Filter element for nuclear power radioactive water purification

Abstract

The utility model provides a filter element for nuclear power radioactive water purification, and belongs to the technical field of nuclear energy industry wastewater purification. Comprising a pattern plate, a rubber ring is annularly embedded in the periphery of the pattern plate, a guide groove is formed in the middle of the pattern plate, a guide sleeve is fixedly arranged on the inner side of the guide groove, and a guide rod penetrates through the middle of the guide sleeve. According to the utility model, the five filter elements are arranged around the periphery of the guide rod, and are limited and locked by combined parts such as the pattern plate, the pull rod and the pressing plate, so that in the state, the five filter elements can be indirectly seen as a whole, and the filtering effect of the large filter element in the combined state can effectively guarantee the precision and the pollutant holding amount; and nanofibers exist in the filter membrane material of the filter element, so that when one of the filter elements has a blockage precursor or is damaged to influence filtration, a worker can relatively replace the corresponding filter element without completely replacing the filter element.

Description

Technical Field

[0001] The utility model relates to the technical field of waste water purification in the nuclear energy industry, in particular to a filter element used for purifying nuclear power radioactive water. Background Art

[0002] At present, filtering devices are needed for wastewater purification in nuclear power plants, and the filtering devices mainly rely on filter elements to achieve efficient filtration and purification of radioactive substances in the wastewater.

[0003] The wastewater purification filter element currently used in nuclear power plants is an integral unit. When one side of the filter element has more filtered matter, affecting the purification effect, the filter element needs to be replaced as a whole. In addition, the existing filter element interfaces have many and complex sizes, so personnel also need to reasonably customize the size of the part to be installed of the filter element. Therefore, the present application provides a filter element for nuclear power radioactive water purification to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a filter element for nuclear power radioactive water purification to solve the problem that the wastewater purification filter element currently used in the existing nuclear power plants is an integral unit. When a certain side of the filter element has a lot of filtered matter that affects the purification effect, the filter element needs to be replaced as a whole. In addition, the existing filter element interface sizes are numerous and complex, so personnel also need to reasonably customize the size of the part to be installed of the filter element.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A filter element for purifying radioactive water in nuclear power plants, comprising a flower plate, a rubber ring embedded in the peripheral ring of the flower plate, a guide groove opened in the middle of the flower plate, a guide sleeve fixedly arranged on the inner side of the guide groove, and a guide rod penetrated in the middle of the guide sleeve, a block fixed on the peripheral ring near the end of the guide rod, an O-ring embedded in the inner ring near the end of the guide sleeve, a screw groove distributed around the middle of the flower plate, and a filter element is arranged above the screw groove, a threaded sleeve is connected to the bottom end of the filter element, an inner hole is opened on one side of a plurality of screw grooves distributed on the flower plate, and one end of a pull rod is fixed inside the inner hole, a pressure plate is penetrated at the top end of a plurality of the pull rods, and alignment holes for the pull rods to penetrate are distributed on the pressure plate, a through hole for the guide rod to penetrate is opened in the middle of the pressure plate, and embedding holes for the top end of the filter element to embed are distributed around the middle of the pressure plate, and locking nuts are screwed around the top ends of the plurality of the pull rods.

[0007] Optionally, five filter elements are provided, and the five filter elements are all threadedly connected through the threaded sleeve and the threaded grooves formed in the flower plate in a corresponding position.

[0008] Optionally, a clamping connection is formed between a clamping block fixed near the periphery of the end of the guide rod and the top end inside the guide sleeve.

[0009] Optionally, the peripheral dimension of the guide rod matches the dimension of the opening in the middle of the upper end of the guide sleeve.

[0010] Optionally, the pressure plate forms a threaded locking connection by cooperating with the filter element through the threaded structure between the pull rod and the locking nut.

[0011] Compared with the prior art, the utility model has at least the following beneficial effects:

[0012] In the above scheme, by setting the filter element, five filter elements are arranged around the guide rod, and are limited and locked by the joint components such as the pattern plate, the pull rod and the pressure plate. In this state, the five filter elements can be indirectly regarded as a whole. The filtering effect of the large filter element in the combined state can provide effective guarantee for the accuracy and the amount of dirt holding. In addition, there are nanofibers in the filter membrane material of the filter element. When one of the component filter elements has a sign of blockage or damage that affects the filtration, the personnel can relatively replace the corresponding filter element without replacing all of them. At the same time, the staff can also reasonably combine different numbers of filter elements according to the flow rate of the filtered wastewater, so as to greatly reduce the cost. The filter element in this design is a standard product with a single interface size, and no non-standard customization is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of a filter element used for nuclear power radioactive water purification;

[0015] Figure 2 This is a schematic diagram of the three-dimensional explosion structure of a filter element used for nuclear power radioactive water purification;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of a filter element used for nuclear power radioactive water purification;

[0017] Figure 4 This is a schematic diagram of the three-dimensional partial structure of a filter element used for nuclear power radioactive water purification.

[0018] [reference numerals]

[0019] 1. Flower plate; 2. Rubber ring; 3. Guide groove; 4. Guide sleeve; 5. Guide rod; 6. Block; 7. O-ring; 8. Screw groove; 9. Filter element; 10. Threaded sleeve; 11. Internal hole; 12. Pull rod; 13. Press plate; 14. Embedded hole; 15. Through hole; 16. Alignment hole; 17. Lock nut.

[0020] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0021] The following is a detailed description of a filter element for nuclear power radioactive water purification provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0022] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0023] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0024] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0025] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0026] like Figures 1 to 4As shown, the embodiment of the utility model provides a filter element for nuclear power radioactive water purification, including a flower plate 1, a rubber ring 2 is embedded in the peripheral ring of the flower plate 1, and a guide groove 3 is opened in the middle of the flower plate 1, a guide sleeve 4 is fixed on the inner side of the guide groove 3, and a guide rod 5 is passed through the middle of the guide sleeve 4, the peripheral size of the guide rod 5 matches the size opened in the middle of the upper end of the guide sleeve 4, a clamping block 6 is fixed to the peripheral edge of the guide rod 5 near the end, and the clamping block 6 fixed to the peripheral edge of the guide rod 5 near the end is connected to the top of the inner side of the guide sleeve 4 by a clamping connection, and the inner side of the guide sleeve 4 is embedded with a rubber ring 2. O-ring 7, a screw groove 8 is distributed around the middle of the flower plate 1, and a filter element 9 is arranged above the screw groove 8, and a threaded sleeve 10 is connected to the bottom of the filter element 9. Five filter elements 9 are provided, and the five filter elements 9 are threadedly connected to the screw groove 8 opened in the flower plate 1 through the threaded sleeve 10. An inner hole 11 is opened on one side of the multiple screw grooves 8 distributed on the flower plate 1, and one end of a pull rod 12 is fixed inside the inner hole 11. The tops of the multiple pull rods 12 are penetrated by a pressure plate 13, and the pressure plate 13 is distributed with a positioning hole for the pull rod 12 to penetrate. The middle of the pressing plate 13 is provided with a through hole 15 for the guide rod 5 to pass through, and the middle of the pressing plate 13 is provided with embedded holes 14 for the top of the filter element 9 to be embedded. The top of the plurality of tie rods 12 is screwed with locking nuts 17. The pressing plate 13 forms a threaded locking connection with the filter element 9 through the threaded structure between the tie rod 12 and the locking nut 17. The filter element 9 is provided with five around the guide rod 5, and is limited and locked by the joint components such as the pattern plate 1, the tie rod 12 and the pressing plate 13. In this state, the five filter elements 9 can be indirectly regarded as As a whole, the filtering effect of the large filter element 9 in the combined state can provide effective guarantee for accuracy and dirt holding capacity, and there are nanofibers in the filter membrane material of the filter element 9. When one of the component filter elements 9 has signs of blockage or damage that affects the filtration, the staff can relatively replace the corresponding filter element 9 without replacing all of them. At the same time, the staff can also reasonably combine different numbers of filter elements 9 according to the flow rate of the filtered wastewater, which can greatly reduce costs. The filter element 9 in this design is a standard product with a single interface size and no non-standard customization is required.

[0027] The working principle provided by the utility model is that five filter elements 9 are arranged around the guide rod 5, and are limited and locked by the combined components such as the pattern plate 1, the pull rod 12 and the pressure plate 13. In this state, the five filter elements 9 can be indirectly regarded as a whole. In the combined state, the filtering effect of the large filter element 9 can provide effective guarantee for the accuracy and the amount of dirt holding. In addition, there are nanofibers in the filter membrane material of the filter element 9. When one of the component filter elements 9 has a sign of blockage or damage that affects the filtration, the staff can relatively replace the corresponding filter element 9. At the same time, the staff can also reasonably combine different numbers of filter elements 9 according to the flow rate of the filtered wastewater, thereby greatly reducing the cost.

[0028] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A filter element for purifying nuclear power radioactive water, characterized in that: The invention comprises a flower plate (1), wherein a rubber ring (2) is embedded in the periphery of the flower plate (1), and a guide groove (3) is provided in the middle of the flower plate (1), a guide sleeve (4) is fixedly provided on the inner side of the guide groove (3), and a guide rod (5) is passed through the middle of the guide sleeve (4), a clamping block (6) is fixed on the periphery of the guide rod (5) near the end, and an O-type sealing ring (7) is embedded in the inner part of the guide sleeve (4) near the end, screw grooves (8) are distributed around the middle of the flower plate (1), and a filter element (9) is arranged above the screw groove (8), and a threaded sleeve (10) is connected to the bottom end of the filter element (9). An inner hole (11) is provided on one side of the plurality of screw-mounted grooves (8) distributed on the flower plate (1), and one end of a pull rod (12) is fixed inside the inner hole (11). The top ends of the plurality of pull rods (12) are penetrated by a pressure plate (13), and the pressure plate (13) is provided with alignment holes (16) for the pull rods (12) to penetrate. A through hole (15) is provided in the middle of the pressure plate (13) for the guide rod (5) to penetrate, and embedding holes (14) are provided around the middle of the pressure plate (13) for the top end of the filter element (9) to be embedded, and locking nuts (17) are screwed around the top ends of the plurality of pull rods (12).

2. The filter element for nuclear power radioactive water purification according to claim 1, characterized in that: Five filter cores (9) are provided, and the five filter cores (9) are all threadedly connected through the threaded sleeve (10) and the threaded groove (8) formed in a corresponding position on the flower plate (1).

3. The filter element for nuclear power radioactive water purification according to claim 1, characterized in that: A clamping connection is formed between a clamping block (6) fixed near the periphery of the end of the guide rod (5) and the top end inside the guide sleeve (4).

4. The filter element for nuclear power radioactive water purification according to claim 1, characterized in that: The peripheral dimensions of the guide rod (5) match the dimensions of the opening in the middle of the upper end of the guide sleeve (4).

5. The filter element for nuclear power radioactive water purification according to claim 1, characterized in that: The pressure plate (13) forms a threaded locking connection by cooperating with the filter element (9) through the threaded structure between the pull rod (12) and the locking nut (17).

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