall (4), a cover plate (3) is installed at the upper opening of the outer wall (4), an upper dispersing plate (6) is installed on the inner side wall of the middle part of the outer wall (4), upper dispersing holes (7) are evenly opened on the upper dispersing plate (6), and a lower dispersing plate (8) is installed at the lower opening of the outer wall (4), lower dispersing holes (10) are evenly opened on the lower dispersing plate (8).

4. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 3, characterized in that: An upper chamber (5) is formed between the opposite surfaces of the cover plate (3) and the upper dispersion plate (6); A lower chamber (9) is formed between the opposing surfaces of the upper dispersion plate (6) and the lower dispersion plate (8); The upper chamber (5) and the lower chamber (9) are at the same height.

5. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 4, characterized in that: It also includes a conveying pipe (2), one end of which passes through the cover plate (3) and communicates with the upper chamber (5), and the other end of which is connected to the feed inlet (1).

6. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 3, characterized in that: The upper dispersion pore (7) has a diameter of 4.0 mm and a distribution rate of 80%, while the lower dispersion pore (10) has a diameter of 8 mm and a distribution rate of 50%.

7. A double-layer liquid dispersion device for a rubidium-cesium separation packed tower according to claim 3, characterized in that: The outer diameter of the outer wall (4) of the dispersion device is smaller than the inner diameter of the top and bottom of the tower.

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