Zirconium and hafnium fractional extraction device

Abstract

The utility model relates to the technical field of extraction devices, and discloses a zirconium and hafnium fractional extraction device which comprises a separation box, a fractionation cavity is formed in the upper portion of the interior of the separation box, a first rotating shaft is arranged in the fractionation cavity, a plurality of sets of first stirring blades are fixedly arranged on the first rotating shaft, and a cleaning plate is fixedly installed at the bottom of the first rotating shaft. The cleaning plate is attached to the sealing plate, the sealing plate is arranged in the middle of the interior of the separation box, the cleaning plate is arranged, the cleaning plate is attached to the sealing plate, liquid materials remaining on the sealing plate can be pushed into the circulating groove in the sealing plate when the cleaning plate rotates, the circulating groove is in a long strip shape, and therefore the liquid materials can be separated from the circulating groove. According to the cleaning plate, liquid materials can flow into the mixing cavity at the bottom of the circulating groove more quickly and intensively, meanwhile, in the rotating process of the cleaning plate, the strip shape is well matched with the rotating path, the liquid materials can be continuously and effectively collected, and omission is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of extraction devices, in particular to a zirconium-hafnium fractionation extraction device. Background Art

[0002] Zirconium exists in the form of baddeleyite (ZrO2) and zircon (ZrSiO4) in the earth's crust, while hafnium does not exist as a separate mineral. It always coexists with zirconium in nature. There is no separate hafnium ore. The hafnium content in zirconium in nature is generally 2-3%. Due to the huge difference in the nuclear properties of zirconium and hafnium, the hafnium content in atomic-level zirconium is required to be less than 100ppm, and the zirconium content in atomic-level hafnium is required to be less than 2%. Therefore, zirconium used in nuclear reactors must be separated from zirconium and hafnium.

[0003] The Chinese utility model patent with patent application number 202321590538.3 provides a fractionation extraction structure. Through the coordinated use of the fractionation component and the temperature control component, it is convenient to accurately control the heating temperature, which is beneficial to improve the effect of fractionation. Through the coordinated use of the extraction component and the stirring component, the mixing effect of the extractant and the liquid material is improved, the efficiency of the extraction is accelerated, the transfer of materials in the middle is avoided, the zirconium and hafnium are effectively separated, and the doping of impurities is avoided to a large extent.

[0004] However, during the use of the above-mentioned equipment, it was found that the liquid material entered the top of the sealing plate through the feeding pipe and was fractionated by the electric heating wire. However, in order to ensure that the liquid material was heated evenly during the distillation, the sealing plate needed to be in a horizontal state. As a result, when the solenoid valve was opened, the adhesion between some liquid materials and the sealing plate made the liquid material remain stable within a certain range, overcoming the flow trend caused by gravity, resulting in the liquid material staying on the sealing plate and unable to enter the bottom of the separation box, resulting in omissions. Utility Model Content

[0005] The purpose of the utility model is to provide a zirconium-hafnium fractionation extraction device to solve the problem proposed in the above background technology that the adhesion between part of the liquid material and the sealing plate enables the liquid material to remain stable within a certain range, overcome the flow trend brought by gravity, and cause the liquid material to stay on the sealing plate and be unable to enter the bottom of the separation box to form leakage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a zirconium-hafnium fractionation extraction device, comprising a separation box, a fractionation chamber is arranged on the upper part of the separation box, a rotating shaft is arranged in the fractionation chamber, a plurality of groups of stirring plates are fixedly arranged on the rotating shaft, a cleaning plate is fixedly installed on the bottom of the rotating shaft, the cleaning plate is fitted with a sealing plate, and the sealing plate is arranged in the middle of the interior of the separation box.

[0007] Preferably, a circulation groove is provided in the middle of the sealing plate, the circulation groove is in the shape of an elongated strip, a heating groove is provided inside the sealing plate, a heating wire is installed inside the heating groove, and a movable groove is provided inside the sealing plate.

[0008] Preferably, a threaded rod is rotatably connected inside the movable groove, the threaded rod is spirally connected to a connecting frame, the connecting frame is fixed to one end of a baffle, the baffle is slidably arranged in the circulation groove, a connecting hole is opened in the baffle, the size of the connecting hole is adapted to the threaded rod, and one end of the threaded rod is connected to motor 2.

[0009] Preferably, the top of the distillation chamber is connected to an air outlet, a connecting pipe is installed on the air outlet, a condenser is provided on the connecting pipe, the top of the separation box is connected to the sealing cover through connecting bolts, a motor 1 is provided on the top of the sealing cover, the output end of the motor 1 is connected to the rotating shaft 1, and a feed port is provided in the sealing cover.

[0010] Preferably, a control panel is installed on the outside of the separation box, a mixing chamber is provided inside the separation box, the mixing chamber is provided below the sealing plate, the mixing chamber and the distillation chamber are connected through a flow groove, a temperature sensor is installed on the inner wall of the distillation chamber, and a door panel is provided on the outside of the mixing chamber.

[0011] Preferably, a stirring assembly is provided inside the mixing chamber, and the stirring assembly includes a motor three, the output end of the motor three is connected to a rotating shaft two, a plurality of groups of stirring blades two are fixedly provided on the rotating shaft two, and a steam delivery pipe is installed on one side of the mixing chamber.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a cleaning plate and utilizes the fit between the cleaning plate and the sealing plate so that the cleaning plate can push the liquid material remaining on the sealing plate into the flow groove on the sealing plate when rotating. The flow groove is in the shape of a long strip, which can enable the liquid material to flow into the mixing chamber at the bottom of the flow groove more quickly and concentratedly. At the same time, during the rotation of the cleaning plate, the long strip and the rotation path are well matched, which can continuously and effectively collect liquid materials and reduce omissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a diagram showing the internal structure of the separation box of the utility model;

[0015] Figure 2 For this utility model Figure 1 Display diagram of the outside of the center separation box;

[0016] Figure 3 For this utility model Figure 1The internal heating tank of the middle sealing plate is shown;

[0017] Figure 4 For this utility model Figure 3 Structural representation of the internal moving groove of the middle sealing plate.

[0018] In the figure: 1. separation box; 11. distillation chamber; 12. temperature sensor; 13. mixing chamber; 14. control panel; 15. door panel; 16. sealing plate; 161. circulation slot; 162. heating slot; 1621. heating wire; 163. baffle; 1631. connecting hole; 1632. connecting frame; 164. moving slot; 165. threaded rod; 166. motor two; 2. sealing cover; 21. feed inlet; 22. motor one; 23. rotating shaft one; 24. air outlet; 25. stirring blade one; 26. cleaning plate; 3. connecting pipe; 4. condenser; 5. connecting bolt; 6. stirring assembly; 61. motor three; 62. rotating shaft two; 63. stirring blade two; 7. steam delivery pipe. DETAILED DESCRIPTION

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

[0020] Embodiment 1

[0021] See also Figure 1-Figure 4 The zirconium-hafnium fractionation extraction device shown in the figure comprises a separation box 1, a fractionation chamber 11 is arranged on the upper part of the separation box 1, a rotating shaft 23 is arranged in the fractionation chamber 11, a plurality of stirring plates 25 are fixedly arranged on the rotating shaft 23, a cleaning plate 26 is fixedly installed on the bottom of the rotating shaft 23, the cleaning plate 26 is fitted with a sealing plate 16, and the sealing plate 16 is arranged in the middle of the separation box 1;

[0022] A flow groove 161 is provided in the middle of the sealing plate 16. The flow groove 161 is in a long strip shape. A heating groove 162 is provided inside the sealing plate 16. A heating wire 1621 is installed inside the heating groove 162. A moving groove 164 is provided inside the sealing plate 16.

[0023] The movable groove 164 is internally rotatably connected with a threaded rod 165, which is spirally connected with a connecting frame 1632, which is fixed at one end of a baffle 163, which is slidably arranged in the flow groove 161, and a connecting hole 1631 is opened in the baffle 163, and the size of the connecting hole 1631 is adapted to the threaded rod 165, and one end of the threaded rod 165 is connected with a motor 2 166;

[0024] The top of the fractionation chamber 11 is connected with an air outlet 24, a connecting pipe 3 is installed on the air outlet 24, a condenser 4 is arranged on the connecting pipe 3, the top of the separation box 1 is connected with the sealing cover 2 through a connecting bolt 5, a motor 22 is arranged on the top of the sealing cover 2, the output end of the motor 22 is connected with the rotating shaft 23, and a feed port 21 is arranged in the sealing cover 2;

[0025] A control panel 14 is installed on the outer side of the separation box 1, and a mixing chamber 13 is arranged inside the separation box 1. The mixing chamber 13 is arranged below the sealing plate 16. The mixing chamber 13 and the fractionation chamber 11 are connected through a flow slot 161. A temperature sensor 12 is installed on the inner wall of the fractionation chamber 11, and a door panel 15 is arranged on the outer side of the mixing chamber 13.

[0026] A stirring assembly 6 is arranged inside the mixing chamber 13, and the stirring assembly 6 includes a motor 3 61. The output end of the motor 3 61 is connected to a rotating shaft 2 62, and a plurality of stirring blades 2 63 are fixedly arranged on the rotating shaft 2 62. A steam delivery pipe 7 is installed on one side of the mixing chamber 13.

[0027] In this solution, during use of the device, the liquid material is poured from the feed port 21 into the internal fractionation chamber 11 of the separation box 1, and the control panel 14 on the outside of the separation box 1 is used to control the heating wire 1621 inside the sealing plate 16 to be connected to the external power supply component, so that the heating wire 1621 can heat and fractionate the liquid material on the sealing plate 16 after the current is connected. When the heating fractionation is performed, the motor 22 controls the rotation of the rotating shaft 23, so that the multiple groups of stirring blades 25 on the rotating shaft 23 can drive the liquid material to rotate, thereby achieving uniform heating of the liquid material and avoiding local overheating of the liquid material.

[0028] After the fractionation is completed, the motor 166 is used to control the threaded rod 165 to rotate, and the threaded rod 165 is connected to the connecting frame 1632 by a spiral connection, so that the connecting frame 1632 moves along the moving groove 164 during the rotation of the threaded rod 165, thereby driving the baffle 163 to move in the circulation groove 161, so that the liquid material in the fractionation chamber 11 can enter the mixing chamber 13 at the bottom of the sealing plate 16. During the movement of the baffle 163, one end of the threaded rod 165 moves into the connecting hole 1631 on the baffle 163, so that the movement range of the baffle 163 is larger, which can improve the efficiency of the fractionation. High efficiency of liquid material movement. In the process of liquid material moving from the fractionation chamber 11 to the mixing chamber 13, some liquid material will remain on the sealing plate 16. The motor 22 is used to control the rotating shaft 23 to drive the cleaning plate 26 to rotate. The cleaning plate 26 and the sealing plate 16 are fitted together, so that the cleaning plate 26 can push the residual liquid material into the flow groove 161 when rotating. The flow groove 161 is in a long strip shape and is compatible with the cleaning plate 26. It can effectively collect the liquid material pushed by the cleaning plate 26, reduce the leakage of liquid material, and enable the liquid material to completely enter the mixing chamber 13.

[0029] The liquid material entering the mixing chamber 13 is mixed with the extractant, and the stirring assembly 6 is used to fully mix the liquid material and the extractant. After the extraction of the liquid material is completed, the staff can open the door panel 15 to facilitate the staff to clean and maintain the multiple groups of stirring plates 2 63 in the stirring assembly 6. At the same time, the sealing cover 2 can be separated from the separation box 1 by removing the connecting bolts 5, thereby realizing the cleaning and maintenance of the stirring plate 1 25 and the cleaning plate 26, thereby effectively improving the use effect and life of the device.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A zirconium and hafnium fractionation extraction device, characterized in that: include: A separation box (1), wherein a fractionation chamber (11) is arranged at the upper part of the interior of the separation box (1), a rotating shaft (23) is arranged in the fractionation chamber (11), a plurality of groups of stirring plates (25) are fixedly arranged on the rotating shaft (23), a cleaning plate (26) is fixedly installed at the bottom of the rotating shaft (23), the cleaning plate (26) is in contact with a sealing plate (16), and the sealing plate (16) is arranged in the middle of the interior of the separation box (1).

2. A zirconium-hafnium fractionation extraction device according to claim 1, characterized in that: A circulation groove (161) is arranged in the middle of the sealing plate (16), and the circulation groove (161) is in the shape of an elongated strip. A heating groove (162) is arranged inside the sealing plate (16), and a heating wire (1621) is installed inside the heating groove (162). A movable groove (164) is arranged inside the sealing plate (16).

3. A zirconium-hafnium fractionation extraction device according to claim 2, characterized in that: A threaded rod (165) is rotatably connected inside the movable groove (164), and the threaded rod (165) is spirally connected to a connecting frame (1632). The connecting frame (1632) is fixed to one end of a baffle (163), and the baffle (163) is slidably arranged in the circulation groove (161). A connecting hole (1631) is opened in the baffle (163), and the size of the connecting hole (1631) is adapted to the threaded rod (165). One end of the threaded rod (165) is connected to a second motor (166).

4. The zirconium-hafnium fractionation extraction device according to claim 1, characterized in that: The top of the distillation chamber (11) is connected to an air outlet (24), a connecting pipe (3) is installed on the air outlet (24), a condenser (4) is arranged on the connecting pipe (3), the top of the separation box (1) is connected to the sealing cover (2) through a connecting bolt (5), a motor 1 (22) is arranged on the top of the sealing cover (2), the output end of the motor 1 (22) is connected to a rotating shaft 1 (23), and a feed port (21) is arranged in the sealing cover (2).

5. The zirconium-hafnium fractionation extraction device according to claim 3, characterized in that: A control panel (14) is installed on the outer side of the separation box (1), a mixing chamber (13) is arranged inside the separation box (1), the mixing chamber (13) is arranged below the sealing plate (16), the mixing chamber (13) and the fractionation chamber (11) are connected through a circulation groove (161), a temperature sensor (12) is installed on the inner wall of the fractionation chamber (11), and a door panel (15) is arranged on the outer side of the mixing chamber (13).

6. The zirconium-hafnium fractionation extraction device according to claim 5, characterized in that: A stirring assembly (6) is arranged inside the mixing chamber (13), wherein the stirring assembly (6) comprises a motor three (61), an output end of the motor three (61) is connected to a rotating shaft two (62), a plurality of groups of stirring blades two (63) are fixedly arranged on the rotating shaft two (62), and a steam delivery pipe (7) is installed on one side of the mixing chamber (13).

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