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CN-121971667-A - Cobalt 60 irradiation high-efficiency sterilization equipment

CN121971667ACN 121971667 ACN121971667 ACN 121971667ACN-121971667-A

Abstract

The invention discloses cobalt 60 irradiation high-efficiency sterilization equipment, which belongs to the field of irradiation sterilization and comprises a box body and a box door arranged on one side of the box body, wherein cobalt 60 irradiation devices are fixedly arranged on the inner top wall and the inner side wall of the box body, a motor is fixedly connected to the bottom of the box body through a supporting frame, a reciprocating screw rod is fixedly arranged at the output end of the motor, a fixed cylinder is fixedly arranged on the inner bottom wall of the box body, a lifting rod is slidably arranged in the fixed cylinder through a sliding assembly, one end of the reciprocating screw rod, which is far away from the motor, penetrates into the lifting rod, the cobalt 60 irradiation devices are arranged on the inner top wall and the inner side wall of the box body, so that cobalt 60 gamma rays irradiate an article to be irradiated on a placing plate, and the lifting and rotating movement of the placing plate are matched, so that each part of the article on the placing plate can uniformly receive radiation, the problem of insufficient or overhigh local irradiation dose is effectively avoided, and the sterilization efficiency and sterilization effect are greatly improved.

Inventors

  • PENG NAIWEI
  • An Chaojie
  • SONG GE
  • GAO YI

Assignees

  • 郑州宏源生物工程有限公司

Dates

Publication Date
20260505
Application Date
20260324

Claims (6)

  1. 1. The cobalt 60 irradiation high-efficiency sterilization equipment comprises a box body (1) and a box door arranged on one side of the box body (1), and is characterized in that cobalt 60 irradiation devices (3) are fixedly arranged on the inner top wall and the inner side wall of the box body (1), a motor (4) is fixedly connected to the bottom of the box body (1) through a supporting frame, a reciprocating screw rod (5) is fixedly arranged at the output end of the motor (4), a fixed cylinder (6) is fixedly arranged on the inner bottom wall of the box body (1), a lifting rod (8) is slidably arranged in the fixed cylinder (6) through a sliding component (7), one end, far away from the motor (4), of the reciprocating screw rod (5) penetrates into the lifting rod (8), lifting blocks (9) are arranged on the outer surface of the reciprocating screw rod (5), bidirectional spiral grooves are formed in the outer surface of the reciprocating screw rod (5), embedded protrusions (or sliding block structures, which are adapted to the spiral grooves, are arranged at the positions, where the lifting blocks (9) are connected with the reciprocating screw rod (5), are rotatably connected with the top of the lifting rod (8), a lifting plate (10), and the reciprocating screw rod (11) are arranged on the rotating component.
  2. 2. The efficient cobalt 60 irradiation sterilization device according to claim 1, wherein the rotating assembly (11) comprises a first gear (111), a second gear (112), a third gear (113), a fourth gear (114), a rotating rod (115) and a telescopic rod (116), wherein a fixed sleeve of the first gear (111) is arranged on the outer surface of the reciprocating screw rod (5), the rotating rod (115) is rotationally connected with the box body (1), the second gear (112) and the third gear (113) are fixedly sleeved at the upper end and the lower end of the rotating rod (115), the fourth gear (114) is rotationally sleeved on the outer surface of the fixed cylinder (6), the first gear (111) is in meshed connection with the second gear (112), the third gear (113) is in meshed connection with the fourth gear (114), the telescopic rod (116) is fixedly arranged on the upper surface of the fourth gear (114), and a vertically upward telescopic end of the telescopic rod (116) is fixedly connected with the placing plate (10).
  3. 3. The cobalt 60 irradiation high-efficiency sterilization equipment according to claim 2, wherein shielding layers are arranged on the inner walls of the box body (1) and the box door, a partition plate (13) is fixedly arranged below the placing plate (10) on the inner wall of the box body (1), a lower sleeve (14) is fixedly arranged on the inner bottom wall of the box body (1), an upper sleeve (15) matched with the lower sleeve (14) is fixedly arranged at the bottom of the placing plate (10), a penetrating groove matched with the upper sleeve (15) is formed in the partition plate (13), and a through groove for the lifting rod (8) and the telescopic rod (116) to penetrate is formed in the partition plate (13), and a reciprocating screw rod (5), a fixed cylinder (6), a sliding assembly (7), the lifting rod (8), a lifting block (9), a third gear (113), a fourth gear (114), a rotating rod (115) and the telescopic rod (116) are all arranged in the lower sleeve (14).
  4. 4. The efficient cobalt 60 irradiation sterilization equipment according to claim 1, wherein the cobalt 60 irradiation device (3) comprises a cobalt 60 gamma source and a source lead-coated shell, the cobalt 60 gamma source is arranged in the source lead-coated shell, a cobalt 60 gamma ray irradiation surface is arranged at the bottom of the source lead-coated shell at the inner top wall of the box body (1), a cobalt 60 gamma ray irradiation surface is arranged at one side, facing the inside of the box body (1), of the source lead-coated shell at the inner side wall of the box body (1), and all irradiation surfaces are arranged towards the direction of the placing plate (10).
  5. 5. The efficient cobalt 60 irradiation sterilization equipment according to claim 2, wherein the sliding assembly (7) comprises a sliding block (71), the sliding block (71) is fixedly connected with the lifting rod (8), and a sliding groove (72) matched with the sliding block (71) is formed in the inner side wall of the fixed cylinder (6).
  6. 6. A cobalt 60 irradiation high efficiency sterilization apparatus according to claim 3, wherein the shielding layer, the partition plate (13), the lower sleeve (14) and the upper sleeve (15) are made of lead.

Description

Cobalt 60 irradiation high-efficiency sterilization equipment Technical Field The invention belongs to the technical field of irradiation sterilization, and particularly relates to cobalt 60 irradiation efficient sterilization equipment. Background Compared with the traditional heat sterilization, chemical sterilization and other technologies, the cobalt 60 gamma ray sterilization technology has the remarkable advantages of high sterilization speed, wide sterilization spectrum, no chemical residue, no damage to the original physical and chemical properties of the articles, capability of being carried out at normal temperature and the like, does not need any sterilization agent and no harmful byproducts, and is widely applied to sterilization treatment of a plurality of industries such as food, medical treatment, packaging and the like; The invention of the prior publication number CN108538423B discloses an irradiation device adopting cobalt 60 gamma rays for irradiation, which comprises a box body, wherein the middle part of the inner wall of the box body is provided with the cobalt 60 irradiation device, and the top and the bottom of the inner wall of the box body are respectively and fixedly provided with a first object placing plate and a second object placing plate which are parallel to each other; In the technical scheme, the inventor finds that at least the problems that the first object placing plate and the second object placing plate are fixedly arranged on the inner wall of the box body, and the fixed arrangement can cause the problem that the irradiation uniformity of objects placed on the object placing plates is poor, on one hand, the objects are mutually stacked and are easy to be shielded, on the other hand, the objects with irregular shapes can form shielding, and further, the local irradiation dose of the objects is insufficient, the local dose is too high, and the situation that sterilization is incomplete can occur is caused, so the cobalt 60 irradiation efficient sterilization equipment is provided. Disclosure of Invention The invention aims to provide efficient sterilization equipment for cobalt 60 irradiation, so as to solve the problems in the background technology. The technical scheme is that the efficient cobalt 60 irradiation sterilization device comprises a box body and a box door arranged on one side of the box body, wherein cobalt 60 irradiation devices are fixedly arranged on the inner top wall and the inner side wall of the box body, a motor is fixedly connected to the bottom of the box body through a supporting frame, a reciprocating screw rod is fixedly arranged at the output end of the motor, a fixed cylinder is fixedly arranged on the inner bottom wall of the box body, a lifting rod is slidably arranged in the fixed cylinder through a sliding component, one end, far away from the motor, of the reciprocating screw rod penetrates into the lifting rod, a lifting block is arranged on the outer surface of the reciprocating screw rod, a bidirectional spiral groove is formed on the outer surface of the reciprocating screw rod, an embedded protrusion (or sliding block) structure which is matched with the spiral groove is arranged at the connecting position of the lifting block and the reciprocating screw rod, a placing plate is rotatably connected to the top of the lifting rod, and a rotating component is arranged on the reciprocating screw rod. Through the technical scheme, the cobalt 60 irradiation device is arranged on the inner top wall and the side wall of the box body, so that cobalt 60 gamma rays irradiate the articles to be irradiated on the placing plate, and the lifting and rotating movement of the placing plate are matched, so that each part of the articles on the placing plate can uniformly receive radiation irradiation, the problem that the local irradiation dose is insufficient or too high is effectively avoided, and the sterilization efficiency and the sterilization effect are greatly improved. As preferred implementation mode, rotating assembly includes first gear, second gear, third gear, fourth gear, dwang and telescopic link, first gear fixed sleeve sets up on reciprocating screw rod surface, the dwang rotates with the box and is connected, both ends about the dwang are located to second gear and third gear fixed sleeve, the fourth gear rotates the cover and locates on the fixed section of thick bamboo surface, first gear and second gear meshing are connected, third gear and fourth gear meshing are connected, telescopic link fixed mounting is in fourth gear upper surface, the vertical ascending flexible end of telescopic link is with place board fixed connection. Through above-mentioned technical scheme, when using, reciprocating screw can drive first gear rotation, and first gear can drive second gear and dwang rotation, and the dwang can drive the third gear rotation, and the third gear can drive the telescopic link rotation on fourth gear and the fourth gear