Automatic batching and mixing device for radioactive waste solidification treatment

Abstract

According to the automatic batching and mixing device for radioactive waste solidification treatment, a screen is installed on the front face of a working main cabinet, and the position numbers and the grabbing times of all materials can be input in advance. The working main cabinet is connected with the upper cover through a first hinge and a second hinge, a switch is installed on the right side of the working main cabinet, a conveying structure is fixed to the lower portion in the working main cabinet and can enable the feeding structure and the material disc structure to move left and right, and a first support and a second support are fixed to the upper portion and the right side in the working main cabinet respectively. The telescopic structure is connected with the first support and the second support in a fastened mode, the lower end of the telescopic structure is connected with the grabbing structure in a fastened mode, so that the grabbing structure moves up and down, and materials such as radioactive nuclear waste, solidified base materials and additives are grabbed through the grabbing structure. According to the device, on the premise that workers do not make contact with the radioactive waste, materials such as the radioactive nuclear waste are quantitatively grabbed and mixed and solidified, so that the nuclear radiation function is reduced, and the harm of radiation to the workers is reduced.

Description

Technical Field

[0001] This invention relates to the field of radioactive waste treatment technology, and in particular to an automatic batching and mixing device for radioactive waste solidification treatment. Background Technology

[0002] Radioactive waste solidification refers to a key nuclear environmental protection technology that mixes radioactive waste with solidification substrates (such as cement), additives, and other materials to form a stable solidified body, thereby achieving long-term safe isolation. With the increase in the operation and decommissioning of nuclear facilities, and the increasingly stringent safety and environmental standards, higher demands are being placed on the automation and reliability of the treatment process.

[0003] Currently, most solidification pretreatment processes rely on manual operation within shielded cabinets or simple mechanical assistance, posing high risks of personnel irradiation and poor consistency in mixing ratios. Existing equipment struggles to automatically and accurately handle and premix complex formulations of radioactive waste, solidification substrates, and additives. Therefore, as treatment standards evolve towards safer, more precise, and more remotely automated processes, existing technologies are no longer sufficient to meet the demands. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an automatic batching and mixing device for radioactive waste solidification treatment. The device mainly includes a main work cabinet, a screen, hinge one, hinge two, a top cover, a switch, a conveying structure, a feeding structure, a material tray structure, a support one, a telescopic structure, a support two, and a gripping structure. A screen is installed on the front of the main work cabinet, allowing pre-input of the location number of each material and the number of grips. The main work cabinet is connected to the top cover via hinge one and hinge two. A switch is installed on the right side of the main work cabinet. A conveying structure is fixed inside the lower part of the main work cabinet, allowing the feeding structure and material tray structure to move left and right. Support one and support two are fixed inside the upper part and right side of the main work cabinet, respectively. The telescopic structure is securely connected to support one and support two, and the lower end of the telescopic structure is securely connected to the gripping structure, allowing the gripping structure to move up and down. The gripping structure grips materials such as radioactive nuclear waste, solidification substrates, and additives.

[0005] The present invention achieves the above-mentioned technical objectives through the following technical means.

[0006] An automatic batching and mixing device for radioactive waste solidification treatment is characterized by comprising a main working cabinet, a screen, hinge one, hinge two, a top cover, a switch, a conveying structure, a feeding structure, a material tray structure, a support one, a telescopic structure, a support two, and a gripping structure; the screen is installed at the front end of the main working cabinet; the left end of the main working cabinet is fastened to hinge one and hinge two; the top end of the main working cabinet is installed with a top cover, which is fastened to hinge one and hinge two; a switch is installed at the right end of the main working cabinet; a conveying structure is fixedly located inside the lower part of the main working cabinet, and the conveying structure is connected to the feeding structure and the material tray structure via lead screw one and lead screw two; support one and support two are fixedly connected to the upper and right sides of the inside of the main working cabinet, respectively, and support one and support two are fastened to the telescopic structure; the lower end of the telescopic structure is fastened to the gripping structure.

[0007] Furthermore, the conveying structure enables the left and right movement of the feeding structure and the material tray structure through lead screw one and lead screw two; the telescopic structure enables the up and down movement of the gripping structure; the gripping structure grips materials such as radioactive nuclear waste, solidified substrate, and additives in the feeding structure and then puts them into the material tray structure.

[0008] Furthermore, the conveying structure includes a first stepper motor mounting base, a second stepper motor mounting base, a first stepper motor, a second stepper motor, a first coupling, a second coupling, a first lead screw, a second lead screw, a first bearing, a second bearing, a first bearing bracket, and a second bearing bracket. The first and second stepper motor mounting bases are fixedly connected to the main work cabinet. The first and second stepper motors are respectively fixedly connected to the first and second stepper motor mounting bases. The first and second couplings are respectively interference-fitted to the first and second stepper motors. The first and second lead screws are respectively interference-fitted to the first and second couplings. The first and second bearings are respectively interference-fitted to the first and second lead screws. The first and second bearings are respectively mounted on the first and second bearing brackets. The first and second bearing brackets are fixedly connected to the main work cabinet.

[0009] Furthermore, the feeding structure includes a base, a third stepper motor mounting bracket, a third stepper motor, and a turntable; the base is connected to the first and second lead screws by threads, the third stepper motor mounting bracket is fixedly installed on the base, the third stepper motor is fixedly installed inside the third stepper motor mounting bracket, and the turntable is inserted into the motor shaft of the third stepper motor.

[0010] Furthermore, the material tray structure includes a waste tray base and a waste tray; the waste tray base is connected to lead screw one and lead screw two by threads, and the waste tray is installed in the groove of the waste tray base.

[0011] Furthermore, the telescopic structure includes a stepper motor mounting base four, a stepper motor four, a connecting rod one, a connecting rod two, a connecting rod three, and a slide rail; the stepper motor mounting base four is fixedly connected to the bracket one, the stepper motor four is fixedly installed in the stepper motor mounting base four, the connecting rod one is interference-fitted to the stepper motor four, the connecting rod two is connected to the connecting rod one via a hinge, the connecting rod three is connected to the connecting rod two via a hinge, the connecting rod three is installed in the slide rail, and the slide rail is fixedly connected to the bracket two.

[0012] Furthermore, the gripping structure includes a servo motor, a gear, a rack, a mounting bracket, connecting rod four, connecting rod five, connecting rod six, connecting rod seven, gripper one, gripper two, gripper three, and gripper four; the servo motor and the gear are interference-fitted, the servo motor is fixedly connected to the mounting bracket, the gear and the rack are meshed, the rack is installed inside the mounting bracket, the mounting bracket is fixedly connected to connecting rod three, the rack is connected to connecting rod four, connecting rod five, connecting rod six, and connecting rod seven via hinges, and the mounting bracket is connected to gripper one, gripper two, gripper three, and gripper four via hinges.

[0013] The beneficial effects of this invention are as follows: This invention provides an automatic batching and mixing device for the solidification treatment of radioactive waste. A screen is installed on the front of the main working cabinet, allowing for pre-input of the location number of each material and the number of times it can be grasped. The main working cabinet is connected to the top cover via hinge one and hinge two. A switch is installed on the right side of the main working cabinet. A conveying structure is fixed inside the lower part of the main working cabinet. The conveying structure is threadedly connected to the feeding structure and the material tray structure via lead screw one and lead screw two, allowing the feeding structure and the material tray structure to move left and right. The turntable of the feeding structure has four sections for storing materials such as radioactive nuclear waste, solidification substrate, and additives. The waste tray in the material tray structure holds the mixed and solidified waste. Support one and support two are fixed inside the upper part and the right side of the main working cabinet, respectively. A telescopic structure is securely connected to support one and support two. The lower end of the telescopic structure is securely connected to the grasping structure, allowing the grasping structure to move up and down, thereby grasping materials such as radioactive nuclear waste, solidification substrate, and additives.

[0014] In summary, this patent enables the quantitative capture and solidification of radioactive nuclear waste, solidified substrates, additives, and other materials without human contact with the radioactive waste, thereby reducing nuclear radiation, saving labor costs, and reducing the harm of radiation to humans. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall invention.

[0016] Figure 2 This is a partial sectional view of the installation positions of bracket 1 and bracket 2 inside the main cabinet of the present invention.

[0017] Figure 3This is a schematic diagram of the conveying structure of the present invention.

[0018] Figure 4 This is a schematic diagram of the feeding structure of the present invention.

[0019] Figure 5 This is a schematic diagram of the material tray structure of the present invention.

[0020] Figure 6 The telescopic structure of this invention and the installation diagram of bracket one and bracket two are shown.

[0021] Figure 7 This is a schematic diagram of the grasping structure of the present invention.

[0022] Numbered in the diagram: 1. Main work cabinet; 2. Screen; 3. Hinge 1; 4. Hinge 2; 5. Top cover; 6. Switch; 7. Conveying structure; 71. Stepper motor mount 1; 72. Stepper motor mount 2; 73. Stepper motor 1; 74. Stepper motor 2; 75. Coupling 1; 76. Coupling 2; 77. Lead screw 1; 78. Lead screw 2; 79. Bearing 1; 710. Bearing 2; 711. Bearing bracket 1; 712. Bearing bracket 2; 8. Feeding structure; 81. Base; 82. Stepper motor mount 3; 83. Stepper motor 3; 84. Turntable; 9. Material tray Structure; 91. Waste tray base; 92. Waste tray; 10. Bracket 1; 11. Telescopic structure; 111. Stepper motor mounting base 4; 112. Stepper motor 4; 113. Link 1; 114. Link 2; 115. Link 3; 116. Slide rail; 12. Bracket 2; 13. Gripping structure; 131. Servo motor; 132. Gear; 133. Rack; 134. Mounting bracket; 135. Link 4; 136. Link 5; 137. Link 6; 138. Link 7; 139. Gripper 1; 1310. Gripper 2; 1311. Gripper 3; 1312. Gripper 4. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the scope of protection of the present invention is not limited thereto.

[0024] like Figure 1-7As shown, an automatic batching and mixing device for radioactive waste solidification treatment includes a main working cabinet 1, a screen 2, hinge one 3, hinge two 4, a top cover 5, a switch 6, a conveying structure 7, a feeding structure 8, a material tray structure 9, a support one 10, a telescopic structure 11, a support two 12, and a gripping structure 13. The screen 2 is installed at the front end of the main working cabinet 1. The left end of the main working cabinet 1 is fastened to hinge one 3 and hinge two 4. The top end of the main working cabinet 1 is installed with the top cover 5, which is connected to the hinges 1 and 2. Page 1 (3) and hinge 2 (4) are fastened together. A switch 6 is installed on the right end of the main working cabinet 1. A conveying structure 7 is fixed inside the lower part of the main working cabinet 1. The conveying structure 7 is connected to the feeding structure 8 and the material tray structure 9 through lead screw 1 (77) and lead screw 2 (78). A bracket 1 (10) and a bracket 2 (12) are fixedly connected to the upper part and the right side of the inside of the main working cabinet 1, respectively. The bracket 1 (10) and bracket 2 (12) are fastened together with the telescopic structure 11. The lower end of the telescopic structure 11 is fastened together with the gripping structure 13.

[0025] Optionally, the conveying structure 7 realizes the left and right movement of the feeding structure 8 and the material tray structure 9 through lead screw 1 77 and lead screw 2 78; the telescopic structure 11 realizes the up and down movement of the gripping structure 13; the gripping structure 13 grips the radioactive nuclear waste, solidified substrate, additives and other materials in the feeding structure 8 and then puts them into the material tray structure 9.

[0026] Optionally, the conveying structure 7 includes a first stepper motor mounting base 71, a second stepper motor mounting base 72, a first stepper motor 73, a second stepper motor 74, a first coupling 75, a second coupling 76, a first lead screw 77, a second lead screw 78, a first bearing 79, a second bearing 710, a first bearing bracket 711, and a second bearing bracket 712; the first stepper motor mounting base 71 and the second stepper motor mounting base 72 are fixedly connected to the main work cabinet 1, and the first stepper motor 73 and the second stepper motor 74 are respectively connected to the first stepper motor mounting base 71 and the second stepper motor mounting base 72. The couplings 75 and 76 are fixedly connected, with interference fits between the first and second stepper motors 73 and 74, respectively. The lead screws 77 and 78 are interference fits between the first and second couplings 75 and 76, respectively. The bearings 79 and 710 are interference fits between the first and second lead screws 77 and 78, respectively. The bearings 79 and 710 are mounted on the bearing brackets 711 and 712, respectively. The bearing brackets 711 and 712 are fixedly connected to the main work cabinet 1.

[0027] Optionally, the feeding structure 8 includes a base 81, a stepper motor mounting bracket 82, a stepper motor 83, and a turntable 84; the base 81 is connected to lead screw 77 and lead screw 78 by threads, the stepper motor mounting bracket 82 is fixedly installed on the base 81, the stepper motor 83 is fixedly installed inside the stepper motor mounting bracket 82, and the turntable 84 is inserted into the motor shaft of the stepper motor 83.

[0028] Optionally, the material tray structure 9 includes a waste tray base 91 and a waste tray 92; the waste tray base 91 is connected to lead screw 77 and lead screw 78 by threads, and the waste tray 92 is installed in the groove of the waste tray base.

[0029] Optionally, the telescopic structure 11 includes a stepper motor mounting base 111, a stepper motor 112, a connecting rod 113, a connecting rod 114, a connecting rod 115, and a slide rail 116. The stepper motor mounting base 111 is fixedly connected to the bracket 10. The stepper motor 112 is fixedly installed in the stepper motor mounting base 111. The connecting rod 113 is interference-fitted with the stepper motor 112. The connecting rod 114 is hinged to the connecting rod 113. The connecting rod 115 is hinged to the connecting rod 114. The connecting rod 115 is installed in the slide rail 116. The slide rail 116 is fixedly connected to the bracket 12.

[0030] Optionally, the gripping structure 13 includes a servo motor 131, a gear 132, a rack 133, a mounting bracket 134, a fourth link 135, a fifth link 136, a sixth link 137, a seventh link 138, a first gripper 139, a second gripper 140, a third gripper 141, and a fourth gripper 142; the servo motor 131 and the gear 132 are interference-fitted, the servo motor 131 is fixedly connected to the mounting bracket 134, and the gear 135... 32 is engaged with rack 133, rack 133 is installed inside mounting bracket 134, mounting bracket 134 is fixedly connected to connecting rod three 115, rack 133 is connected to connecting rod four 135, connecting rod five 136, connecting rod six 137, and connecting rod seven 138 by hinges, and mounting bracket 134 is connected to gripper one 139, gripper two 1310, gripper three 1311, and gripper four 1312 by hinges.

[0031] The working process of this invention is as follows:

[0032] Turn on switch 6, wait for screen 2 to light up, then enter the location number of each material and the number of times it will be picked up on screen 2. Open the top cover 5, insert the turntable 84 containing radioactive nuclear waste, solidified substrate, additives, and other materials into the motor shaft of stepper motor 83, close the top cover 5, and remotely start the device. Stepper motor 73 and stepper motor 74 will drive coupling 75 and coupling 76 respectively, which in turn will drive lead screw 77 and lead screw 78 respectively. The feeding structure 8 is driven to reach below the gripping structure 13. The telescopic structure 11 drives the first link 113 via the stepper motor 4 112. The first link 113 drives the second link 114 to move. The second link 114 drives the third link 115 to move within the slide rail 116. The gripping structure 13, connected to the third link 115, reaches above the material in the turntable 84. Then, the servo motor 131 in the gripping structure 13 drives the gear 132 to rotate. The gear 132 drives the rack 133 to move downward, thereby driving the fourth link 135 and the fifth link 13. 6. The movement of connecting rods 6 (137) and 7 (138), along with the movement of connecting rods 4 (135), 5 (136), 6 (137), and 7 (138), causes grippers 1 (139), 2 (1310), 1 (1311), and 1 (1312) to open. The servo motor 131 reverses to grip the material. Stepper motor 4 (112) reverses to move the gripping structure 13 upwards. Stepper motors 1 (73) and 2 (74) reverse to move the material tray structure 9 below the gripping structure 13. Then, the servo motor 131 rotates, causing gripper 1 (139) to open. 39. Grippers 1310, 1311, and 1312 open, and the material falls into the waste tray 92. After the gripping and placement of one type of material is completed, stepper motor 83 rotates 90°, driving turntable 84 to rotate the next type of material to below gripping structure 13. After the gripping and placement of all materials is completed, stepper motor 73 and stepper motor 74 rotate, causing the material tray structure 9 to move to below the opening of the main work cabinet 1, waiting for the nuclear waste to solidify before proceeding with other subsequent work.

[0033] The embodiments described are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Any obvious improvements, substitutions or modifications that can be made by those skilled in the art without departing from the essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. An automatic batching and mixing device for the solidification treatment of radioactive waste, characterized in that, Includes main cabinet (1), screen (2), hinge one (3), hinge two (4), top cover (5), switch (6), conveying structure (7), feeding structure (8), material tray structure (9), bracket one (10), telescopic structure (11), bracket two (12), gripping structure (13). The front end of the main work cabinet (1) is equipped with a screen (2), the left end of the main work cabinet (1) is fastened to hinge one (3) and hinge two (4), the top end of the main work cabinet (1) is equipped with a cover (5), the cover (5) is fastened to hinge one (3) and hinge two (4), and the right end of the main work cabinet (1) is equipped with a switch (6). The main work cabinet (1) has a conveying structure (7) fixed inside the lower part. The conveying structure (7) is connected to the feeding structure (8) and the material tray structure (9) through lead screw one (77) and lead screw two (78). The upper and right sides of the inside of the main work cabinet (1) are respectively fixedly connected to bracket one (10) and bracket two (12). The bracket one (10) and bracket two (12) are fastened to the telescopic structure (11), and the lower end of the telescopic structure (11) is fastened to the gripping structure (13).

2. The automatic batching and mixing device for radioactive waste solidification treatment according to claim 1, characterized in that, The conveying structure (7) realizes the left and right movement of the feeding structure (8) and the material tray structure (9) through the first lead screw (77) and the second lead screw (78); the telescopic structure (11) realizes the up and down movement of the gripping structure (13); the gripping structure (13) grips the radioactive nuclear waste, solidified substrate, additives and other materials in the feeding structure (8) and then puts them into the material tray structure (9).

3. The automatic batching and mixing device for radioactive waste solidification treatment according to claim 1, characterized in that, The conveying structure (7) includes a stepper motor mounting base one (71), a stepper motor mounting base two (72), a stepper motor one (73), a stepper motor two (74), a coupling one (75), a coupling two (76), a lead screw one (77), a lead screw two (78), a bearing one (79), a bearing two (710), a bearing bracket one (711), and a bearing bracket two (712); the stepper motor mounting base one (71) and the stepper motor mounting base two (72) are fixedly connected to the main work cabinet (1), and the stepper motor one (73) and the stepper motor two (74) are respectively fixed to the stepper motor mounting base one (71) and the stepper motor mounting base two (72). The couplings 1 (75) and 2 (76) are respectively interference-fitted with the stepper motor 1 (73) and 2 (74). The lead screws 1 (77) and 2 (78) are respectively interference-fitted with the couplings 1 (75) and 2 (76). The bearings 1 (79) and 2 (710) are respectively interference-fitted with the lead screws 1 (77) and 2 (78). The bearings 1 (79) and 2 (710) are respectively mounted on the bearing brackets 1 (711) and 2 (712). The bearing brackets 1 (711) and 2 (712) are fixedly connected to the main work cabinet (1).

4. An automatic batching and mixing device for solidification treatment of radioactive waste according to claim 1, characterized in that, The feeding structure (8) includes a base (81), a stepper motor mounting base three (82), a stepper motor three (83), and a turntable (84); the base (81) is connected to lead screw one (77) and lead screw two (78) by threads, the stepper motor mounting base three (82) is fixedly installed on the base (81), the stepper motor three (83) is fixedly installed inside the stepper motor mounting base three (82), and the turntable (84) is inserted into the motor shaft of the stepper motor three (83).

5. An automatic batching and mixing device for radioactive waste solidification treatment according to claim 1, characterized in that, The material tray structure (9) includes a waste tray base (91) and a waste tray (92); the waste tray base (91) is connected to lead screw one (77) and lead screw two (78) by threads, and the waste tray (92) is installed in the groove of the waste tray base (91).

6. An automatic batching and mixing device for solidification treatment of radioactive waste according to claim 1, characterized in that, The telescopic structure (11) includes a stepper motor mounting base four (111), a stepper motor four (112), a connecting rod one (113), a connecting rod two (114), a connecting rod three (115), and a slide rail (116). The stepper motor mounting base four (111) is fixedly connected to the bracket one (10). The stepper motor four (112) is fixedly installed in the stepper motor mounting base four (111). The connecting rod one (113) is interference-fitted with the stepper motor four (112). The connecting rod two (114) is connected to the connecting rod one (113) by a hinge. The connecting rod three (115) is connected to the connecting rod two (114) by a hinge. The connecting rod three (115) is installed in the slide rail (116). The slide rail (116) is fixedly connected to the bracket two (12).

7. An automatic batching and mixing device for radioactive waste solidification treatment according to claim 1, characterized in that, The gripping structure (13) includes a servo motor (131), a gear (132), a rack (133), a mounting bracket (134), a fourth link (135), a fifth link (136), a sixth link (137), a seventh link (138), a first gripper (139), a second gripper (140), a third gripper (141), and a fourth gripper (142); the servo motor (131) and the gear (132) are interference-fitted, the servo motor (131) and the mounting bracket (134) are fixedly connected, and the gear (135) and the rack (136) are fixedly connected. 32) Engages with rack (133), rack (133) is installed inside mounting bracket (134), mounting bracket (134) is fixedly connected to connecting rod three (115), rack (133) is connected to connecting rod four (135), connecting rod five (136), connecting rod six (137), connecting rod seven (138) by hinges, mounting bracket (134) is connected to gripper one (139), gripper two (1310), gripper three (1311), gripper four (1312) by hinges.

Images