Efficient multistage separation and purification device for hydrogen production from nuclear wastewater

By designing a multi-stage separation and purification device for nuclear wastewater hydrogen production with vibrating filter plate and scraper functions, the problem of blockage during nuclear wastewater during filtration is solved, and the separation efficiency and hydrogen production efficiency are improved.

CN222427382UActive Publication Date: 2025-02-07SHENZHEN DONGHYDROGEN ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421113316.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-07
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The existing nuclear wastewater purification device does not have the function of multi-stage separation, which causes large particles and precipitates to easily block the filter net when the nuclear wastewater is filtered, affecting the efficiency of hydrogen production in nuclear wastewater.

Method used

A multi-stage separation and purification device for hydrogen production of high-efficiency nuclear wastewater is designed, including a nuclear wastewater separation tank, a first motor, a rotating rod, a cam, a collision rod, a first filter plate, etc., and the cam and a collision rod are driven by a motor to drive the rotating rod to work. , the first filter plate is vibrated to prevent blockage, and the second motor drives the active rod and the scraper to achieve scraping and collecting the precipitate on the surface of the second filter plate.

Benefits of technology

It effectively prevents filter clogging, improves the efficiency of nuclear wastewater separation, realizes multi-stage separation and purification of nuclear wastewater, and improves the efficiency of hydrogen production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient multistage separation and purification device for hydrogen production from nuclear wastewater, which belongs to the field and comprises a nuclear wastewater separation tank and a first motor arranged on the right side of the nuclear wastewater separation tank, and a nuclear wastewater feeding pipe is fixedly connected to the top of the nuclear wastewater separation tank. According to the efficient nuclear wastewater hydrogen production multi-stage separation and purification device, a first motor drives a rotating rod to rotate, the rotating rod drives a cam to rotate and abut against a connecting block, the connecting block can drive a collision rod on the top to slide upwards and collide with a first filter plate, and the first filter plate rotates upwards after being collided; a guide rod is driven by a connecting column to compress a first spring to slide upwards, so that a first filter plate vibrates, large-particle impurities on the first filter plate can vibrate, the first filter plate is effectively prevented from being blocked when nuclear wastewater is separated, and the nuclear wastewater separation efficiency is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen production from nuclear waste water, and in particular to a high-efficiency multi-stage separation and purification device for hydrogen production from nuclear waste water. Background Art

[0002] Nuclear waste water refers to waste water containing radioactive substances produced during nuclear power generation, nuclear weapons production, and radioactive material treatment. The waste water contains a large amount of hydrogen, so nuclear waste water can be used to produce hydrogen. At present, in the process of producing hydrogen from nuclear waste water, the nuclear waste water is usually pre-treated first to remove solid particles and impurities in it to ensure the stability and efficiency of subsequent treatment processes. After that, distillation technology is used to separate the nuclear waste water. Through multi-stage distillation, hydrogen can be separated from other gases.

[0003] At present, during the pretreatment of nuclear waste water, since the nuclear waste water contains a large number of impurities such as particles of different sizes and sediments, multi-stage separation is required before the nuclear waste water can be processed to produce hydrogen. The existing nuclear waste water purification equipment does not have the function of multi-stage separation of nuclear waste water, especially when filtering nuclear waste water, the large particles and sediments therein can easily clog the filter net, and most of the sediments are deposited on the surface of the filter net. If they are not cleaned for a long time, the filtration and separation of the nuclear waste water will be affected, resulting in low efficiency of hydrogen production from nuclear waste water. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that sediments in the nuclear waste water separation process easily block the filter screen and affect the efficiency of hydrogen production from nuclear waste water, and to propose a high-efficiency nuclear waste water hydrogen production multi-stage separation and purification device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A highly efficient multi-stage separation and purification device for producing hydrogen from nuclear waste water, comprising a nuclear waste water separation tank and a first motor arranged on the right side of the nuclear waste water separation tank, the top of the nuclear waste water separation tank being fixedly connected to a nuclear waste water feed pipe, the interior of the nuclear waste water separation tank being provided with a first filter plate, a second filter plate, and a third filter plate, and further comprising: a rotating rod fixedly connected to the output end of the first motor, the end of the rotating rod away from the first motor being fixedly connected to a cam; a first waterproof box being sleeved on the outside of the cam; a collision rod being slidably connected in the first waterproof box, the bottom of the collision rod being fixedly connected to a connecting block; a connecting column fixedly connected to the right end of the first filter plate, the top of the connecting column being fixedly connected to a guide rod; a first spring being sleeved on the guide rod.

[0007] Preferably, the left side surface of the first filter plate is hinged to the left inner wall of the nuclear waste water separation tank, a slide groove is provided on the right inner wall of the nuclear waste water separation tank, the connecting column is slidably connected in the slide groove of the nuclear waste water separation tank, a guide groove matched with the guide rod is provided on the top inner wall of the slide groove of the nuclear waste water separation tank, the guide rod is slidably connected to the guide groove on the top of the slide groove of the nuclear waste water separation tank, and a sealed sliding door is penetrated through the left inner wall of the nuclear waste water separation tank close to the first filter plate and is slidably connected to the nuclear waste water separation tank.

[0008] Preferably, one end of the first spring is fixedly connected to the connecting column, the other end of the first spring is fixedly connected to the inner wall at the top of the slide groove of the nuclear waste water separation tank, the right side of the first waterproof box is fixedly connected to the right inner wall of the nuclear waste water separation tank, the rotating rod passes through the nuclear waste water separation tank and is rotatably connected to the nuclear waste water separation tank, and the first filter plate is arranged at an angle.

[0009] Preferably, the collision rod passes through the first waterproof box and is slidably connected to the first waterproof box, a second spring is sleeved on the surface of the collision rod near the inside of the first waterproof box, one end of the second spring is fixedly connected to the top inner wall of the first waterproof box, the other end of the second spring is fixedly connected to the connecting block, the cam is slidably connected to the connecting block, a placement plate is fixedly connected to the bottom of the first motor, and the placement plate is fixedly connected to the outer wall of the nuclear waste water separation tank.

[0010] Preferably, a second motor is fixedly connected to the top surface of the nuclear waste water separation tank, and an active rod is fixedly connected to the output end of the second motor. The active rod passes through the first filter plate of the nuclear waste water separation tank box and is rotatably connected to the nuclear waste water separation tank and the first filter plate.

[0011] Preferably, the second filter plate is fixedly connected to the inner wall of the nuclear waste water separation tank, a second waterproof box is fixedly connected to the right inner wall of the nuclear waste water separation tank near the bottom of the second filter plate, a driven rod is rotatably connected to the right inner wall of the bottom of the second waterproof box, a synchronous belt is transmission-connected between the driven rod and the active rod, the active rod passes through the second waterproof box and the second filter plate and is rotatably connected to the second waterproof box and the second filter plate, a scraper is fixedly connected to the surface of the active rod near the top of the second filter plate, and the scraper is slidably connected to the second filter plate.

[0012] Preferably, a half gear is fixedly connected to the top of the driven rod, a slide plate is fixedly connected to the inner wall of the inner side of the second waterproof box, a limiting slide is slidably connected to the slide plate, an end of the limiting slide away from the slide plate is fixedly connected to a rectangular frame, tooth grooves matching the half gear are provided on the inner walls on both sides of the rectangular frame, the half gear is meshed with the tooth grooves of the rectangular frame, and a driving plate is fixedly connected to the right surface of the rectangular frame.

[0013] Preferably, a sliding rod is penetrated through the inner wall on the right side of the bottom of the second waterproof box and is slidably connected to the second waterproof box, a slanted panel is fixedly connected to the top surface of the sliding rod, the slanted panel is slidably connected to the driving plate, the top of the slanted panel penetrates the second waterproof box and is slidably connected to the second waterproof box, a piston tank is fixedly connected to the bottom surface of the second waterproof box, a piston inside the piston tank is connected to a piston plate, the top of the piston plate is fixedly connected to the sliding rod, the sliding rod penetrates the piston tank and is slidably connected to the piston tank.

[0014] Preferably, a third spring is sleeved on the surface of the sliding rod near the inside of the second waterproof box, one end of the third spring is fixedly connected to the inclined panel, and the other end of the third spring is fixedly connected to the bottom inner wall of the second waterproof box, the right side of the piston tank is fixedly connected to the right inner wall of the nuclear waste water separation tank, the right side of the piston tank is fixedly connected to a water suction pipe, the water suction pipe penetrates the nuclear waste water separation tank and is fixedly connected to the nuclear waste water separation tank, the end of the water suction pipe away from the piston tank is fixedly connected to a sediment collection tank, the sediment collection tank is fixedly connected to the outer wall of the nuclear waste water separation tank, a sediment guide groove is opened on the inner wall of the nuclear waste water separation tank near the right side of the second filter plate, a guide plate is fixedly connected to the inner wall of the sediment guide groove of the nuclear waste water separation tank, a water outlet is opened on the bottom surface of the piston tank, and a one-way valve is fixedly installed in the water suction pipe.

[0015] Preferably, the third filter plate is fixedly connected to the inner wall of the nuclear waste water separation tank, and the bottom of the nuclear waste water separation tank is fixedly connected to a nuclear waste water discharge pipe.

[0016] Compared with the prior art, the utility model provides a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater, which has the following beneficial effects:

[0017] 1. The high-efficiency nuclear waste water hydrogen production multi-stage separation and purification device drives the rotating rod to rotate through the first motor, and the rotating rod drives the cam to rotate and interfere with the connecting block, so that the connecting block can drive the top collision rod to slide upward and collide with the first filter plate. The first filter plate rotates upward after the collision, and the connecting column drives the guide rod to compress the first spring to slide upward, so that the first filter plate vibrates, and the large particles of impurities on the first filter plate can be vibrated, which effectively prevents the first filter plate from being blocked when separating nuclear waste water, and makes the nuclear waste water separation efficiency higher.

[0018] 2. The high-efficiency nuclear wastewater hydrogen production multi-stage separation and purification device can drive the active rod to rotate by starting the second motor. The active rod drives the driven rod to rotate synchronously through the synchronous belt. At the same time, the active rod drives the scraper to scrape the sediment in the nuclear waste water on the surface of the second filter plate while rotating, so that the sediment enters the sediment collection pool for collection, which can prevent the second filter plate from being blocked when separating the nuclear waste water.

[0019] 3. The highly efficient nuclear wastewater hydrogen production multi-stage separation and purification device drives the active rod to rotate through the second motor, and the active rod drives the driven rod to rotate through the synchronous belt, so that the half gear rotates and meshes with the tooth groove on the inner wall of the rectangular frame, so that the rectangular frame slides back and forth left and right, and at the same time drives the driving plate to slide left and right. The driving plate can make the inclined plate slide downward along the inclined surface of the inclined plate, and then drive the sliding rod and the piston plate to do piston movement in the piston tank, so that the nuclear waste water in the piston tank can be squeezed out from the water outlet at the bottom of the piston tank and enter the nuclear waste water separation tank. Under the action of the third spring, the sliding rod can The moving rod drives the piston plate to reset, and the piston plate resets and at the same time, air is sucked in the piston tank, and nuclear waste water is sucked into the piston tank from the sediment collection tank through the suction pipe, and the one-way valve in the suction pipe is used to prevent the nuclear waste water from flowing back into the sediment collection tank during extrusion, and then the sucked nuclear waste water flows out from the water outlet of the piston tank, and in this way, the excess nuclear waste water in the sediment can be automatically re-entered into the nuclear waste water separation tank, which can prevent the nuclear waste water from flowing out to the outside, polluting the environment, or causing harm to the staff, and avoid the sediment and nuclear waste water from being mixed together for treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater proposed in the utility model;

[0021] Figure 2 This is a schematic diagram of the side structure of a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater proposed by the utility model;

[0022] Figure 3 This is a front cross-sectional structural schematic diagram of a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater proposed by the utility model;

[0023] Figure 4 This is a schematic structural diagram of the cross-section of the first waterproof box and the second waterproof box in a high-efficiency nuclear wastewater hydrogen production multi-stage separation and purification device proposed by the utility model;

[0024] Figure 5 This utility model proposes a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater Figure 4 Schematic diagram of the structure of part A;

[0025] Figure 6 This utility model proposes a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater Figure 4 The structural diagram of part B;

[0026] Figure 7 This is a side view structural schematic diagram of a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater proposed by the utility model;

[0027] Figure 8This is a schematic diagram of the left side structure of a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater proposed by the utility model;

[0028] Fig. 9 This utility model proposes a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater Figure 8 Schematic diagram of the structure of part C;

[0029] Fig.10 It is a schematic diagram of the structure of the interior of the first waterproof box and the interior of the second waterproof box in a high-efficiency nuclear wastewater hydrogen production multi-stage separation and purification device proposed by the utility model;

[0030] Fig.11 This utility model proposes a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater Fig.10 Schematic diagram of the structure of part D.

[0031] In the figure: 1. nuclear waste water separation tank; 2. first motor; 3. nuclear waste water feed pipe; 4. first filter plate; 5. second filter plate; 6. third filter plate; 7. rotating rod; 8. cam; 9. first waterproof box; 10. collision rod; 11. connecting block; 12. connecting column; 13. guide rod; 14. first spring; 15. sealed drawer door; 16. second spring; 17. placement plate; 18. second motor; 19. active rod; 20. second waterproof box; 21. driven rod; 22. synchronous belt; 23. scraper; 24. half gear; 25. slide plate; 26. limit slide plate; 27. rectangular frame; 28. drive plate; 29. ​​sliding rod; 30. inclined plate; 31. piston tank; 32. piston plate; 33. third spring; 34. water suction pipe; 35. sediment collection tank; 36. guide plate; 37. nuclear waste water discharge pipe. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] Example 1: Reference Figure 1-Figure 10A highly efficient multi-stage separation and purification device for producing hydrogen from nuclear waste water comprises a nuclear waste water separation tank 1 and a first motor 2 arranged on the right side of the nuclear waste water separation tank 1, a nuclear waste water feed pipe 3 is fixedly connected to the top of the nuclear waste water separation tank 1, a first filter plate 4, a second filter plate 5, and a third filter plate 6 are arranged inside the nuclear waste water separation tank 1, and further comprises: a rotating rod 7, fixedly connected to the output end of the first motor 2, and a cam 8 is fixedly connected to the end of the rotating rod 7 away from the first motor 2; a first waterproof box 9 is sleeved on the outside of the cam 8; a collision rod 10, slidably connected in the first waterproof box 9, and a connecting block 11 is fixedly connected to the bottom of the collision rod 10; a connecting column 12, fixedly connected to the right end of the first filter plate 4, and a guide rod 13 is fixedly connected to the top of the connecting column 12; a first spring 14 is sleeved on the guide rod 13.

[0035] In the utility model, the first motor 2 drives the rotating rod 7 to rotate, and the rotating rod 7 drives the cam 8 to rotate, which conflicts with the connecting block 11, so that the connecting block 11 can drive the top collision rod 10 to slide upward and collide with the first filter plate 4. The first filter plate 4 rotates upward after the collision, and the connecting column 12 drives the guide rod 13 to compress the first spring 14 to slide upward, so that the first filter plate 4 vibrates, and the large particles of impurities on the first filter plate 4 can be vibrated, which effectively prevents the first filter plate 4 from being blocked when separating nuclear waste water, and makes the nuclear waste water separation efficiency higher.

[0036] Example 2: Reference Figure 1-Figure 10 , which is basically the same as the first embodiment, and further, the left surface of the first filter plate 4 is hinged to the left inner wall of the nuclear waste water separation tank 1, a slide groove is provided on the right inner wall of the nuclear waste water separation tank 1, and the connecting column 12 is slidably connected in the slide groove of the nuclear waste water separation tank 1. A guide groove compatible with the guide rod 13 is provided on the top inner wall of the slide groove of the nuclear waste water separation tank 1, and the guide rod 13 is slidably connected to the guide groove at the top of the slide groove of the nuclear waste water separation tank 1. A sealed sliding door 15 is penetrated on the left inner wall of the nuclear waste water separation tank 1 near the first filter plate 4 and is slidably connected to the nuclear waste water separation tank 1.

[0037] In the present invention, the first filter plate 4 can rotate upward around the left side to generate vibration. When too many large particles of impurities are accumulated on the first filter plate 4, the impurities can be removed by opening the sealed drawer door 15.

[0038] One end of the first spring 14 is fixedly connected to the connecting column 12, the other end of the first spring 14 is fixedly connected to the inner wall of the top of the slide groove of the nuclear waste water separation tank 1, the right side of the first waterproof box 9 is fixedly connected to the right inner wall of the nuclear waste water separation tank 1, the rotating rod 7 passes through the nuclear waste water separation tank 1 and is rotatably connected to the nuclear waste water separation tank 1, and the first filter plate 4 is arranged at an angle.

[0039] In the utility model, the first filter plate 4 can be automatically reset after being collided by the first spring 14, and can be repeatedly vibrated by this reciprocating motion, thereby effectively preventing the first filter plate 4 from being blocked. The cam 8 and the rotating rod 7 can be stably rotated by the first waterproof box 9, and the collision rod 10 can be stably slid up and down. The inclined setting of the first filter plate 4 can make the flow separation of nuclear waste water faster, and the first filter plate 4, the second filter plate 5, and the third filter plate 6 can realize multi-stage separation and purification of nuclear waste water, so that the efficiency of the later distillation of nuclear waste water is faster, and the hydrogen production is more efficient.

[0040] The collision rod 10 passes through the first waterproof box 9 and is slidably connected to the first waterproof box 9. A second spring 16 is sleeved on the surface of the collision rod 10 near the inside of the first waterproof box 9. One end of the second spring 16 is fixedly connected to the top inner wall of the first waterproof box 9, and the other end of the second spring 16 is fixedly connected to the connecting block 11. The cam 8 is slidably connected to the connecting block 11. A placement plate 17 is fixedly connected to the bottom of the first motor 2, and the placement plate 17 is fixedly connected to the outer wall of the nuclear waste water separation tank 1.

[0041] In the utility model, the first waterproof box 9 can support the collision rod 10. After the collision rod 10 slides upward, it can automatically return downward through the second spring 16, so that the cam 8 and the connecting block 11 collide with each other again. In this reciprocating motion, the collision rod 10 can repeatedly collide with the first filter plate 4. In conjunction with the first spring 14, the first filter plate 4 can be repeatedly vibrated, so that the first filter plate 4 has a higher efficiency in separating nuclear waste water. The first motor 2 can be supported and installed by placing the plate 17.

[0042] Example 3: Reference Figure 1-Figure 11 , which is basically the same as the first embodiment, and further, a second motor 18 is fixedly connected to the top surface of the nuclear waste water separation tank 1, and an active rod 19 is fixedly connected to the output end of the second motor 18. The active rod 19 penetrates the nuclear waste water separation tank 1 and the first filter plate 4 and is rotatably connected to the nuclear waste water separation tank 1 and the first filter plate 4.

[0043] The second filter plate 5 is fixedly connected to the inner wall of the nuclear waste water separation tank 1, and a second waterproof box 20 is fixedly connected to the right inner wall of the nuclear waste water separation tank 1 near the bottom of the second filter plate 5. A driven rod 21 is rotatably connected to the right inner wall at the bottom of the second waterproof box 20. A synchronous belt 22 is transmission-connected between the driven rod 21 and the active rod 19. The active rod 19 passes through the second waterproof box 20 and the second filter plate 5 and is rotatably connected to the second waterproof box 20 and the second filter plate 5. A scraper 23 is fixedly connected to the surface of the active rod 19 near the top of the second filter plate 5, and the scraper 23 is slidably connected to the second filter plate 5.

[0044] In the utility model, the active rod 19 can be driven to rotate by starting the second motor 18, and the active rod 19 drives the driven rod 21 to rotate synchronously through the synchronous belt 22. At the same time, the active rod 19 drives the scraper 23 to scrape the sediment in the nuclear waste water on the surface of the second filter plate 5 while rotating, so as to prevent the second filter plate 5 from being blocked when separating the nuclear waste water. The second waterproof box 20 can prevent the active rod 19 and the driven rod 21 from being affected by the nuclear waste water when rotating.

[0045] A half gear 24 is fixedly connected to the top of the driven rod 21, a slide plate 25 is fixedly connected to the inner wall of the inner side of the second waterproof box 20, a limiting slide plate 26 is slidably connected inside the slide plate 25, and a rectangular frame 27 is fixedly connected to the end of the limiting slide plate 26 away from the slide plate 25, and teeth grooves matching the half gear 24 are opened on the inner walls on both sides of the rectangular frame 27, and the half gear 24 is meshed with the teeth grooves of the rectangular frame 27, and a driving plate 28 is fixedly connected to the right surface of the rectangular frame 27.

[0046] In the utility model, when the driven rod 21 rotates, the half gear 24 is driven to rotate and mesh with the tooth groove on the inner wall of the rectangular frame 27. Under the action of the slide plate 25, the rectangular frame 27 can only slide horizontally in the slide plate 25 through the limiting slide plate 26, so that the rectangular frame 27 can slide back and forth left and right, and at the same time drive the driving plate 28 to slide left and right.

[0047] A sliding rod 29 penetrates the inner wall on the right side of the bottom of the second waterproof box 20 and is slidably connected to the second waterproof box 20. A slanted panel 30 is fixedly connected to the top surface of the sliding rod 29. The slanted panel 30 is slidably connected to the driving plate 28. The top of the slanted panel 30 penetrates the second waterproof box 20 and is slidably connected to the second waterproof box 20. A piston tank 31 is fixedly connected to the bottom surface of the second waterproof box 20. The piston inside the piston tank 31 is connected to a piston plate 32. The top of the piston plate 32 is fixedly connected to the sliding rod 29. The sliding rod 29 penetrates the piston tank 31 and is slidably connected to the piston tank 31.

[0048] In the present invention, when the driving plate 28 slides back and forth left and right, it will conflict with the inclined plate 30, and the inclined plate 30 can slide downward along the inclined surface of the inclined plate 30, thereby driving the sliding rod 29 and the piston plate 32 to perform piston motion in the piston tank 31.

[0049] A third spring 33 is sleeved on the surface of the sliding rod 29 near the inside of the second waterproof box 20, one end of the third spring 33 is fixedly connected to the inclined panel 30, and the other end of the third spring 33 is fixedly connected to the bottom inner wall of the second waterproof box 20, the right side of the piston tank 31 is fixedly connected to the right inner wall of the nuclear waste water separation tank 1, and the right side of the piston tank 31 is fixedly connected with a suction pipe 34, the suction pipe 34 runs through the nuclear waste water separation tank 1 and is fixedly connected to the nuclear waste water separation tank 1, and the end of the suction pipe 34 away from the piston tank 31 is fixedly connected with a sediment collection tank 35, and the sediment collection tank 35 is fixedly connected to the outer wall of the nuclear waste water separation tank 1, a sediment guide groove is opened on the inner wall of the nuclear waste water separation tank 1 near the right side of the second filter plate 5, and a guide plate 36 is fixedly connected to the inner wall of the sediment guide groove of the nuclear waste water separation tank 1, a water outlet is opened on the bottom surface of the piston tank 31, and a one-way valve is fixedly installed in the suction pipe 34.

[0050] In the utility model, when the scraper 23 scrapes the sediment to the guide plate 36, the nuclear waste water and the sediment enter the sediment collection tank 35 at the same time, and then the nuclear waste water enters the piston tank 31 through the suction pipe 34. At the same time, the piston plate 32 performs piston movement to squeeze the nuclear waste water in the piston tank 31 from the water outlet hole at the bottom of the piston tank 31 and enter the nuclear waste water separation tank 1. Under the action of the third spring 33, the sliding rod 29 can drive the piston plate 32 to reset, and the inclined plate 30 is again resisted by the driving plate 28. The piston plate 32 resets and air is sucked in the piston tank 31 at the same time, which can pass The nuclear waste water is sucked into the piston tank 31 from the sediment collection tank 35 through the suction pipe 34. The one-way valve in the suction pipe 34 can prevent the nuclear waste water from flowing back into the sediment collection tank 35 during extrusion. Then the sucked nuclear waste water flows out from the water outlet of the piston tank 31. In this reciprocating manner, the excess nuclear waste water in the sediment can be automatically re-entered into the nuclear waste water separation tank 1, which can prevent the nuclear waste water from flowing out to the outside and polluting the environment or causing harm to the staff, and avoid the sediment and nuclear waste water from being mixed together for treatment. When the sediment collection tank 35 is full, the staff can clean it up.

[0051] Embodiment 4: Referring to FIG. 1-2, it is basically the same as Embodiment 1, and further, the third filter plate 6 is fixedly connected to the inner wall of the nuclear waste water separation tank 1, and the bottom of the nuclear waste water separation tank 1 is fixedly connected to a nuclear waste water discharge pipe 37.

[0052] In the utility model, after the nuclear waste water is separated by the first filter plate 4 and the second filter plate 5, the nuclear waste water flows into the third filter plate 6 for further separation, thereby realizing multi-stage separation and purification of the nuclear waste water, and then enters the nuclear waste water discharge pipe 37, which is convenient for the next step of operation of the nuclear waste water and helps to make the hydrogen production efficiency of the nuclear waste water higher.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An efficient nuclear wastewater hydrogen production multi-stage separation and purification device, comprising a nuclear wastewater separation tank (1) and a first motor (2) arranged on the right side of the nuclear wastewater separation tank (1), characterized in that: The top of the nuclear waste water separation tank (1) is fixedly connected to a nuclear waste water feed pipe (3), and the interior of the nuclear waste water separation tank (1) is provided with a first filter plate (4), a second filter plate (5), and a third filter plate (6), and further comprises: A rotating rod (7) is fixedly connected to the output end of the first motor (2), and one end of the rotating rod (7) away from the first motor (2) is fixedly connected to a cam (8); A first waterproof box (9) is sleeved outside the cam (8); A collision rod (10) is slidably connected in the first waterproof box (9), and a connecting block (11) is fixedly connected to the bottom of the collision rod (10); A connecting column (12) is fixedly connected to the right end of the first filter plate (4), and a guide rod (13) is fixedly connected to the top of the connecting column (12); The first spring (14) is sleeved on the guide rod (13).

2. According to claim 1, a highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater, characterized in that: The left surface of the first filter plate (4) is hinged to the left inner wall of the nuclear waste water separation tank (1); a slide groove is provided on the right inner wall of the nuclear waste water separation tank (1); the connecting column (12) is slidably connected in the slide groove of the nuclear waste water separation tank (1); a guide groove matched with the guide rod (13) is provided on the top inner wall of the slide groove of the nuclear waste water separation tank (1); the guide rod (13) is slidably connected to the guide groove at the top of the slide groove of the nuclear waste water separation tank (1); a sealed sliding door (15) is passed through the left inner wall of the nuclear waste water separation tank (1) near the first filter plate (4) and is slidably connected to the nuclear waste water separation tank (1).

3. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 1, characterized in that: One end of the first spring (14) is fixedly connected to the connecting column (12), the other end of the first spring (14) is fixedly connected to the inner wall of the top of the slide groove of the nuclear waste water separation tank (1), the right side of the first waterproof box (9) is fixedly connected to the right inner wall of the nuclear waste water separation tank (1), the rotating rod (7) passes through the nuclear waste water separation tank (1) and is rotatably connected to the nuclear waste water separation tank (1), and the first filter plate (4) is arranged to be inclined.

4. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 1, characterized in that: The collision rod (10) passes through the first waterproof box (9) and is slidably connected to the first waterproof box (9); a second spring (16) is sleeved on the surface of the collision rod (10) near the inside of the first waterproof box (9); one end of the second spring (16) is fixedly connected to the top inner wall of the first waterproof box (9); the other end of the second spring (16) is fixedly connected to the connecting block (11); the cam (8) is slidably connected to the connecting block (11); a placement plate (17) is fixedly connected to the bottom of the first motor (2); and the placement plate (17) is fixedly connected to the outer wall of the nuclear waste water separation tank (1).

5. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 1, characterized in that: A second motor (18) is fixedly connected to the top surface of the nuclear waste water separation tank (1), and an active rod (19) is fixedly connected to the output end of the second motor (18). The active rod (19) penetrates the nuclear waste water separation tank (1) and the first filter plate (4) and is rotatably connected to the nuclear waste water separation tank (1) and the first filter plate (4).

6. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 1, characterized in that: The second filter plate (5) is fixedly connected to the inner wall of the nuclear waste water separation tank (1); a second waterproof box (20) is fixedly connected to the right inner wall of the nuclear waste water separation tank (1) near the bottom of the second filter plate (5); a driven rod (21) is rotatably connected to the right inner wall of the bottom of the second waterproof box (20); a synchronous belt (22) is transmission-connected between the driven rod (21) and the active rod (19); the active rod (19) passes through the second waterproof box (20) and the second filter plate (5) and is rotatably connected to the second waterproof box (20) and the second filter plate (5); a scraper (23) is fixedly connected to the surface of the active rod (19) near the top of the second filter plate (5); and the scraper (23) is slidably connected to the second filter plate (5).

7. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 6, characterized in that: A half gear (24) is fixedly connected to the top of the driven rod (21); a slide plate (25) is fixedly connected to the inner wall of the second waterproof box (20); a limit slide plate (26) is slidably connected inside the slide plate (25); an end of the limit slide plate (26) away from the slide plate (25) is fixedly connected to a rectangular frame (27); tooth grooves matching the half gear (24) are provided on the inner walls of both sides of the rectangular frame (27); the half gear (24) is meshed with the tooth grooves of the rectangular frame (27); and a driving plate (28) is fixedly connected to the right surface of the rectangular frame (27).

8. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 6, characterized in that: A sliding rod (29) is passed through the inner wall on the right side of the bottom of the second waterproof box (20) and is slidably connected to the second waterproof box (20); a slanted panel (30) is fixedly connected to the top surface of the sliding rod (29); the slanted panel (30) is slidably connected to the driving plate (28); the top of the slanted panel (30) passes through the second waterproof box (20) and is slidably connected to the second waterproof box (20); a piston tank (31) is fixedly connected to the bottom surface of the second waterproof box (20); a piston inside the piston tank (31) is connected to a piston plate (32); the top of the piston plate (32) is fixedly connected to the sliding rod (29); the sliding rod (29) passes through the piston tank (31) and is slidably connected to the piston tank (31).

9. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 8, characterized in that: A third spring (33) is sleeved on the surface of the sliding rod (29) near the inside of the second waterproof box (20), one end of the third spring (33) is fixedly connected to the inclined plate (30), and the other end of the third spring (33) is fixedly connected to the bottom inner wall of the second waterproof box (20). The right side of the piston tank (31) is fixedly connected to the right inner wall of the nuclear waste water separation tank (1), and the right side of the piston tank (31) is fixedly connected to a water suction pipe (34), which passes through the nuclear waste water separation tank (1) and is connected to the nuclear waste water separation tank (1). The end of the water suction pipe (34) away from the piston tank (31) is fixedly connected to a sediment collection tank (35), and the sediment collection tank (35) is fixedly connected to the outer wall of the nuclear waste water separation tank (1). A sediment guide groove is provided on the inner wall of the nuclear waste water separation tank (1) close to the right side of the second filter plate (5). A guide plate (36) is fixedly connected to the inner wall of the sediment guide groove of the nuclear waste water separation tank (1). A water outlet is provided on the bottom surface of the piston tank (31), and a one-way valve is fixedly installed in the water suction pipe (34).

10. The highly efficient multi-stage separation and purification device for producing hydrogen from nuclear wastewater according to claim 1, characterized in that: The third filter plate (6) is fixedly connected to the inner wall of the nuclear waste water separation tank (1), and the bottom of the nuclear waste water separation tank (1) is fixedly connected to a nuclear waste water discharge pipe (37).