Funnel type negative pressure self-suction loading device for resin loading
By designing a funnel-type negative pressure self-priming loading device, the negative pressure self-priming assembly and desalinate flushing pipeline are used to achieve automatic loading of resin, which solves the problems of slow loading speed and radiation exposure in traditional loading methods, and achieves a stable, efficient and safe resin loading process.
Patent Information
- Application Number
- CN202421786572.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-26
AI Technical Summary
During the commissioning and overhaul of the nuclear power plant unit, traditional resin loading methods have problems such as slower loading speed, jetting and exposure of personnel radiation, which affects loading efficiency and human health.
A funnel-type negative pressure self-priming loading device is designed, using negative pressure self-priming components and desalinate flushing pipelines to realize automatic loading of resins, avoiding slower loading speed and injection caused by manual operation, and at the same time, the pipelines and desalinate ring flow barriers are flushed by annular desalinate flushing pipelines and desalinate annular desalinate flushing plates to reduce the harm of radiation to the human body.
It realizes long-term stable automatic loading of resin, avoids the problems of slowing loading speed and spraying, and effectively reduces the harm of radiation to the human body, improving loading efficiency and safety.
Smart Images
Figure CN223015482U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of resin loading equipment, and particularly relates to a funnel-shaped negative-pressure self-priming loading device for resin loading. Background Art
[0002] During the commissioning and overhaul of nuclear power plant units, resin loading will be carried out on three filters in the coolant purification system of each unit. According to the traditional method of resin loading for this filter, a funnel with a flange is installed on the resin loading port (the resin loading port is above the filter and slightly lower than the construction surface). Resin is scooped out from the resin barrel by manual use of a basin or other container and evenly poured into the funnel to prevent blockage of the funnel outlet due to too fast speed. Then, demineralized water is manually connected to the upper part of the funnel in a hose manner to wash the resin. Finally, the resin is loaded into the filter under the action of gravity and water flow. During the process of pouring into the funnel, the personnel also need to maintain a relatively slow movement. During this period, the personnel are prone to fatigue, causing blockage of the funnel outlet, resulting in a slow resin loading speed and spraying. Moreover, the filter filters the primary coolant, and its radiation dose is relatively high. The personnel using demineralized water to wash the resin and the resin loading personnel beside the funnel need to work for a long time, which will cause the personnel to be irradiated at a high dose at close range, affecting human health. Therefore, there is an urgent need for a device that can automatically and stably load resin. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a funnel-shaped negative-pressure self-priming loading device for resin loading, which uses self-priming loading to replace traditional manual loading, can effectively ensure the long-term stable loading of resin, avoid the problems of slow resin loading speed and spraying, and at the same time can effectively avoid radiation damage to the human body.
[0004] The utility model is realized by the following technical solutions:
[0005] A funnel-shaped negative-pressure self-priming loading device for resin loading includes a funnel body, a negative-pressure self-priming component, and a demineralized water flushing pipeline. The bottom opening of the funnel body is communicated with the loading port of the filter. One end of the negative-pressure self-priming component is communicated with the inner cavity of the funnel body, and the other end of the negative-pressure self-priming component is communicated with external resin. The demineralized water flushing pipeline is arranged on the side wall of the funnel body, and one end of the demineralized water flushing pipeline is communicated with the inner cavity of the funnel body, and the other end of the demineralized water flushing pipeline is communicated with external demineralized water. In order to solve the above technical problems and achieve the corresponding technical effects, the utility model realizes the automatic loading work of resin through the negative-pressure self-priming component and the demineralized water flushing pipeline, thereby effectively ensuring the long-term stable loading of resin, avoiding the problems of slow resin loading speed and spraying, and at the same time effectively avoiding radiation damage to the human body.
[0006] Further technical solution:
[0007] The negative pressure self-priming assembly includes a vacuum generator, the vacuum generator is fixed to the funnel body, a connecting hose is arranged at the inlet end of the vacuum generator, and a conveying L-shaped pipe is arranged at the outlet end of the vacuum generator;
[0008] Furthermore: The connecting hose communicates with external resin, and the conveying L-shaped pipe communicates with the inner cavity of the funnel body.
[0009] Furthermore: The negative pressure self-priming assembly further includes a flow control valve, and the flow control valve is arranged on the connecting hose.
[0010] Furthermore: The demineralized water flushing pipeline is arranged around the outer side wall of the funnel body, and a plurality of water outlets are arranged on the demineralized water flushing pipeline, and each water outlet communicates with the inner cavity of the funnel body.
[0011] Furthermore: It further includes a demineralized water annular baffle, the demineralized water annular baffle is arranged around the inner side wall of the funnel body, and the demineralized water annular baffle is used to block the water outlets of the demineralized water flushing pipeline.
[0012] Furthermore: It further includes an auxiliary exhaust pipeline, one end of the auxiliary exhaust pipeline is arranged outside the funnel body, the other end of the auxiliary exhaust pipeline penetrates into the funnel body and extends into the filter.
[0013] Furthermore: A funnel cover plate is arranged at the top opening of the funnel body, the vacuum generator is fixed to the funnel cover plate, and the output end of the conveying L-shaped pipe penetrates through the funnel cover plate and extends into the funnel body;
[0014] Furthermore: The funnel cover plate includes a fixed part and an opening / closing part, the fixed part is fixed to the top opening of the funnel body, the opening / closing part is hinged to the fixed part, and an opening / closing handle is arranged on the opening / closing part.
[0015] Furthermore: A number of funnel exhaust holes are opened on the top side edge of the funnel body.
[0016] Furthermore: Funnel peeping holes and liquid level monitoring holes are also arranged on the side wall of the funnel body;
[0017] Furthermore: The funnel peeping holes are opened at the middle and lower positions of the funnel body, and the liquid level monitoring holes are opened at the upper position of the funnel body.
[0018] Furthermore: It further includes a liquid level monitoring and alarm device, the liquid level monitoring and alarm device is arranged on the funnel cover plate, and the liquid level probe of the liquid level monitoring and alarm device is arranged in the funnel body.
[0019] Furthermore: Multiple groups of the negative-pressure self-priming components are provided on a single one of the funnel bodies.
[0020] Compared with the prior art, the present utility model has the following advantages and beneficial effects:
[0021] 1. For the funnel-shaped negative-pressure self-priming loading device for resin loading of the present utility model, the automatic loading of resin is realized through the negative-pressure self-priming components and the demineralized water flushing pipeline, so that the long-term stable loading of resin can be effectively ensured, the problems of slow resin loading speed and spraying can be avoided, and the damage to the human body caused by radiation can be effectively avoided.
[0022] 2. For the funnel-shaped negative-pressure self-priming loading device for resin loading of the present utility model, an annular demineralized water flushing pipeline is installed on the outer side of the funnel body, and a plurality of water outlets are opened on the annular demineralized water flushing pipeline for all-round flushing. At the same time, a demineralized water annular baffle is installed above the outlet of the demineralized water flushing pipeline on the inner side of the funnel body. The demineralized water flows along the inner side of the funnel body, which can avoid the resin directly hitting and breaking on the inner side of the funnel body, playing a certain buffering role and the role of bringing the resin into the filter.
[0023] 3. For the funnel-shaped negative-pressure self-priming loading device for resin loading of the present utility model, by adding an adjustable flow control valve between the vacuum generator and the connecting hose, the amount of resin entering the funnel can be controlled to avoid the problem of funnel blockage.
[0024] 4. For the funnel-shaped negative-pressure self-priming loading device for resin loading of the present utility model, the auxiliary exhaust pipeline discharges the gas in the filter along the inner wall of the funnel body, which can avoid the spraying problem caused by insufficient exhaust.
[0025] 5. For the funnel-shaped negative-pressure self-priming loading device for resin loading of the present utility model, a funnel cover plate is added above the funnel body, which can effectively prevent the intrusion of sudden foreign objects. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts. In the drawings:
[0027] Figure 1 is a schematic structural diagram of the present utility model;
[0028] Figure 2 is a vertical sectional view of the structure of the present utility model;
[0029] Figure 3 Partial schematic diagram of the structure of the negative-pressure self-priming assembly
[0030] Figure 4 Bottom view of the structure of the present utility model
[0031] Reference numerals in the drawings and corresponding component names
[0032] 1 - Funnel body, 2 - Negative-pressure self-priming assembly, 3 - Demineralized water flushing pipeline, 4 - Demineralized water annular baffle, 5 - Auxiliary exhaust pipeline, 6 - Funnel cover plate, 7 - Liquid level monitoring and alarm device, 11 - Funnel exhaust hole, 12 - Funnel peephole, 13 - Liquid level monitoring hole, 21 - Vacuum generator, 22 - Connecting hose, 23 - Delivery L-shaped pipe, 24 - Flow control valve, 61 - Fixed part, 62 - Opening and closing part, 63 - Opening and closing handle Detailed implementation manners
[0033] In order to make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with the embodiments and the drawings. The illustrative embodiments and descriptions thereof of the present utility model are only used to explain the present utility model and are not intended to limit the present utility model
[0034] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present utility model. However, it is obvious to those of ordinary skill in the art that: It is not necessary to employ these specific details to implement the present utility model. In other embodiments, well-known structures, circuits, materials or methods are not specifically described in order to avoid obscuring the present utility model
[0035] Throughout the specification, the reference to "one embodiment", "embodiment", "one example" or "example" means that the specific features, structures or characteristics described in connection with that embodiment or example are included in at least one embodiment of the present utility model. Thus, the phrases "one embodiment", "embodiment", "one example" or "example" that appear throughout the specification do not necessarily all refer to the same embodiment or example. In addition, the specific features, structures or characteristics can be combined in any suitable combination and / or sub-combination in one or more embodiments or examples. In addition, those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the related listed items
[0036] In the description of the present utility model, the orientation or positional relationship indicated by the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present utility model.
[0037] Embodiment:
[0038] As Figures 1 to 4 shown, a funnel-shaped negative pressure self-priming loading device for resin loading of the present utility model includes a funnel body 1, a negative pressure self-priming component 2 and a demineralized water flushing pipeline 3. The bottom opening of the funnel body 1 is communicated with the loading port of the filter. One end of the negative pressure self-priming component 2 is communicated with the inner cavity of the funnel body 1, and the other end of the negative pressure self-priming component 2 is communicated with external resin. The demineralized water flushing pipeline 3 is arranged on the side wall of the funnel body 1, and one end of the demineralized water flushing pipeline 3 is communicated with the inner cavity of the funnel body 1, and the other end of the demineralized water flushing pipeline 3 is communicated with external demineralized water. In this embodiment, the automatic loading of resin is realized through the pressure self-priming component 2 and the demineralized water flushing pipeline 3, so as to effectively ensure the long-term stable loading of resin, avoid the problems of slow resin loading speed and spraying, and at the same time effectively avoid the damage to the human body caused by radiation.
[0039] Specifically, the negative pressure self-priming component 2 includes a vacuum generator 21. The vacuum generator 21 is fixed on the funnel body 1, and a connecting hose 22 is arranged at the inlet end of the vacuum generator 21, and a conveying L-shaped pipe 23 is arranged at the outlet end of the vacuum generator 21. The connecting hose 22 is communicated with external resin, and the conveying L-shaped pipe 23 is communicated with the inner cavity of the funnel body 1. In this embodiment, when the negative pressure self-priming component 2 is working, first, the vacuum generator 21 is communicated with external compressed air. When the connecting hose 22 is in a negative pressure state, the connecting hose 22 is implanted into an external resin barrel, and the resin can enter the funnel body through the connecting hose 22, the vacuum generator 21 and the conveying L-shaped pipe 23 in sequence vertically, so as to realize the loading of resin. Further, the negative pressure self-priming component 2 further includes a flow control valve 24, and the flow control valve 24 is arranged on the connecting hose 22. The flow control valve 24 can effectively control the loading rate of resin, so as to effectively avoid the problem of funnel blockage.
[0040] The demineralized water flushing pipeline 3 is arranged around the outer side wall of the funnel body 1, and a plurality of water outlets are arranged on the demineralized water flushing pipeline 3, and each water outlet is communicated with the inner cavity of the funnel body 1. In this embodiment, the form that a plurality of water outlets are arranged around the side wall of the funnel body 1 can realize all-round flushing, thereby improving the effect of transporting resin by demineralized water.
[0041] Furthermore, the device further includes a demineralized water annular baffle 4. Specifically, the demineralized water annular baffle 4 is arranged around the inner side wall of the funnel body 1, and the demineralized water annular baffle 4 is used to block the water outlets of the demineralized water flushing pipeline 3. In this embodiment, the demineralized water annular baffle 4 can make the demineralized water flow along the inner side surface of the funnel body 1, which can avoid the resin directly hitting and breaking on the inner side surface of the funnel body 1, playing a certain buffering role and the role of bringing the resin into the filter.
[0042] The device further includes an auxiliary exhaust pipeline 5. One end of the auxiliary exhaust pipeline 5 is arranged outside the funnel body 1, and the other end of the auxiliary exhaust pipeline 5 penetrates into the funnel body 1 and extends into the filter. In this embodiment, the auxiliary exhaust pipeline 5 discharges the gas in the filter along the inner wall of the funnel body 1, which can avoid jet problems caused by insufficient exhaust.
[0043] A funnel cover plate 6 is arranged at the top opening of the funnel body 1. The vacuum generator 21 is fixed on the funnel cover plate 6, and the output end of the conveying L-shaped pipe 23 penetrates through the funnel cover plate 6 and extends into the funnel body 1; the funnel cover plate 6 includes a fixing part 61 and an opening and closing part 62. The fixing part 61 is fixed at the top opening of the funnel body 1, the opening and closing part 62 is hinged to the fixing part 61, and an opening and closing handle 63 is arranged on the opening and closing part 62. In this embodiment, a funnel cover plate 6 is added above the funnel body 1, and holes corresponding to the feed port of the vacuum generator 2 and a liquid level monitoring hole are left on the funnel cover plate 6 for installing corresponding equipment. In order to facilitate personnel to occasionally observe and operate inside the funnel body 1, the funnel cover plate 6 is divided into two halves, one is fixed on the funnel, and the other is rotatable and movable. Its main function is to prevent the intrusion of sudden foreign objects.
[0044] A plurality of funnel exhaust holes 11 are opened on the top side edge of the funnel body 1. In this embodiment, the funnel exhaust holes 11 can improve the exhaust effect of the device and avoid problems such as slurry spraying caused by excessive pressure inside the funnel body 1.
[0045] A funnel peeping hole 12 and a liquid level monitoring hole 13 are further provided on the side wall of the funnel body 1; the funnel peeping hole 12 is opened at the middle and lower part of the funnel body 1, and the liquid level monitoring hole 13 is opened at the upper part of the funnel body 1. In this embodiment, the funnel peeping hole 12 and the liquid level monitoring hole 13 can facilitate the staff to directly observe the situation inside the funnel body 1, so as to make timely adjustments and avoid safety problems.
[0046] It further includes a liquid level monitoring and alarm device 7, the liquid level monitoring and alarm device 7 is arranged on the funnel cover plate 6, and the liquid level probe of the liquid level monitoring and alarm device 7 is arranged inside the funnel body 1. In this embodiment, the liquid level monitoring and alarm device 7 can issue an alarm in time when the liquid level is too high to ensure that there is no overflow of demineralized water.
[0047] Multiple groups of the negative pressure self-priming assemblies 2 are provided for a single funnel body 1. In this embodiment, the setting of multiple groups of the negative pressure self-priming assemblies 2 can realize the loading work of various different resins, and can also be used to improve the loading speed of the same resin.
[0048] The above specific embodiments have further detailed the purpose, technical solution and beneficial effects of the present invention. It should be understood that the above is only the specific embodiment of the present invention and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A funnel-shaped negative pressure self-priming loading device for resin loading, characterized in that: It comprises a funnel body (1), a negative pressure self-priming component (2) and a deionized water flushing pipeline (3), wherein the bottom opening of the funnel body (1) is connected to the charging port of the filter, one end of the negative pressure self-priming component (2) is connected to the inner cavity of the funnel body (1), and the other end of the negative pressure self-priming component (2) is connected to the external resin; The desalted water flushing pipeline (3) is arranged on the side wall of the funnel body (1), and one end of the desalted water flushing pipeline (3) is connected to the inner cavity of the funnel body (1), and the other end of the desalted water flushing pipeline (3) is connected to external desalted water.
2. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 1, characterized in that: The negative pressure self-priming component (2) comprises a vacuum generator (21), the vacuum generator (21) is fixed to the funnel body (1), a connecting hose (22) is arranged at the inlet end of the vacuum generator (21), and a conveying L-shaped tube (23) is arranged at the outlet end of the vacuum generator (21); The connecting hose (22) is in communication with external resin, and the conveying L-shaped tube (23) is in communication with the inner cavity of the funnel body (1).
3. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 2, characterized in that: The negative pressure self-priming component (2) further comprises a flow control valve (24), and the flow control valve (24) is arranged on the connecting hose (22).
4. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 1, characterized in that: The desalted water flushing pipeline (3) is arranged around the outer wall of the funnel body (1), and a plurality of water outlets are arranged on the desalted water flushing pipeline (3), each of which is connected to the inner cavity of the funnel body (1).
5. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 4, characterized in that: It also comprises a desalted water annular baffle (4), which is arranged around the inner wall of the funnel body (1) and is used to shield the water outlet of the desalted water flushing pipeline (3).
6. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 1, characterized in that: It also comprises an auxiliary exhaust pipeline (5), one end of which is arranged outside the funnel body (1), and the other end of which penetrates into the funnel body (1) and extends into the filter.
7. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 2, characterized in that: The top opening of the funnel body (1) is provided with a funnel cover plate (6), the vacuum generator (21) is fixed to the funnel cover plate (6), and the output end of the conveying L-shaped tube (23) passes through the funnel cover plate (6) and extends into the funnel body (1); The funnel cover plate (6) comprises a fixing portion (61) and an opening and closing portion (62), wherein the fixing portion (61) is fixed to the top opening of the funnel body (1), the opening and closing portion (62) is hinged to the fixing portion (61), and an opening and closing handle (63) is provided on the opening and closing portion (62).
8. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 7, characterized in that: A plurality of funnel exhaust holes (11) are provided on the top side edge of the funnel body (1); A funnel peep hole (12) and a liquid level monitoring hole (13) are also provided on the side wall of the funnel body (1); the funnel peep hole (12) is opened at the middle and lower part of the funnel body (1), and the liquid level monitoring hole (13) is opened at the upper part of the funnel body (1).
9. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 1, characterized in that: It also comprises a liquid level monitoring and alarm device (7), wherein the liquid level monitoring and alarm device (7) is arranged on the funnel cover plate (6), and the liquid level probe of the liquid level monitoring and alarm device (7) is arranged in the funnel body (1).
10. A funnel-shaped negative pressure self-priming loading device for resin loading according to claim 7, characterized in that: A single funnel body (1) is provided with a plurality of groups of negative pressure self-priming components (2).