High-strength spent fuel screening device
By introducing a rotating separation and moving cleaning mechanism into the high-strength spent fuel screening device, the problem of low spent fuel screening efficiency was solved, achieving efficient separation and cleaning and improving screening efficiency.
Patent Information
- Application Number
- CN202422417850.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-08
AI Technical Summary
Existing high-strength spent fuel screening equipment cannot effectively and efficiently separate the cut high-strength spent fuel during screening. The internal and external materials are prone to sticking together, and the lack of an effective separation structure leads to low screening efficiency.
A high-strength spent fuel screening device was designed, comprising a rotating separation mechanism and a moving cleaning mechanism. The rotating separation mechanism uses a rotary motor to drive a slapping blade to beat the spent fuel, while the moving cleaning mechanism uses a lead screw and metal brushes to clean the screening box, ensuring efficient material separation and cleaning.
It achieves efficient separation of high-strength spent fuel after cutting, avoids material adhesion, improves screening efficiency, and prevents clogging of the screening box through a moving cleaning mechanism.
Smart Images

Figure CN223465109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high strength spent fuel processing technical field, concretely relates to a kind of screening devices for high strength spent fuel. BACKGROUND
[0002] Spent fuel, also known as irradiated nuclear fuel, is nuclear fuel that has been subjected to radiation and used. It is usually generated by nuclear reactors in nuclear power plants. Spent fuel assembly disassembly involves transporting cooled spent fuel to a shearing machine to cut it into small pieces. The cut spent fuel falls into a basket for subsequent processing. During screening, high-strength spent fuel screening equipment is needed.
[0003] The existing high-strength spent fuel screening equipment cannot effectively separate the cut high-strength spent fuel during screening, resulting in the internal and external materials sticking together. There is a lack of corresponding separation structure, making the screening process inefficient.
[0004] Therefore, a new high-strength spent fuel screening device is proposed to solve the above technical problems. SUMMARY
[0005] The utility model aims at providing a kind of screening device for high strength spent fuel, to solve the above background technical problems. The existing high-strength spent fuel screening equipment cannot effectively separate the cut high-strength spent fuel during screening, resulting in the internal and external materials sticking together. There is a lack of corresponding separation structure, making the screening process inefficient.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of screening device for high strength spent fuel, including high-strength spent fuel workpiece, feed collection tank and screening separation tank, the feed collection tank is installed and is connected at the upper end left side feed inlet of screening separation tank, the feed inlet of the feed collection tank is provided with high-strength spent fuel workpiece, the upper end inboard of the feed collection tank is provided with material cutting mechanism, the lower end inboard of the feed collection tank is provided with rotating separation mechanism, the inside top of the screening separation tank is provided with mobile cleaning mechanism, the right end upper side of the screening separation tank is provided with upper discharge hopper, the discharge port of the upper discharge hopper is provided with screw feeder, the right end lower side of the screening separation tank is provided with lower discharge hopper.
[0007] The rotating separation mechanism includes a first coupling, a rotating motor, a beating leaf plate, an intermediate shaft and a metal main rod. The output end of the rotating motor is provided with a first coupling. The outer end of the first coupling is provided with an intermediate shaft. The intermediate shaft is provided with a metal main rod on the side. The metal main rod is provided with a beating leaf plate on the outer wall of both ends. The intermediate shaft is sleeved on the feed collection tank.
[0008] The feeding collecting box comprises a vertical box body, a left side inclined box and a reinforcing end plate, the left side inclined box is arranged at the left side of the upper end of the vertical box body, the reinforcing end plate is arranged at the inner side of the lower end of the vertical box body, the lower end of the vertical box body is connected to the screening and separating box, and the upper end of the vertical box body is connected to the material cutting mechanism.
[0009] The material cutting mechanism comprises a movable panel, a bottom cutter, an electric telescopic cylinder and a mounting disc, the mounting disc is arranged at the periphery of the electric telescopic cylinder, the movable panel is arranged at the lower end of the telescopic rod of the electric telescopic cylinder, the bottom cutter is arranged at the lower end of the movable panel, and the bottom cutter is arranged on the outer side of the discharge port of the left side inclined box.
[0010] The moving cleaning mechanism comprises a lead screw body, a lead screw sliding block, a lead screw motor, a hollow sleeve, a left-right moving telescopic cylinder, a metal brush wire, a metal spring and a T-shaped movable rod, the output end of the lead screw motor is connected with the internal lead screw of the lead screw body through a shaft coupling, the internal lead screw of the lead screw body is threadedly rotatably provided with the lead screw sliding block, the lower end of the lead screw sliding block is provided with the left-right moving telescopic cylinder, the lower end of the telescopic rod of the left-right moving telescopic cylinder is provided with the hollow sleeve, the internal top end of the hollow sleeve is provided with the metal spring, the lower end of the metal spring is provided with the T-shaped movable rod through the hollow sleeve, the lower end of the T-shaped movable rod is provided with the metal brush wire, and the lead screw body and the lead screw motor are fixedly connected to the screening and separating box.
[0011] The two electric telescopic cylinders are symmetrically arranged on the two sides of the upper end of the movable panel.
[0012] The feeding collecting box and the screening and separating box are fixedly connected through welding, and the connecting position of the feeding collecting box and the screening and separating box is through.
[0013] The screening and separating box comprises a separating box shell, a lower sieve separation cavity, an upper sieve separation cavity and an inclined sieve plate, the internal part of the separating box shell is obliquely provided with the inclined sieve plate, the upper part of the internal part of the separating box shell and the inclined sieve plate is provided with the upper sieve separation cavity, and the lower part of the internal part of the separating box shell and the inclined sieve plate is provided with the lower sieve separation cavity.
[0014] As the above-mentioned technology is adopted, the beneficial effects of the present application are as follows:
[0015] 1. The utility model discloses a rotating separation mechanism structure is set up through, thereby can rotate and beat separation, the rotary motor of rotating separation mechanism is installed on the feed collecting box through screw, and the output of rotary motor is fixedly connected with first coupling, and the outer end of first coupling is fixedly connected with intermediate shaft rod, and the output of rotary motor drives first coupling to rotate when rotating, and first coupling drives intermediate shaft rod to rotate, and intermediate shaft rod is sleeved on the feed collecting box, so that intermediate shaft rod can be positioned and rotates, and the circumferential side of intermediate shaft rod is fixedly connected with metal main rod, and then intermediate shaft rod can drive metal main rod to rotate, and the both ends outer wall of metal main rod is fixedly connected with beating leaf plate, and metal main rod can drive beating leaf plate to rotate, and then beating leaf plate can beat high strength spent fuel workpiece that falls after shearing in rotation, so that it is more efficient when separating.
[0016] 2. The utility model discloses a mobile cleaning mechanism structure is set up through, thereby can move and clean, and the inside screw rod of screw rod machine body is connected with the inside screw rod of screw rod machine body through coupling, and the inside screw rod of screw rod machine body is screw thread rotationally installed with screw block, and the output of screw rod motor can drive the inside screw rod of screw rod machine body to rotate reversely when rotating reversely, and the inside screw rod of screw rod machine body can make the screw block of screw thread rotationally installed with the circumferential side rotate reversely when rotating reversely, so that it can clean to move left and right, and the lower end screw of screw block installs left and right movement telescopic cylinder, and screw block can drive left and right movement telescopic cylinder to move left and right, and the lower end fixed connection of telescopic rod of left and right movement telescopic cylinder has hollow sleeve pipe, and the telescopic rod of left and right movement telescopic cylinder can drive hollow sleeve pipe to go down when elongating, so that it can change height position and clean, and the inside top of hollow sleeve pipe is fixedly connected with metal spring, and the lower end movable installation of metal spring has T type movable rod through hollow sleeve pipe, and T type movable rod can be elastically buffered due to metal spring, so that it plays the role of elastic buffering protection, so that it can buffer and clean when moving left and right, and the lower end fixed connection of T type movable rod has metal brush wire, so that it can brush, and screw rod machine body and screw rod motor are fixedly connected on screening separation tank, so that it can be placed and used stably. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the three -dimensional structure schematic diagram of the utility model discloses a kind of high-strength spent fuel screening device;
[0018] Figure 2 It is the combination structure schematic diagram of the utility model discloses a kind of high-strength spent fuel screening device's feed collecting box, material cutting mechanism and rotating separation mechanism;
[0019] Figure 3 It is the rotating separation mechanism structure schematic diagram of the utility model discloses a kind of high-strength spent fuel screening device;
[0020] Figure 4 It is a high-strength spent fuel screening device's screening separation box and mobile cleaning mechanism structure schematic view of the utility model.
[0021] Figure 5 It is a high-strength spent fuel screening device's structure schematic view of the utility model.
[0022] In the drawing: 1, high-strength spent fuel workpiece;2, feed collection box;21, vertical box body;22, left side inclined box;23, reinforced end plate;3, material cutting mechanism;31, movable panel;32, bottom cutter;33, electric telescopic cylinder;34, mounting disc;4, mobile cleaning mechanism;41, lead screw body;42, lead screw slide block;43, lead screw motor;44, hollow sleeve;45, left and right mobile telescopic cylinder;46, metal brush wire;47, metal spring;48, T-shaped movable rod;5, screening separation box;51, separation box shell;52, lower screening cavity;53, upper screening cavity;54, inclined screen plate;6, upper discharge hopper;7, screw feeder;8, lower discharge hopper;9, rotating separation mechanism;91, first coupling;92, rotating motor;93, beating leaf plate;94, intermediate shaft;95, metal main rod. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.
[0024] Embodiment one
[0025] With reference to Figures 1-3The utility model provides a kind of high-strength spent fuel screening device, including high-strength spent fuel workpiece 1, feed collection tank 2 and screening separation tank 5, feed collection tank 2 is installed and is connected at the upper end left side feed inlet of screening separation tank 5, feed collection tank 2 is placed with high-strength spent fuel workpiece 1 at feed inlet, high-strength spent fuel workpiece 1 can be added to feed collection tank 2 by feed collection tank 2, material cutting mechanism 3 is fixedly installed in the upper end inside of feed collection tank 2, and material cutting mechanism 3 can be sheared to high-strength spent fuel workpiece 1 discharged inside feed collection tank 2, rotating separation mechanism 9 is fixedly installed in the lower end inside of feed collection tank 2, and rotating separation mechanism 9 can beat high-strength spent fuel workpiece 1 after shearing, so that high-strength spent fuel workpiece 1 after shearing can be efficiently separated, mobile cleaning mechanism 4 is installed at the inside top of screening separation tank 5, and mobile cleaning mechanism 4 can clean inside screening separation tank 5, to avoid plugging during screening, upper discharge hopper 6 is fixedly connected on the right end of screening separation tank 5, and upper discharge hopper 6 can discharge material not screened above screening separation tank 5, screw feeder 7 is fixedly connected at the discharge port of upper discharge hopper 6, and then can be discharged to specified position after screw feeder 7, and lower discharge hopper 8 is fixedly connected at the right end of screening separation tank 5, so as to discharge screened material;
[0026] Rotating separation mechanism 9 includes first coupling 91, rotating motor 92, beating leaf plate 93, intermediate shaft 94 and metal main rod 95, rotating motor 92 is installed on feed collection tank 2 by screw, the output of rotating motor 92 is fixedly connected with first coupling 91, the outer end of first coupling 91 is fixedly connected with intermediate shaft 94, the output of rotating motor 92 drives first coupling 91 to rotate when rotating, and first coupling 91 drives intermediate shaft 94 to rotate, intermediate shaft 94 is sleeved on feed collection tank 2, so that intermediate shaft 94 can be positioned and rotated, the periphery of intermediate shaft 94 is fixedly connected with metal main rod 95, and then intermediate shaft 94 can drive metal main rod 95 to rotate, the both ends of metal main rod 95 are fixedly connected with beating leaf plate 93, and metal main rod 95 can drive beating leaf plate 93 to rotate, and then beating leaf plate 93 can beat high-strength spent fuel workpiece 1 after shearing in rotation, so that it is more efficient during separation.
[0027] The utility model discloses, material collecting box 2 includes vertical box 21, left side inclined box 22 and reinforcing end plate 23, the upper end left side fixed connection of vertical box 21 has left side inclined box 22, left side inclined box 22 can then discharge high strength spent fuel workpiece 1 to vertical box 21, the lower end inboard fixed connection of vertical box 21 has reinforcing end plate 23, reinforcing end plate 23 can then strengthen the inner wall of vertical box 21, make play to strengthen the protection effect, avoid damage, the lower end fixed connection of vertical box 21 is connected on screening separation tank 5, to stable placement can, the upper end of vertical box 21 is connected on material cutting mechanism 3, so that material cutting mechanism 3 can be sheared in the inside of vertical box 21.
[0028] The utility model discloses, material cutting mechanism 3 includes movable panel 31, bottom cutter 32, electric telescopic cylinder 33 and installation disc 34, the fixed connection of electric telescopic cylinder 33's periphery has installation disc 34, electric telescopic cylinder 33 can be installed on material collecting box 2 through installation disc 34, so that stable placement can be, the fixed connection of electric telescopic cylinder 33's telescopic rod lower extreme has movable panel 31, the telescopic rod of electric telescopic cylinder 33 can then drive movable panel 31 to move when telescoping, the fixed connection of movable panel 31's lower extreme has bottom cutter 32, movable panel 31 can then drive bottom cutter 32 to go up and down, to can cut, bottom cutter 32 is located on the left side inclined box 22's discharge port outside, so that high strength spent fuel workpiece 1 of cutting left side inclined box 22 can be discharged;
[0029] Electric telescopic cylinder 33 installs two, and electric telescopic cylinder 33 is installed on the upper end both sides of movable panel 31 symmetrically, to correspond installation use can.
[0030] The utility model discloses, material collecting box 2 and screening separation tank 5 are fixedly connected through welding, and the connecting place of material collecting box 2 and screening separation tank 5 is thorough, to can install and fix, and the connecting place is thorough, so that convenient thorough conveying use is made.
[0031] Example two
[0032] Refer to Figure 1 , Figure 4 and Figure 5A high-strength screening device for spent fuel, compared with embodiment one, the moving cleaning mechanism 4 includes a lead screw body 41, a lead screw block 42, a lead screw motor 43, a hollow sleeve 44, a left and right moving telescopic cylinder 45, a metal brush wire 46, a metal spring 47 and a T-shaped movable rod 48, the output end of the lead screw motor 43 is connected with the internal lead screw of the lead screw body 41 through a shaft coupling, the internal lead screw of the lead screw body 41 is threadedly rotatably installed with the lead screw block 42, the output end of the lead screw motor 43 can drive the internal lead screw of the lead screw body 41 to rotate forward and backward when rotating forward and backward, the lead screw block 42 threadedly rotatably installed on the side of the internal lead screw of the lead screw body 41 can move left and right when the internal lead screw rotates forward and backward, so as to clean left and right, the lower end of the lead screw block 42 is screw-mounted with the left and right moving telescopic cylinder 45, the lead screw block 42 can drive the left and right moving telescopic cylinder 45 to move left and right, the lower end of the telescopic rod of the left and right moving telescopic cylinder 45 is fixedly connected with the hollow sleeve 44, the telescopic rod of the left and right moving telescopic cylinder 45 can drive the hollow sleeve 44 to move down when elongating, so that the height position can be changed for cleaning, the internal top of the hollow sleeve 44 is fixedly connected with the metal spring 47, the lower end of the metal spring 47 is movably installed with the T-shaped movable rod 48 through the hollow sleeve 44, the T-shaped movable rod 48 can be elastically buffered due to the metal spring 47, so as to play an elastic buffering protection role, so that the left and right movement can be buffered and cleaned, the lower end of the T-shaped movable rod 48 is fixedly connected with the metal brush wire 46, so as to be able to sweep, the lead screw body 41 and the lead screw motor 43 are fixedly connected on the screening and separating box 5, so as to be able to be stably placed and used.
[0033] Embodiment three
[0034] Refer to Figure 1 And Figure 4 A high-strength screening device for spent fuel, compared with embodiment two, the screening and separating box 5 includes a separating box shell 51, a lower screening cavity 52, an upper screening cavity 53 and an inclined screen plate 54, the internal inclined screen plate 54 is fixedly connected in the separating box shell 51, so as to be able to be inclined for screening, the upper screening cavity 53 is formed in the upper part of the internal separating box shell 51 and the internal inclined screen plate 54, so as to be able to discharge the un-screened materials, the lower screening cavity 52 is formed in the lower part of the internal separating box shell 51 and the internal inclined screen plate 54, so as to be able to discharge the screened materials.
[0035] Working principle: When in use, high-strength spent fuel workpieces 1 can be added to the feed collection box 2 through the feed collection box 2. A material cutting mechanism 3 is fixedly installed on the inner side of the upper end of the feed collection box 2. The material cutting mechanism 3 can shear the high-strength spent fuel workpieces 1 discharged from the feed collection box 2. The rotating separation mechanism 9 can pat the high-strength spent fuel workpieces 1 that fall after shearing, so that they can be efficiently separated, and then they can be efficiently screened when passing through the screening separation box 5. The mobile cleaning mechanism 4 can clean the inside of the screening separation box 5 to avoid blockage during screening. The upper discharge hopper 6 can discharge the unscreened material above the screening separation box 5. The discharge port of the upper discharge hopper 6 is fixedly connected to a screw feeder 7, and then it can be discharged to a designated position through the screw feeder 7. The lower right end of the screening separation box 5 is fixedly connected to a lower discharge hopper 8, so that the screened material can be discharged.
[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
Claims
1. A high-strength spent fuel screening device, comprising a high-strength spent fuel workpiece (1), a feed collecting box (2) and a screening separation box (5), the feed collecting box (2) is installed and connected at the left upper end feed inlet of the screening separation box (5), and the high-strength spent fuel workpiece (1) is arranged at the feed inlet of the feed collecting box (2), characterized in that: The upper end of the feeding collecting box (2) is internally provided with a material cutting mechanism (3), the lower end of the feeding collecting box (2) is internally provided with a rotating separation mechanism (9), the internal top end of the screening separation box (5) is provided with a moving cleaning mechanism (4), the upper end of the right end of the screening separation box (5) is provided with an upper discharge hopper (6), the discharge port of the upper discharge hopper (6) is provided with a screw feeder (7), the lower end of the right end of the screening separation box (5) is provided with a lower discharge hopper (8); The rotating separation mechanism (9) comprises a first coupling (91), a rotating motor (92), a beating leaf plate (93), an intermediate shaft (94) and a metal main rod (95), the output end of the rotating motor (92) is provided with the first coupling (91), the outer end of the first coupling (91) is provided with the intermediate shaft (94), the circumferential side of the intermediate shaft (94) is provided with the metal main rod (95), the outer walls of the two ends of the metal main rod (95) are provided with the beating leaf plate (93), and the intermediate shaft (94) is sleeved on the feeding collecting box (2).
2. The high strength screening device for spent fuel according to claim 1, characterized in that: The feeding collecting box (2) comprises a vertical box body (21), a left inclined box (22) and a reinforcing end plate (23), the upper end of the left side of the vertical box body (21) is provided with the left inclined box (22), the lower end of the internal side of the vertical box body (21) is provided with the reinforcing end plate (23), the lower end of the vertical box body (21) is connected to the screening separation box (5), and the upper end of the vertical box body (21) is connected to the material cutting mechanism (3).
3. The high strength screening device for spent fuel according to claim 1, characterized in that: The material cutting mechanism (3) comprises a movable panel (31), a bottom cutter (32), an electric telescopic cylinder (33) and a mounting disc (34), the circumferential side of the electric telescopic cylinder (33) is provided with the mounting disc (34), the lower end of the telescopic rod of the electric telescopic cylinder (33) is provided with the movable panel (31), the lower end of the movable panel (31) is provided with the bottom cutter (32), and the bottom cutter (32) is located on the discharge port outer side of the left inclined box (22).
4. The high-strength spent fuel screening device according to claim 1, characterized in that: The moving cleaning mechanism (4) comprises a lead screw body (41), a lead screw block (42), a lead screw motor (43), a hollow sleeve (44), a left-right moving telescopic cylinder (45), a metal brush wire (46), a metal spring (47) and a T-shaped movable rod (48), the output end of the lead screw motor (43) is connected to the internal lead screw of the lead screw body (41) through a coupling, the internal lead screw of the lead screw body (41) is threadedly rotatably provided with the lead screw block (42) on the circumferential side, the lower end of the lead screw block (42) is provided with the left-right moving telescopic cylinder (45), the lower end of the telescopic rod of the left-right moving telescopic cylinder (45) is provided with the hollow sleeve (44), the internal top end of the hollow sleeve (44) is provided with the metal spring (47), the lower end of the metal spring (47) is provided with the T-shaped movable rod (48) penetrating through the hollow sleeve (44), the lower end of the T-shaped movable rod (48) is provided with the metal brush wire (46), and the lead screw body (41) and the lead screw motor (43) are fixedly connected to the screening separation box (5).
5. The high strength screening device for spent fuel according to claim 3, characterized in that: The electric telescopic cylinders (33) are symmetrically arranged on both sides of the upper end of the movable panel (31).
6. The high strength screening device for spent fuel according to claim 1, characterized in that: The feed collecting box (2) and the screening separation box (5) are fixedly connected by welding, and the connecting part of the feed collecting box (2) and the screening separation box (5) is through.
7. A high strength screening device for spent fuel according to claim 6, characterized in that: The screening separation box (5) comprises a separation box shell (51), a lower sieve separation cavity (52), an upper sieve separation cavity (53) and an inclined sieve plate (54), the inside of the separation box shell (51) is inclinedly provided with the inclined sieve plate (54), the inside of the separation box shell (51) and the inclined sieve plate (54) is provided with the upper sieve separation cavity (53) above, and the inside of the separation box shell (51) and the inclined sieve plate (54) is provided with the lower sieve separation cavity (52) below.