Automatic separation device suitable for spent fuel post-treatment process feed liquid

Abstract

The utility model provides an automatic separation device suitable for spent fuel post-treatment process feed liquid. The automatic separation device comprises a control system, a reagent cylinder and a treatment box, wherein the control system is used for controlling all modules to work. The device disclosed by the utility model has the advantages that the control system controls the feeding assembly to input feed liquid into the separation cylinder, a reagent in the reagent cylinder is pumped into the first main separation module through the pipeline, and the reagent and the feed liquid are mixed for extraction. Meanwhile, a related valve body is closed and opened, and a reagent is input into the other main separation module, so that extraction is also carried out in the main separation module. And repeating the steps until all the main separation modules are subjected to extraction work. After the extraction work in the main separation module is completed, the collection bottle collects the useful part of the separated material liquid, and the waste liquid bottle collects the useless part of the material liquid, so that the separation work is completed. And separation is synchronously carried out in different main separation modules according to the time required by extraction, so that the working time is greatly saved, and the separation efficiency can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of spent fuel processing technology, and in particular to an automatic separation device for spent fuel reprocessing liquid materials. Background Technology

[0002] Spent fuel refers to nuclear fuel that has undergone a nuclear reaction in a reactor after being bombarded by neutrons and then discharged from the reactor after a certain period of time. The separation of spent fuel reprocessing liquids is a key step in the closed nuclear fuel cycle. Its main purpose is to separate uranium (U) and plutonium (Pu) from fission products (FP) in spent fuel so that the recovered U and Pu can be reused as fuel, while reducing the release of radioactive waste.

[0003] In the separation and processing of spent fuel reprocessing feed liquids, liquid-phase extraction is generally used to first separate uranium (U), plutonium (Pu), and fission products (FP) from each other, and then separate uranium (U) and plutonium (Pu). The extraction process requires a certain amount of time, which leads to low processing efficiency. Therefore, an automatic separation device suitable for spent fuel reprocessing feed liquids is proposed as an improvement. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide an automatic separation device for spent fuel reprocessing liquid materials, in order to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.

[0006] To achieve the above objectives, one embodiment of the present invention provides an automatic separation device for spent fuel reprocessing liquid, including a control system for controlling the operation of each module, a reagent cylinder and a processing tank. A display screen is provided on one side of the processing tank, a transition chamber is fixedly connected to one side of the processing tank, a vacuum system is provided on one side of the processing tank, and a circulation purification system is provided at the bottom of the processing tank.

[0007] The processing box is equipped with several main separation modules, each including a feeding assembly and a separation cylinder. The main separation modules are connected to a collection bottle and a waste liquid bottle via pipes. The main separation modules are also connected to a sample bottle via pipes. The reagent cylinder is connected to the main separation modules via pipes. Pumps and solenoid valves are installed on the pipes between the main separation modules and the collection bottle, waste liquid bottle, sample bottle, and reagent cylinder.

[0008] Preferably, of any of the above embodiments, the reagent cylinder is provided with a feed pipe on its side, and the processing box is provided with an observation window on its front.

[0009] Preferably, the front of the treatment box is provided with radiation-proof gloves that can extend into the treatment box, and the transition cabin includes a large transition cabin and a small transition cabin.

[0010] The control system is used to control the operation of each module of the automatic separation device, and can be arranged near the treatment box to facilitate the timely control of the staff according to the needs. The reagent cylinder is used to hold reagents, and the feeding pipe is arranged on the side surface of the reagent cylinder to add reagents into the reagent cylinder when needed. The treatment box provides a space for the automatic separation of the liquid, and provides an installation platform for the main separation module, the transition cabin, the vacuum system, the circulating purification system and related components. An observation window is arranged on the front of the treatment box to facilitate the observation of the working conditions in the treatment box by the staff outside. The front of the treatment box is provided with radiation-proof gloves, which can be used by the staff to extend their arms into the treatment box to assist in the separation operation when needed.

[0011] Preferably, the vacuum system is arranged below the transition cabin, and the circulating purification system is provided with an opening and closing door on the outer side.

[0012] Preferably, the treatment box is fixedly connected with a plurality of support plates on the inner wall, and the plurality of main separation modules are uniformly arranged in the treatment box.

[0013] The display screen can display the working conditions in the treatment box. The vacuum system is used to perform vacuum treatment on the treatment box, and the circulating purification system can purify the internal environment of the treatment box. An opening and closing door is arranged on the outer side of the circulating purification system to facilitate the maintenance of the circulating purification system by the staff when needed. The main separation module provides an environment for the separation of the liquid, and the reagents and the liquid are mixed in the main separation module for extraction. The collection bottle is used to collect the useful part of the liquid after separation, and the waste liquid bottle is used to collect the useless part of the liquid. The plurality of main separation modules are uniformly arranged in the treatment box, so that the device can simultaneously separate multiple portions of liquid.

[0014] Preferably, the main separation module is fixed in the treatment box through the mounting seat, and the collection bottle and the waste liquid bottle are each provided with a plurality of corresponding main separation modules.

[0015] Preferably, the collection bottle, the waste liquid bottle and the sample bottle are arranged in the treatment box.

[0016] The technical scheme is as follows: the pump body and the electromagnetic valve are arranged on the pipeline between the main separation module and the collection bottle, the waste liquid bottle, the sample bottle and the reagent cylinder, so that the control system can open the corresponding electromagnetic valve and pump body at the required time according to the preset program, and the feed liquid can pass through. The collection bottle and the waste liquid bottle are arranged in one-to-one correspondence with the main separation module, so that the separated liquid of each main separation module can flow into different collection bottles and waste liquid bottles, and thus the fault position can be distinguished when a fault occurs.

[0017] Compared with the prior art, the automatic separation device for the spent fuel reprocessing process liquid has the following advantages and beneficial effects:

[0018] 1. The automatic separation device for the spent fuel reprocessing process liquid, by arranging the control system, the treatment box, the main separation module, the collection bottle, the waste liquid bottle and other components, when in use, the control system controls the feeding assembly to input the liquid into the separation cylinder, the reagent in the reagent cylinder is pumped into the first main separation module through the pipeline, and the reagent and the liquid are mixed for extraction. At the same time, the related valve body is closed and opened to input the reagent into another main separation module, so that the main separation module also performs extraction. This process is repeated until all the main separation modules perform extraction work. After the extraction work in the main separation module is completed, the collection bottle collects the useful part of the separated liquid, and the waste liquid bottle collects the useless part of the liquid, so that the separation work is completed. The extraction time is used to simultaneously separate in different main separation modules, which greatly saves the working time and effectively improves the separation efficiency.

[0019] 2. The automatic separation device for the spent fuel reprocessing process liquid, an observation window is arranged on the front face of the treatment box, so that the working condition in the treatment box can be observed from the outside. A radiation-proof glove is arranged on the front face of the treatment box, so that the arm of the worker can be inserted into the treatment box, and the separation work can be assisted when needed. The plurality of main separation modules are uniformly arranged in the treatment box, so that the device can simultaneously separate multiple liquids. The separated liquid of each main separation module can flow into different collection bottles and waste liquid bottles, so that the fault position can be distinguished when a fault occurs.

[0020] Additional aspects and advantages of the present application will be described in part in the following description, and will become apparent from the following description, or will be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, of embodiments of the present application, wherein:

[0022] Fig. 1 It is a first perspective structural schematic view of the present application.

[0023] Fig. 2The second visual angle structure schematic view of the utility model is shown in the figure.

[0024] Fig. 3 The structure schematic view in the processing box of the utility model is shown in the figure.

[0025] In the figure: 1-control system, 2-reagent cylinder, 3-processing box, 4-display screen, 5-transition cabin, 6-vacuum system, 7-circulating purification system, 8-collection bottle, 9-waste liquid bottle, 10-main separation module, 11-sample bottle. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0027] In the utility model, unless explicitly defined and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] As Figs. 1-3 The utility model discloses, including the control system 1 of controlling each module work, reagent cylinder 2 and processing box 3, the one side of processing box 3 is provided with display screen 4, and the one side of processing box 3 is fixedly connected with transition cabin 5, and the one side of processing box 3 is provided with vacuum system 6, and the bottom of processing box 3 is provided with circulating purification system 7.

[0029] Processing box 3 is provided with a plurality of main separation modules 10 including feed assembly and separation cylinder, and the main separation module 10 is connected with collection bottle 8 and waste liquid bottle 9 through pipeline respectively, and the main separation module 10 is also connected with sample bottle 11 through pipeline, and reagent cylinder 2 is connected with main separation module 10 through pipeline, and the pipeline between main separation module 10 and collection bottle 8, waste liquid bottle 9, sample bottle 11 and reagent cylinder 2 is provided with pump body and electromagnetic valve.

[0030] The reagent cylinder 2 is provided with a feeding pipe on the side, and the front of the treatment box 3 is provided with an observation window. The front of the treatment box 3 is provided with anti-radiation gloves which can be inserted into the treatment box 3, and the transition cabin 5 comprises a large transition cabin and a small transition cabin. The control system 1 is used for controlling the working of each module of the automatic separation device, and can be arranged near the treatment box 3, so that the staff can control in time according to the needs. The reagent cylinder 2 is used for containing reagents, and the feeding pipe is arranged on the side, so that the reagents can be added into the reagent cylinder 2 when needed. The treatment box 3 provides a space for the automatic separation of the liquid, and provides a mounting platform for the main separation module 10, the transition cabin 5, the vacuum system 6, the circulating purification system 7 and related components. The observation window is arranged on the front of the treatment box 3, so that the staff can observe the working condition in the treatment box 3 from the outside. The anti-radiation gloves are arranged on the front of the treatment box 3, so that the staff can insert the arms into the treatment box 3, and assist in the operation when needed.

[0031] In the embodiment 2, the vacuum system 6 is arranged below the transition cabin 5, and the circulating purification system 7 is provided with an opening and closing door on the outside. A plurality of supporting plates are fixedly connected to the inner wall of the treatment box 3, and a plurality of main separation modules 10 are uniformly arranged in the treatment box 3. The display screen 4 can display the working condition in the treatment box 3. The vacuum system 6 is used for vacuum treatment of the treatment box 3, and the circulating purification system 7 can purify the internal environment of the treatment box 3. The opening and closing door is arranged on the outside of the circulating purification system 7, so that the staff can maintain the circulating purification system 7 when needed. The main separation module 10 provides an environment for the separation of the liquid, and the reagents and the liquid are mixed in the main separation module 10 for extraction. The collection bottle 8 is used for collecting the useful part of the liquid after separation, and the waste liquid bottle 9 is used for collecting the useless part of the liquid. A plurality of main separation modules 10 are uniformly arranged in the treatment box 3, so that the device can simultaneously separate a plurality of liquids.

[0032] In the embodiment 3, the main separation module 10 is fixed in the treatment box 3 through the mounting seat, and the collection bottle 8 and the waste liquid bottle 9 are a plurality of and correspondingly arranged with the main separation module 10. The collection bottle 8, the waste liquid bottle 9 and the sample bottle 11 are arranged in the treatment box 3. The pump body and the electromagnetic valve are arranged on the pipeline between the main separation module 10 and the collection bottle 8, the waste liquid bottle 9, the sample bottle 11 and the reagent cylinder 2, so that the control system 1 can open the corresponding electromagnetic valve and pump body at the required time according to the preset program, and the liquid can flow through. The collection bottle 8 and the waste liquid bottle 9 correspond to the main separation module 10, so that the liquid separated by each main separation module 10 can flow into different collection bottles 8 and waste liquid bottles 9, so that the fault position can be distinguished when the fault occurs.

[0033] The working principle of the utility model is as follows:

[0034] S1, the control system 1 controls the feed assembly to input the feed liquid into the separation cylinder, the reagent in the reagent cylinder 2 is pumped into the first main separation module 10 through the pipeline, and the reagent and the feed liquid are mixed for extraction;

[0035] S2, the related valve body is closed and opened, the reagent is input into another main separation module 10, so that extraction is also carried out in the main separation module 10; the above steps are repeated until extraction is carried out in all the main separation modules 10;

[0036] S3, after the extraction in the main separation module 10 is completed, the useful part of the separated feed liquid is collected in the collecting bottle 8, and the waste liquid bottle 9 is used to collect the useless part of the feed liquid, and the separation work is completed.

[0037] Compared with the prior art, the utility model has the following beneficial effects relative to the prior art:

[0038] 1, the automatic separation device suitable for spent fuel reprocessing process feed liquid, through setting control system 1, treatment box 3, main separation module 10, collecting bottle 8, waste liquid bottle 9 and other components, when using, the control system 1 controls the feed assembly to input the feed liquid into the separation cylinder, the reagent in the reagent cylinder 2 is pumped into the first main separation module 10 through the pipeline, and the reagent and the feed liquid are mixed for extraction. At the same time, the related valve body is closed and opened, the reagent is input into another main separation module 10, so that extraction is also carried out in the main separation module 10. The above steps are repeated until extraction is carried out in all the main separation modules 10. After the extraction in the main separation module 10 is completed, the useful part of the separated feed liquid is collected in the collecting bottle 8, and the waste liquid bottle 9 is used to collect the useless part of the feed liquid, and the separation work is completed. The required time for extraction is simultaneously carried out in different main separation modules 10, which greatly saves the working time and can effectively improve the separation efficiency.

[0039] 2, the automatic separation device suitable for spent fuel reprocessing process feed liquid, an observation window is formed on the front of the treatment box 3, so that the working personnel can observe the working condition in the treatment box 3 from the outside. The front of the treatment box 3 is provided with a radiation-proof glove, so that the working personnel can put the arm into the treatment box 3 to assist the separation operation when needed. The main separation modules 10 are evenly arranged in the treatment box 3, so that the device can simultaneously carry out the separation work on multiple feed liquids. The feed liquid separated by each main separation module 10 can flow into different collecting bottles 8 and waste liquid bottles 9, so that the fault position can be distinguished when a fault occurs.

Claims

1. An automatic separation device suitable for the spent fuel reprocessing process liquid, comprising a control system (1) for controlling the operation of each module, a reagent cylinder (2) and a treatment tank (3); characterized in that, The side of the processing box (3) is provided with a display screen (4), one side of the processing box (3) is fixedly connected with a transition cabin (5), one side of the processing box (3) is provided with a vacuum system (6), and the bottom of the processing box (3) is provided with a circulating purification system (7); A plurality of main separation modules (10) including feed assemblies and separation cylinders are arranged in the processing box (3), the main separation modules (10) are respectively connected with collection bottles (8) and waste liquid bottles (9) through pipelines, the main separation modules (10) are also connected with sample bottles (11) through pipelines, the reagent cylinders (2) are connected with the main separation modules (10) through pipelines, and pump bodies and electromagnetic valves are arranged on the pipelines between the main separation modules (10) and the collection bottles (8), the waste liquid bottles (9), the sample bottles (11) and the reagent cylinders (2).

2. An automatic separation device for use in a spent fuel reprocessing process stream, as defined in claim 1, wherein: The side of the reagent cylinder (2) is provided with a feed pipe, and the front of the processing box (3) is provided with an observation window.

3. An automatic separation device for use in a process stream of spent nuclear fuel reprocessing according to claim 2, wherein: The front of the processing box (3) is provided with anti-radiation gloves which can be inserted into the processing box (3), and the transition cabin (5) comprises a large transition cabin and a small transition cabin.

4. An automatic separation device for use in a process stream of spent nuclear fuel reprocessing according to claim 3, wherein: The vacuum system (6) is arranged below the transition cabin (5), and the circulating purification system (7) is provided with an opening and closing door on the outer side.

5. An automatic separation device for use in a process stream of spent nuclear fuel reprocessing according to claim 4, wherein: A plurality of supporting plates are fixedly connected to the inner wall of the processing box (3), and a plurality of main separation modules (10) are uniformly arranged in the processing box (3).

6. An automatic separation device for use in a process stream of spent nuclear fuel, as claimed in claim 5, wherein: The main separation modules (10) are fixed in the processing box (3) through mounting seats, and the collection bottles (8) and the waste liquid bottles (9) are a plurality of and correspondingly arranged with the main separation modules (10).

7. An automatic separation device for use in a process stream of spent nuclear fuel, as claimed in claim 6, wherein: The collection bottles (8), the waste liquid bottles (9) and the sample bottles (11) are arranged in the processing box (3).

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