CN223465109U - A high-strength spent fuel screening device - Google Patents

Abstract

The utility model discloses a screening device for high-strength spent fuel, comprising high-strength spent fuel workpieces, a feed collection box and a screening and separation box. A rotating separation mechanism structure is provided so that the high-strength spent fuel workpieces can be beaten and separated by rotation. The output end of the rotating motor is fixedly connected to a first coupling, and the outer end of the first coupling is fixedly connected to an intermediate shaft. When the output end of the rotating motor rotates, it drives the first coupling to rotate, and the first coupling drives the intermediate shaft to rotate. The intermediate shaft is sleeved on the feed collection box, so that the intermediate shaft can be positioned and rotated. The peripheral side of the intermediate shaft is fixedly connected to a metal main rod, and then the intermediate shaft can drive the metal main rod to rotate. The outer walls of both ends of the metal main rod are fixedly connected to beating blades, and the metal main rod can drive the beating blades to rotate. Then the beating blades can beat the high-strength spent fuel workpieces that fall after shearing during rotation, so that separation is more efficient.

Description

Screening plant for high strength spent fuel

Technical Field

The utility model relates to the technical field of high-strength spent fuel processing, in particular to a screening device for high-strength spent fuel.

Background

The spent fuel is also called irradiated nuclear fuel, is the nuclear fuel which is irradiated by radiation and used, is usually produced by a nuclear reactor of a nuclear power plant, the spent fuel assembly is disassembled, namely the cooled spent fuel is conveyed to a shearing machine to be sheared into a plurality of small sections, the sheared spent fuel sections fall into a hanging basket to enter into subsequent treatment, and when screening is carried out, high-strength screening equipment for the spent fuel is needed.

The existing screening equipment for high-strength spent fuel can not effectively and efficiently separate the cut high-strength spent fuel when screening, so that the inner material and the outer material can be adhered together, and the corresponding separation structure is lacking, so that the screening is not very efficient.

Therefore, a new high-strength spent fuel screening device is provided to solve the technical problems.

Disclosure of utility model

The utility model aims to provide a screening device for high-strength spent fuel, which is used for solving the problems that the existing screening device for high-strength spent fuel in the background technology can not effectively and efficiently separate cut high-strength spent fuel when screening, so that inner and outer materials are adhered together, and a corresponding separation structure is lacking, so that the screening is not very efficient.

The high-strength spent fuel screening device comprises a high-strength spent fuel workpiece, a feeding collecting box and a screening separating box, wherein the feeding collecting box is installed and connected at a left side feeding port of the upper end of the screening separating box, the feeding port of the feeding collecting box is provided with the high-strength spent fuel workpiece, the inner side of the upper end of the feeding collecting box is provided with a material cutting mechanism, the inner side of the lower end of the feeding collecting box is provided with a rotating separating mechanism, the top end of the inner part of the screening separating box is provided with a movable cleaning mechanism, the upper side of the right end of the screening separating box is provided with an upper discharge hopper, the discharge port of the upper discharge hopper is provided with a screw feeder, and the lower side of the right end of the screening separating box is provided with a lower discharge hopper;

The rotary separation mechanism comprises a first coupler, a rotating motor, beating leaves, a middle shaft lever and a metal main rod, wherein the first coupler is arranged at the output end of the rotating motor, the middle shaft lever is arranged at the outer end of the first coupler, the metal main rod is arranged on the periphery of the middle shaft lever, the beating leaves are arranged on the outer walls of the two ends of the metal main rod, and the middle shaft lever is sleeved on the feeding collecting box.

The feeding collecting box comprises a vertical box body, a left inclined box and a reinforcing end plate, wherein the left inclined box is arranged on the left side of the upper end of the vertical box body, the reinforcing end plate is arranged on 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 separating box, and the upper end of the vertical box body is connected to the material cutting mechanism.

The material cutting mechanism comprises a movable panel, a bottom cutter, an electric telescopic cylinder and a mounting disc, wherein the mounting disc is arranged on the periphery of the electric telescopic cylinder, the movable panel is arranged at the lower end of a 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 positioned on the outer side of a discharge opening of the left inclined box.

The movable cleaning mechanism comprises a screw body, a screw slider, a screw motor, a hollow sleeve, a left-right movable telescopic cylinder, a metal brush wire, a metal spring and a T-shaped movable rod, wherein the output end of the screw motor is connected with an internal screw of the screw body through a coupler, the screw slider is rotatably arranged on the peripheral side of the internal screw of the screw body, the left-right movable telescopic cylinder is arranged at the lower end of the screw slider, the hollow sleeve is arranged at the lower end of the telescopic rod of the left-right movable telescopic cylinder, the metal spring is arranged at the inner top end of the hollow sleeve, the lower end of the metal spring penetrates through the hollow sleeve and is provided with the T-shaped movable rod, and the lower end of the T-shaped movable rod is provided with the metal brush wire, and the screw body and the screw motor are fixedly connected on a screening and separating box.

The electric telescopic cylinders are arranged at two sides of the upper end of the movable panel symmetrically.

The feeding collecting box is fixedly connected with the screening separating box through welding, and the connecting position of the feeding collecting box and the screening separating box is communicated.

The screening separator comprises a separator casing, a lower screening cavity, an upper screening cavity and an inclined screen plate, wherein the inclined screen plate is obliquely arranged in the separator casing, the upper screening cavity is arranged above the inside of the separator casing and the inclined screen plate, and the lower screening cavity is arranged below the inside of the separator casing and the inside of the inclined screen plate.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

1. According to the utility model, through the structure of the rotating separation mechanism, the rotating motor of the rotating separation mechanism is arranged on the feeding collection box through screws, the output end of the rotating motor is fixedly connected with the first coupler, the outer end of the first coupler is fixedly connected with the middle shaft rod, the output end of the rotating motor drives the first coupler to rotate when rotating, the first coupler drives the middle shaft rod to rotate, the middle shaft rod is sleeved on the feeding collection box, so that the middle shaft rod can be positioned and rotated, the metal main rod is fixedly connected to the periphery of the middle shaft rod, then the middle shaft rod can drive the metal main rod to rotate, the outer walls of the two ends of the metal main rod are fixedly connected with the beating blade plates, the metal main rod can drive the beating blade plates to rotate, and then the beating blade plates can beat the high-strength spent fuel workpieces which drop after being sheared in rotation, so that the separating process is more efficient.

2. According to the utility model, the movable cleaning mechanism structure is arranged, so that the movable cleaning mechanism structure can be moved to clean, the output end of a screw motor of the movable cleaning mechanism is connected with an internal screw of a screw machine body through a coupler, a screw slide block is rotatably arranged on the peripheral side screw thread of the internal screw of the screw machine body, the output end of the screw motor can drive the internal screw of the screw machine body to positively and negatively rotate when the internal screw of the screw machine body positively and negatively rotates, the screw slide block rotatably arranged on the peripheral side screw thread can move left and right when the internal screw of the screw machine body positively and negatively rotates, and accordingly, the movable screw slide block can move left and right, a telescopic cylinder is arranged at the lower end of the screw slide block, the screw slide block can drive the telescopic cylinder to move left and right, the telescopic rod lower end of the telescopic cylinder is fixedly connected with a hollow sleeve, the telescopic rod of the telescopic cylinder can drive the hollow sleeve to move downwards when the telescopic rod of the telescopic cylinder extends, the telescopic rod of the telescopic cylinder can change the height position to clean, a metal spring is fixedly connected to the inner top end of the hollow sleeve, the lower end of the metal spring is movably arranged on the T-shaped movable rod, the T-shaped movable rod can elastically buffer the screw slide block due to the metal spring, and the telescopic rod can move left and right, and the telescopic rod can be connected with the upper end of the screw brush and stably when the machine body is movably arranged, and can be connected with a cleaning box.

Drawings

FIG. 1 is a schematic perspective view of a high strength spent fuel screening apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a combined structure of a feed collection box, a material cutting mechanism and a rotary separation mechanism of the high-strength spent fuel screening device;

FIG. 3 is a schematic diagram of a rotational separation mechanism of a high strength spent fuel screening device according to the present utility model;

FIG. 4 is a schematic diagram of a screening separation box and a mobile cleaning mechanism of the high-strength spent fuel screening device.

FIG. 5 is a schematic diagram of a high strength spent fuel screening apparatus according to the present utility model.

In the figure, 1, a high-strength spent fuel workpiece, 2, a feeding collecting box, 21, a vertical box body, 22, a left inclined box, 23, a reinforcing end plate, 3, a material cutting mechanism, 31, a movable panel, 32, a bottom cutter, 33, an electric telescopic cylinder, 34, a mounting disc, 4, a movable cleaning mechanism, 41, a screw machine body, 42, a screw sliding block, 43, a screw motor, 44, a hollow sleeve, 45, a left-right movable telescopic cylinder, 46, a metal brush wire, 47, a metal spring, 48, a T-shaped movable rod, 5, a screening separating box, 51, a separating box shell, 52, a lower screening cavity, 53, an upper screening cavity, 54, an inclined screen plate, 6, an upper discharge hopper, 7, a screw feeder, 8, a lower discharge hopper, 9, a rotary separating mechanism, 91, a first coupling, 92, a rotary motor, 93, a beating blade plate, 94, an intermediate shaft rod and 95, a metal main rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Example 1

Referring to fig. 1-3, a screening device for high-strength spent fuel comprises a high-strength spent fuel workpiece 1, a feed collecting box 2 and a screening separating box 5, wherein the feed collecting box 2 is installed and connected at a left feed inlet of the upper end of the screening separating box 5, the high-strength spent fuel workpiece 1 is placed at the feed inlet of the feed collecting box 2, the high-strength spent fuel workpiece 1 can be added into the feed collecting box 2 through the feed collecting box 2, a material cutting mechanism 3 is fixedly arranged at the inner side of the upper end of the feed collecting box 2, the material cutting mechanism 3 can cut the high-strength spent fuel workpiece 1 discharged from the inside of the feed collecting box 2, an inherent rotary separating mechanism 9 is arranged at the inner side of the lower end of the feed collecting box 2, the rotary separating mechanism 9 can beat the cut high-strength spent fuel workpiece 1, a movable cleaning mechanism 4 is arranged at the inner top end of the screening separating box 5, the movable cleaning mechanism 4 can clean the inside of the separating box 5, thus the screening is avoided, a material is fixedly arranged at the upper end of the screening separating box 5, a screw is fixedly connected at the upper end of the screening box 6 and is fixedly arranged at the lower end of the screening box 5, and is fixedly arranged at the position of the screening box 7, and is fixedly arranged at the position of the screening machine, and is fixedly arranged at the lower end of the screening box 7, and is fixedly arranged at the screening machine, and is connected with a position of the screening machine, and is discharged at the material hopper 7;

The rotation separation mechanism 9 comprises a first coupler 91, a rotating motor 92, a beating blade 93, a middle shaft lever 94 and a metal main rod 95, wherein the rotating motor 92 is installed on the feeding collecting box 2 through screws, the output end of the rotating motor 92 is fixedly connected with the first coupler 91, the outer end of the first coupler 91 is fixedly connected with the middle shaft lever 94, the output end of the rotating motor 92 drives the first coupler 91 to rotate when rotating, the first coupler 91 drives the middle shaft lever 94 to rotate, the middle shaft lever 94 is sleeved on the feeding collecting box 2, the middle shaft lever 94 can be positioned and rotated, the metal main rod 95 is fixedly connected with the periphery of the middle shaft lever 94, the middle shaft lever 94 can drive the metal main rod 95 to rotate, the outer walls of two ends of the metal main rod 95 are fixedly connected with beating blade 93, the metal main rod 95 can drive the beating blade 93 to rotate, and the beating blade 93 can beat the high-strength spent fuel workpiece 1 falling after shearing in rotation, so that the separation is more efficient.

According to the utility model, the feeding collection box 2 comprises a vertical box body 21, a left inclined box 22 and a reinforcing end plate 23, wherein the left inclined box 22 is fixedly connected to the left side of the upper end of the vertical box body 21, the left inclined box 22 can discharge high-strength spent fuel workpieces 1 into the vertical box body 21, the reinforcing end plate 23 is fixedly connected to the inner side of the lower end of the vertical box body 21, the reinforcing end plate 23 can reinforce the inner wall of the vertical box body 21, so that the reinforcing protection effect is achieved, damage is avoided, the lower end of the vertical box body 21 is fixedly connected to the screening separation box 5, the screening separation box can be stably placed, the upper end of the vertical box body 21 is connected to the material cutting mechanism 3, and the material cutting mechanism 3 can cut in the vertical box body 21.

In the utility model, a material cutting mechanism 3 comprises a movable panel 31, a bottom cutter 32, an electric telescopic cylinder 33 and a mounting disc 34, wherein the mounting disc 34 is fixedly connected to the periphery of the electric telescopic cylinder 33, the electric telescopic cylinder 33 can be mounted on a feeding collecting box 2 through the mounting disc 34 so as to be stably placed, the lower end of a telescopic rod of the electric telescopic cylinder 33 is fixedly connected with the movable panel 31, the telescopic rod of the electric telescopic cylinder 33 can drive the movable panel 31 to move when in telescopic, the lower end of the movable panel 31 is fixedly connected with the bottom cutter 32, the movable panel 31 can drive the bottom cutter 32 to lift and accordingly cut, and the bottom cutter 32 is positioned on the outer side of a discharge port of a left inclined box 22 so as to cut a high-strength spent fuel workpiece 1 discharged by the left inclined box 22;

the electric telescopic cylinders 33 are installed in total, and the electric telescopic cylinders 33 are symmetrically installed on both sides of the upper end of the movable panel 31 so as to be correspondingly installed for use.

In the utility model, the feeding collecting box 2 and the screening separating box 5 are fixedly connected through welding, and the connection part of the feeding collecting box 2 and the screening separating box 5 is communicated, so that the feeding collecting box 2 and the screening separating box 5 can be fixedly installed, and the connection part is communicated, thereby facilitating the through conveying and use.

Example two

Referring to fig. 1, 4 and 5, in comparison with the first embodiment, the mobile cleaning mechanism 4 includes a screw body 41, a screw slider 42, a 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, an output end of the screw motor 43 is connected with an internal screw of the screw body 41 through a coupling, the screw slider 42 is rotatably mounted on a peripheral side screw of the screw body 41, the output end of the screw motor 43 can drive the internal screw of the screw body 41 to positively and negatively rotate when positively and negatively rotating, the screw slider 42 rotatably mounted on the peripheral side screw of the screw body 41 can move left and right when positively and negatively rotating, thereby cleaning by moving left and right, the telescopic cylinder 45 is mounted on a screw at a lower end of the screw slider 42, the screw rod sliding block 42 can drive the left-right moving telescopic cylinder 45 to move left and right, the lower end of a telescopic rod of the left-right moving telescopic cylinder 45 is fixedly connected with the hollow sleeve 44, the telescopic rod of the left-right moving telescopic cylinder 45 can drive the hollow sleeve 44 to move downwards when being extended, so that the height position can be changed for cleaning, the inner top end of the hollow sleeve 44 is fixedly connected with a metal spring 47, the lower end of the metal spring 47 penetrates through the hollow sleeve 44 to movably install a T-shaped movable rod 48, the T-shaped movable rod 48 can be elastically buffered due to the metal spring 47, so that an elastic buffering protection effect is achieved, the buffer cleaning can be carried out when the left-right moving telescopic rod moves left and right, the lower end of the T-shaped movable rod 48 is fixedly connected with a metal brush wire 46, so that the sweeping can be carried out, the screw rod body 41 and the screw rod motor 43 are fixedly connected on the screening separation box 5, so that the utility model can be stably placed and used.

Example III

Referring to fig. 1 and 4, in this embodiment, compared with the second embodiment, the screening separation box 5 includes a separation box housing 51, a lower screening cavity 52, an upper screening cavity 53 and an inclined screen plate 54, and the inclined screen plate 54 is obliquely fixed in the separation box housing 51, so that the screening can be performed obliquely, the upper screening cavity 53 is provided above the inside of the separation box housing 51 and the inclined screen plate 54, so that the unscreened material can be discharged, and the lower screening cavity 52 is provided below the inside of the separation box housing 51 and the inclined screen plate 54, so that the screened material can be discharged.

When the novel high-strength spent fuel screening machine is used, high-strength spent fuel workpieces 1 can be added into the feeding collecting box 2 through the feeding collecting box 2, a material cutting mechanism 3 is fixedly arranged on the inner side of the upper end of the feeding collecting box 2, the material cutting mechanism 3 can cut the high-strength spent fuel workpieces 1 discharged from the inner part of the feeding collecting box 2, the rotating separating mechanism 9 can flap the cut high-strength spent fuel workpieces 1, so that the high-strength spent fuel workpieces can be separated efficiently, and then can be screened efficiently when passing through the screening separating box 5, the movable cleaning mechanism 4 can clean the inner part of the screening separating box 5, so that the blocking during screening is avoided, the upper discharge hopper 6 can discharge materials which are not screened above the screening separating box 5, the screw feeder 7 is fixedly connected to the discharge port of the upper discharge hopper 6, and then the lower discharge hopper 8 is fixedly connected to the lower side of the right end of the screening separating box 5 through the screw feeder 7, so that the screened materials can be discharged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (7)

1. The utility model provides a screening plant for high strength spent fuel, includes high strength spent fuel work piece (1), feed collecting box (2) and screening separator box (5), feed collecting box (2) installation is connected in the upper end left side feed inlet department of screening separator box (5), feed collecting box (2) feed inlet department is provided with high strength spent fuel work piece (1), wherein, feed collecting box (2) upper end inboard is provided with material cutting mechanism (3), feed collecting box (2) lower extreme inboard is provided with rotation separating mechanism (9), screening separator box (5) inside top is provided with removal clearance mechanism (4), screening separator box (5) right-hand member upside is provided with row hopper (6), row hopper (8) are arranged in row hopper (6) discharge mouth department of going up row hopper (6), screening separator box (5) right-hand member downside is provided with down;

The rotary separation mechanism (9) comprises a first coupler (91), a rotating motor (92), a beating blade plate (93), a middle shaft lever (94) and a metal main lever (95), wherein the first coupler (91) is arranged at the output end of the rotating motor (92), the middle shaft lever (94) is arranged at the outer end of the first coupler (91), the metal main lever (95) is arranged at the periphery of the middle shaft lever (94), the beating blade plate (93) is arranged at the outer walls of the two ends of the metal main lever (95), and the middle shaft lever (94) is sleeved on the feeding collecting box (2).

2. The high-strength spent fuel screening device according to claim 1, wherein the feeding collection box (2) comprises a vertical box body (21), a left inclined box (22) and a reinforcing end plate (23), the left inclined box (22) is arranged on the left side of the upper end of the vertical box body (21), the reinforcing end plate (23) is arranged on the inner side of the lower end of the vertical box body (21), 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 spent fuel screening device according to claim 1, wherein 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 mounting disc (34) is arranged on the periphery of the electric telescopic cylinder (33), the movable panel (31) is arranged at the lower end of a telescopic rod of the electric telescopic cylinder (33), the bottom cutter (32) is arranged at the lower end of the movable panel (31), and the bottom cutter (32) is positioned on the outer side of a discharge opening of the left inclined box (22).

4. The high-strength spent fuel screening device according to claim 1, wherein the movable cleaning mechanism (4) comprises a screw body (41), a screw slider (42), a screw motor (43), a hollow sleeve (44), a left-right movable telescopic cylinder (45), a metal brush wire (46), a metal spring (47) and a T-shaped movable rod (48), the output end of the screw motor (43) is connected with an internal screw of the screw body (41) through a coupler, the screw slider (42) is rotationally arranged on the peripheral side of the internal screw of the screw body (41), the telescopic cylinder (45) is arranged at the lower end of the screw slider (42), the hollow sleeve (44) is arranged at the lower end of the telescopic rod of the left-right movable telescopic cylinder (45), the metal spring (47) is arranged at the inner top end of the hollow sleeve (44), the lower end of the metal spring (47) penetrates through the hollow sleeve (44) and is provided with the T-shaped movable rod (48), the metal brush wire (46) is arranged at the lower end of the T-shaped movable rod (48), and the motor (41) is fixedly connected with the screw body (5) in a separation mode.

5. The high-strength spent fuel screening plant according to claim 3, wherein two electric telescopic cylinders (33) are provided, and the electric telescopic cylinders (33) are symmetrically arranged on both sides of the upper end of the movable panel (31).

6. The high-strength spent fuel screening device according to claim 1, wherein the feeding collecting box (2) and the screening separating box (5) are fixedly connected through welding, and the joint of the feeding collecting box (2) and the screening separating box (5) is communicated.

7. The high-strength spent fuel screening plant according to claim 6, wherein the screening separation box (5) comprises a separation box shell (51), a lower screening cavity (52), an upper screening cavity (53) and an inclined screen plate (54), the inclined screen plate (54) is obliquely arranged in the separation box shell (51), the upper screening cavity (53) is arranged above the inside of the separation box shell (51) and the inclined screen plate (54), and the lower screening cavity (52) is arranged below the inside of the separation box shell (51) and the inside of the inclined screen plate (54).