Sterilization device for bottle preforms

Abstract

The invention discloses a sterilization device for bottle preforms. The sterilization device comprises a sterilizing agent treatment unit and multiple spray nozzles which are installed on a sterilization star-wheel plate and rotate along with the sterilization star-wheel plate, an air outlet end and an air inlet end of a sterilization steam distributor are respectively connected with the sterilizing agent treatment unit and the spray nozzles through conveying pipes, the spray nozzles are located over the bottle preforms grabbed by the sterilization star-wheel plate and can spray vaporized sterilizing agents into the bottle preforms, a recovery cover capable of covering the spray nozzles is arranged on the periphery of the sterilization star-wheel plate, an air outlet in the top of the recovery cover is communicated with a sterilizing agent recovery unit through a recovery pipe. The sterilization cost is low, the sterilization effect is good, and the sterilization device does not corrode a heating machine or other devices in the sterilization process.

Description

technical field [0001] The invention relates to a bottle embryo hydrogen peroxide sterilizing device. Background technique [0002] In the process of producing aseptic bottles by the blowing method, the preforms need to be sterilized. The existing sterilization methods mainly include the following two types: [0003] 1. Spray bactericide through the sterilizing unit (such as: hydrogen peroxide (H 2 o 2 ) chemical solution) to completely cover the inner wall of the bottle to completely sterilize the inside of the bottle. Sterilization, and such a sterilization method will lead to higher sterilization costs; [0004] 2. The sterilization treatment unit sprays the vaporized "cold" fungicide flow on the inner wall of the preform along the axis of the nozzle through the nozzle in the spray device, and then heats the preform through the heating machine. The fungicide evaporates under the action of heat. Pre-activation plays the role of sterilizing the inner wall of the preform...

AI Technical Summary

Problems solved by technology

[0003] 1. Spray bactericide through the sterilizing unit (such as: hydrogen peroxide (H 2 o 2 ) chemical solution) to completely cover the inner wall of the bottle to completely sterilize the inside of the bottle. Sterilization, and such a sterilization method will lead to higher sterilization costs;

[0004] 2. The sterilization treatment unit sprays the vaporized "cold" fungicide flow on the inner wall of the preform along the axis of the nozzle through the nozzle in the spray device, and then heats the preform through the heating machine. The fungicide evaporates under the action of heat. Pre-activation plays the role of sterilizing the inner wall of the preform and the mouth of the preform. The defect of this method is: A. The bactericide has a corrosive effect, and there is no recovery device to recycle it. The evaporated bactericide diffuses into the air and will affect the surrounding environment. Carbon steel components (such as heating machines and other equipment) cause corrosion, which affects the performance and service life of these carbon steel components; B. The nozzle in the spray device cannot move up and down, and the preform mouth is not covered, resulting in poor sterilization effect

Images