A radioactive waste liquid separation tank

Abstract

This utility model relates to the field of radioactive waste liquid treatment technology, and discloses a radioactive waste liquid separation tank, including a separation tank, an internal stirring component for auxiliary waste liquid separation, a first sealing cover on the top of the separation tank, an addition port on the top of the first sealing cover, and an addition component on the addition port for adding precipitant under sealed conditions. By setting an addition component for adding precipitant under sealed conditions and an adjustment component for adjusting the addition speed, the problem of radioactive material leakage and external impurities entering due to short-term unsealing during precipitant addition is effectively avoided. At the same time, the addition speed of precipitant can be flexibly adjusted to ensure the smooth progress of the precipitation reaction, improve the separation effect of radioactive waste liquid, and ensure the safety of operators and the environment.

Description

Technical Field

[0001] This utility model relates to the field of radioactive waste liquid treatment technology, and in particular to a radioactive waste liquid separation tank. Background Technology

[0002] Currently, when using precipitation to separate radioactive waste liquid, the separation tank needs to be sealed to prevent radioactive material leakage from harming the environment and personnel due to the hazardous nature of the radioactive waste liquid.

[0003] However, during the process of adding precipitant, there are often brief periods when the seal is broken. This process can cause several problems: First, the brief breaking of the seal poses a risk of radioactive material leakage. Once leaked, radioactive material may spread into the surrounding environment in the form of gas, aerosol, or fine particles, polluting the air, soil, and water sources. This poses a serious threat to the health of operators, increasing the risk of radiation-related diseases such as cancer and leukemia, and also causing long-term damage to the surrounding ecological environment. Second, external dust and impurities can enter the separation tank. These impurities react with the waste liquid or precipitant, interfering with the normal precipitation reaction, affecting the separation effect, and leading to an increase in the residual radioactive material in the separated waste liquid, failing to meet the expected treatment standards. Therefore, it is necessary to design a separation tank that can maintain a sealed state when adding precipitant. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a radioactive waste liquid separation tank.

[0005] This utility model is achieved using the following technical solution: a radioactive waste liquid separation tank, comprising a separation tank, wherein the separation tank is provided with a stirring assembly for assisting waste liquid separation, the top of the separation tank is provided with a first sealing cover, the top of the first sealing cover is provided with an addition port, the addition port is provided with an addition assembly capable of adding precipitant under sealed conditions, the bottom sides of the addition assembly are symmetrically provided with adjustment assemblies for adjusting the precipitant addition speed in conjunction with the addition assembly, the addition assembly includes a sealing ring fixedly installed inside the addition port, an addition cylinder is slidably arranged inside the sealing ring, and a second sealing cover is rotatably installed on the top of the addition cylinder.

[0006] The above technical solution allows for the addition of precipitant by first adding the precipitant into the addition cylinder, then covering it with the second sealing cap, and finally lowering the addition cylinder. This allows for the addition of precipitant without disrupting the overall sealed environment, effectively preventing the leakage of radioactive materials and the entry of external impurities during the addition of precipitant.

[0007] As a further improvement to the above solution, the outer surface of the adding cylinder is in contact with the inner wall of the sealing ring.

[0008] The above technical solution ensures the airtightness between the filling cylinder and the sealing ring, further preventing the leakage of radioactive materials and the entry of external impurities.

[0009] As a further improvement to the above solution, a threaded post is provided on one side of the sealing ring, one end of which is threaded through the sealing ring and fits against the adding cylinder, and a rotating block is fixedly installed on the other end of the threaded post.

[0010] The above technical solution involves rotating the rotating block to drive the threaded column to rotate, which in turn causes the threaded column to exert a squeezing force on the adding cylinder, thereby fixing the position of the adding cylinder and ensuring that the adding cylinder will not move randomly during the adding process, thus maintaining a good sealing condition.

[0011] As a further improvement to the above solution, the adjustment assembly includes a sealing half-ring disposed on one side of the bottom end of the sealing ring. Two limiting rods are fixedly installed on one side of the sealing half-ring. Limiting blocks that are fixedly installed on the bottom side of the first sealing cover are sleeved on the two limiting rods. A limiting block is fixedly installed on one end of each of the two limiting rods. A spring is sleeved on each of the two limiting rods. The two ends of each spring abut against the sealing half-ring and the limiting block, respectively.

[0012] With the above technical solution, when the adding cylinder descends, it squeezes the sealing half-ring, causing it to move outward against the spring force. This changes the size of the opening between the two sealing half-rings, thereby adjusting the addition speed of the precipitant. The spring, limit rod, limit block, and restrictive block work together to ensure that the sealing half-rings can move flexibly to adjust the opening size, and also to return the sealing half-rings to their original position after addition, maintaining good sealing performance.

[0013] As a further improvement to the above solution, two T-shaped sliding grooves are provided on the bottom side of the first sealing cover. The two sliding grooves are symmetrically distributed on both sides of the sealing ring. Sliding blocks are slidably arranged inside the two sliding grooves, and one side of each sliding block is fixedly installed with the adjacent sealing half ring.

[0014] Through the above technical solution, the cooperation between the "T"-shaped sliding groove and the sliding block provides a stable guide for the movement of the sealing half ring, ensuring that the sealing half ring will not deviate or shake during the movement, making the adjustment of the precipitant addition rate more precise and reliable.

[0015] As a further improvement to the above solution, the top of each of the two sealing semi-rings is provided with an inclined guide groove.

[0016] Through the above technical solution, the guide groove facilitates better compression of the sealing half-ring when the addition cylinder descends, making the movement of the sealing half-ring smoother. At the same time, it also helps the precipitant to enter the separation tank more evenly during the addition process, thus improving the addition effect.

[0017] As a further improvement to the above solution, each of the two sealing semi-rings has a pushing hole on its opposite surface. A support rod is fixedly installed inside the adding cylinder, and a pushing block is fixedly sleeved on the support rod. Both the upper and lower ends of the pushing block are tapered. A sealing column is fixedly installed at the bottom end of the pushing block, and the bottom end of the sealing column extends into the interior of the two pushing holes.

[0018] With the above technical solution, when the adding cylinder descends, the pushing block descends synchronously with the adding cylinder. The conical pushing block can more effectively squeeze the sealing half ring, making the sealing half ring open a larger opening, which facilitates the rapid addition of the precipitant.

[0019] As a further improvement to the above solution, a third sealing cover is provided on the top of the first sealing cover, and a sealing strip is fitted on the cylindrical surface at the bottom of the third sealing cover, and the sealing strip is fixedly installed to the top of the first sealing cover.

[0020] Through the above technical solutions, the third sealing cover and sealing strip further enhance the sealing performance of the top of the separation tank, providing multiple safeguards against the leakage of radioactive materials during the addition of precipitant and the entire waste liquid separation process, thereby improving the safety of the equipment.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] This invention effectively avoids the problems of radioactive material leakage and external impurities entering due to short-term unsealing when adding precipitant by setting an addition component that allows for the addition of precipitant under sealed conditions and an adjustment component that allows for adjustment of the addition speed. At the same time, the addition speed of precipitant can be flexibly adjusted to ensure the smooth progress of the precipitation reaction, improve the separation effect of radioactive waste liquid, and protect the safety of operators and the environment. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of the present invention with added components;

[0025] Figure 3 This is a schematic diagram of the internal structure of the separation tank of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the present invention with an adding port;

[0027] Figure 5 A cross-sectional structural diagram of the added components and fixing components of this utility model;

[0028] Figure 6 This is a schematic diagram of the internal structure of the adding cylinder of this utility model;

[0029] Figure 7 This utility model Figure 3 Enlarged view of the structure of part A.

[0030] Explanation of key symbols:

[0031] 1. Separation tank; 2. Stirring assembly; 3. First sealing cover; 4. Addition port; 501. Sealing ring; 502. Addition cylinder; 503. Second sealing cover; 601. Sealing half ring; 602. Limiting rod; 603. Limiting block; 604. Restricting block; 605. Spring; 7. Threaded column; 8. Rotating block; 9. Sliding groove; 10. Sliding block; 11. Guide groove; 12. Support rod; 13. Pushing block; 14. Sealing column; 15. Third sealing cover; 16. Sealing strip. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0033] Please combine Figures 1-7 This embodiment of a radioactive waste liquid separation tank includes a separation tank 1. The separation tank 1 is equipped with a stirring assembly 2 for assisting in waste liquid separation. The top of the separation tank 1 is equipped with a first sealing cover 3. The top of the first sealing cover 3 is provided with an addition port 4. The addition port 4 is equipped with an addition assembly that can add precipitant under sealed conditions. The bottom sides of the addition assembly are symmetrically provided with adjustment assemblies that work with the addition assembly to adjust the precipitant addition speed.

[0034] The addition component includes a sealing ring 501 fixedly installed inside the addition port 4, an addition cylinder 502 slidably disposed inside the sealing ring 501, a second sealing cover 503 rotatably installed on the top of the addition cylinder 502, and the outer surface of the addition cylinder 502 is in contact with the inner wall of the sealing ring 501.

[0035] When adding the precipitant, first add the precipitant to the addition cylinder 502, cover it with the second sealing cap 503, and then lower the addition cylinder 502. This allows the precipitant to be added without disrupting the overall sealed environment, effectively preventing the leakage of radioactive materials and the entry of external impurities during the addition of the precipitant.

[0036] A threaded post 7 is provided on one side of the sealing ring 501. One end of the threaded post 7 is threaded through the sealing ring 501 and fits against the adding cylinder 502. A rotating block 8 is fixedly installed on the other end of the threaded post 7.

[0037] Rotating the rotating block 8 causes the threaded column 7 to rotate, which in turn causes the threaded column 7 to exert a compressive force on the adding cylinder 502, thereby fixing the position of the adding cylinder 502 and ensuring that the adding cylinder 502 will not move randomly during the adding process, thus maintaining a good sealing state.

[0038] The adjustment assembly includes a sealing half-ring 601 disposed on one side of the bottom end of the sealing ring 501. Two limiting rods 602 are fixedly installed on one side of the sealing half-ring 601. Limiting blocks 603, which are fixedly installed on the bottom side of the first sealing cover 3, are sleeved on the two limiting rods 602. A limiting block 604 is fixedly installed on one end of each of the two limiting rods 602. A spring 605 is sleeved on each of the two limiting rods 602. The two ends of each spring 605 abut against the sealing half-ring 601 and the limiting block 603, respectively.

[0039] When the adding cylinder 502 descends, it compresses the sealing half-ring 601, causing it to move outward against the elastic force of the spring 605. This changes the size of the opening between the two sealing half-rings 601, thus adjusting the addition speed of the precipitant. The spring 605, the limiting rod 602, the limiting block 603, and the limiting block 604 work together to ensure that the sealing half-ring 601 can move flexibly to adjust the opening size, and also to return the sealing half-ring 601 to its original position after addition, maintaining good sealing performance.

[0040] The bottom side of the first sealing cover 3 has two sliding grooves 9 arranged in a "T" shape. The two sliding grooves 9 are symmetrically distributed on both sides of the sealing ring 501. Sliding blocks 10 are slidably arranged inside the two sliding grooves 9. One side of each sliding block 10 is fixedly installed with the adjacent sealing half ring 601.

[0041] The cooperation between the “T”-shaped sliding groove 9 and the sliding block 10 provides a stable guide for the movement of the sealing half ring 601, ensuring that the sealing half ring 601 will not deviate or shake during the movement, making the adjustment of the precipitant addition rate more precise and reliable.

[0042] The top of each of the two sealing semi-rings 601 is provided with an inclined guide groove 11.

[0043] The guide groove 11 facilitates better compression of the sealing half-ring 601 when the addition cylinder 502 descends, making the movement of the sealing half-ring 601 smoother. It also helps the precipitant to enter the separation tank 1 more evenly during the addition process, thus improving the addition effect.

[0044] Both of the two sealing semi-rings 601 have push holes on their opposite surfaces. A support rod 12 is fixedly installed inside the adding cylinder 502. A push block 13 is fixedly sleeved on the support rod 12. Both the upper and lower ends of the push block 13 are tapered. A sealing column 14 is fixedly installed at the bottom end of the push block 13. The bottom end of the sealing column 14 extends into the interior of the two push holes.

[0045] As the adding cylinder 502 descends, the pushing block 13 descends synchronously with it. The conical pushing block 13 can more effectively squeeze the sealing half-ring 601, causing the sealing half-ring 601 to open a larger opening, which facilitates the rapid addition of the precipitant.

[0046] The top of the first sealing cover 3 is provided with a third sealing cover 15, and a sealing strip 16 is fitted on the cylindrical surface at the bottom of the third sealing cover 15. The sealing strip 16 is fixedly installed to the top of the first sealing cover 3.

[0047] The third sealing cover 15 and sealing strip 16 further enhance the sealing performance of the top of the separation tank 1, providing multiple safeguards against the leakage of radioactive materials during the addition of precipitant and the entire waste liquid separation process, thereby improving the safety of the equipment.

[0048] The implementation principle of a radioactive waste liquid separation tank in this embodiment is as follows: In use, first open the third sealing cover 15 and the second sealing cover 503, add an appropriate amount of precipitant to the addition cylinder 502, and then close the second sealing cover 503. Rotate the rotating block 8 on the threaded column 7 so that the threaded column 7 no longer exerts pressure on the addition cylinder 502. At this time, push the addition cylinder 502 so that it slides downward within the sealing ring 501.

[0049] During the descent of the addition cylinder 502, the sealing post 14 on the push block 13 is inserted into the push hole of the sealing half ring 601. As the addition cylinder 502 continues to descend, the conical push block 13 squeezes the sealing half ring 601, causing the sealing half ring 601 to overcome the elastic force of the spring 605 and move outward along the sliding groove 9. The opening between the two sealing half rings 601 gradually increases, and the precipitant slowly flows into the separation tank 1 through the opening. The guide groove 11 at the top of the sealing half ring 601 makes the descent of the addition cylinder 502 smoother and also helps the precipitant to enter the separation tank 1 evenly.

[0050] When adjusting the addition rate of the precipitant according to actual needs, the descent speed of the addition cylinder 502 can be appropriately controlled by observing the addition situation. When it is necessary to speed up the addition, the addition cylinder 502 can be pushed faster to make the sealing half-ring 601 open a larger opening. When it is necessary to slow down the addition, the descent speed of the addition cylinder 502 can be slowed down, and the sealing half-ring 601 will partially reset under the action of the spring 605, and the opening will become smaller.

[0051] After addition, lift the addition cylinder 502 upwards. The sealing half-ring 601 returns to its original position under the elastic force of the spring 605, resealing the addition port 4. Rotate the rotating block 8 to make the threaded column 7 squeeze the addition cylinder 502 again, fixing its position. Then, put on the third sealing cover 15, start the stirring assembly 2, and begin the sedimentation and separation operation of the radioactive waste liquid.

[0052] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A radioactive waste liquid separation tank, comprising a separation tank (1), wherein the separation tank (1) is provided with a stirring assembly (2) for auxiliary waste liquid separation, and the top of the separation tank (1) is provided with a first sealing cover (3), characterized in that, The first sealing cap (3) has an addition port (4) at the top. The addition port (4) is provided with an addition component that can add precipitant under sealed conditions. The bottom sides of the addition component are symmetrically provided with adjustment components that cooperate with the addition component to adjust the precipitant addition speed. The addition component includes a sealing ring (501) fixedly installed inside the addition port (4). An addition cylinder (502) is slidably installed inside the sealing ring (501). A second sealing cap (503) is rotatably installed on the top of the addition cylinder (502).

2. The radioactive waste liquid separation tank as described in claim 1, characterized in that, The outer surface of the adding cylinder (502) is in contact with the inner wall of the sealing ring (501).

3. The radioactive waste liquid separation tank as described in claim 1, characterized in that, The sealing ring (501) has a threaded post (7) on one side. One end of the threaded post (7) is threaded through the sealing ring (501) and fits against the adding cylinder (502). The other end of the threaded post (7) is fixedly installed with a rotating block (8).

4. The radioactive waste liquid separation tank as described in claim 1, characterized in that, The adjustment assembly includes a sealing half-ring (601) disposed on one side of the bottom end of the sealing ring (501). Two limiting rods (602) are fixedly installed on one side of the sealing half-ring (601). Limiting blocks (603) that are fixedly installed on the bottom side of the first sealing cover (3) are sleeved on the two limiting rods (602). A limiting block (604) is fixedly installed on one end of each of the two limiting rods (602). A spring (605) is sleeved on each of the two limiting rods (602). The two ends of each spring (605) abut against the sealing half-ring (601) and the limiting block (603) respectively.

5. A radioactive waste liquid separation tank as described in claim 4, characterized in that, The bottom side of the first sealing cover (3) has two sliding grooves (9) arranged in a "T" shape. The two sliding grooves (9) are symmetrically distributed on both sides of the sealing ring (501). Sliding blocks (10) are slidably arranged inside the two sliding grooves (9). One side of each sliding block (10) is fixedly installed with the adjacent sealing half ring (601).

6. The radioactive waste liquid separation tank as described in claim 4, characterized in that, The top of each of the two sealing half-rings (601) is provided with an inclined guide groove (11).

7. A radioactive waste liquid separation tank as described in claim 4, characterized in that, Pushing holes are provided on the opposite surfaces of the two sealing half-rings (601). A support rod (12) is fixedly installed inside the adding cylinder (502). A pushing block (13) is fixedly sleeved on the support rod (12). Both the upper and lower ends of the pushing block (13) are tapered. A sealing column (14) is fixedly installed at the bottom end of the pushing block (13). The bottom end of the sealing column (14) extends into the interior of the two pushing holes.

8. A radioactive waste liquid separation tank as described in claim 1, characterized in that, The top of the first sealing cover (3) is provided with a third sealing cover (15), and a sealing strip (16) is fitted on the cylindrical surface at the bottom of the third sealing cover (15). The sealing strip (16) is fixedly installed on the top of the first sealing cover (3).

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