CN-116017830-B - Plasma sterilization cavity for cheese filling process

CN116017830BCN 116017830 BCN116017830 BCN 116017830BCN-116017830-B

Abstract

The invention discloses a plasma sterilization cavity for a cheese filling process, which comprises a sterilization cavity body, a plasma generator and a cheese filling assembly line, wherein the plasma generator is positioned in the sterilization cavity body, the cheese filling assembly line passes through the sterilization cavity body, and the plasma generator is positioned above the cheese filling assembly line. The sterilization cavity body comprises a left cavity, a middle cavity and a right cavity which are communicated with each other. The plasma generator is provided with the collecting cavities at two sides, and scraps generated by the discharge module can be collected in the collecting cavities.

Inventors

LIU DONGPING
WANG YIMING

Assignees

大连赛纳科技有限公司

Dates

Publication Date: 20260512
Application Date: 20230131

Claims (9)

1. The plasma sterilization cavity for the cheese filling process is characterized by comprising a sterilization cavity body, a plasma generator and a cheese filling assembly line, wherein the plasma generator is positioned in the sterilization cavity body, the cheese filling process assembly line passes through the sterilization cavity body, and the plasma generator is positioned above the cheese filling assembly line; The plasma generator comprises a plasma generator protective cover, a discharge module support piece, an insulating piece, a fan, a plasma guide plate, a wind shield and a collecting cavity, wherein the plasma generator protective cover is provided with an air inlet and an air outlet, the air inlet is positioned at the top of the plasma generator protective cover, the air outlet is positioned at the bottom of the plasma generator protective cover, the discharge module support piece, the fan, the plasma guide plate, the wind shield and the collecting cavity are positioned in the plasma generator protective cover, the discharge module is positioned between the fan and the plasma guide plate, the fan is close to the air inlet, the wind direction is from outside to inside, the discharge module support piece is arranged below the discharge module, the wind shield is arranged below the plasma guide plate, the collecting cavities are arranged at two sides of the air outlet, and the insulating piece is positioned at a high-voltage line inlet on the front of the plasma generator protective cover; The plasma guide plates are symmetrical along the two sides of the shaft, the lower edges of the plasma guide plates are higher than the lower surface of the plasma generator protective cover, and the edges of the plasma guide plates exceed the edges of the collecting cavity; The two wings of the plasma guide plate are inclined downwards.
2. The plasma sterilization chamber of claim 1, wherein the sterilization chamber body comprises a left side chamber, a middle chamber, and a right side chamber in communication with one another.
3. The plasma sterilization chamber according to claim 2, wherein a left partition plate with a long strip hole is arranged between the left side chamber and the middle chamber, a right partition plate with a long strip hole is arranged between the middle chamber and the right side chamber, and the left side chamber, the middle chamber and the right side chamber are mutually communicated through the long strip holes on the left partition plate, the right partition plate and the partition plate at the lower part of the chamber.
4. The plasma sterilization chamber of claim 1, wherein the discharge module support is mounted on left and right sides of the interior of the plasma generator shield.
5. The plasma sterilizing chamber according to claim 2, wherein the plasma generator is installed in a left chamber and a right chamber, an air outlet of the plasma generator in the left chamber and the right chamber is communicated with a strip hole on the partition plate, the air direction flows into the middle chamber from the air outlet, a circulating fan is arranged in the left chamber, and a circulating fan is arranged in the right chamber.
6. The plasma sterilization chamber according to claim 5, wherein the plasma generators in the left chamber are a left chamber plasma generator I and a left chamber plasma generator II, the plasma generators in the right chamber 1 are a right chamber plasma generator I and a right chamber plasma generator II, the left chamber plasma generator I in the left chamber is positioned at the left side of the left chamber, the air inlet is downward and the air outlet is upward, the left chamber plasma generator II is positioned at the right side of the left chamber, the air inlet is leftward and the air outlet is rightward, the right chamber plasma generator I in the right chamber is positioned at the left side of the right chamber, the air inlet is rightward and the air outlet is leftward, the right chamber plasma generator II in the right chamber is positioned at the right side of the right chamber, the air outlet is upward, the air outlet of the left chamber plasma generator II in the right chamber is communicated with the strip-shaped hole in the left baffle plate, the air outlet of the right chamber I in the right chamber is communicated with the strip-shaped hole in the right baffle plate, and the air inlet is flowed into the air outlet from the middle chamber.
7. The plasma sterilization chamber of claim 1, wherein the collection chambers on both sides are symmetrical along an axis.
8. The plasma sterilization chamber of claim 1, wherein a sum of cross-sectional areas generated between the two side collection chambers and the plasma deflector is greater than or equal to a sum of cross-sectional areas of the air inlets.
9. The plasma sterilization chamber of claim 1, wherein the collection chamber is provided with a chute slidingly coupled to the collection chamber.

Description

Plasma sterilization cavity for cheese filling process Technical Field The invention belongs to the field of low-temperature plasmas, and mainly relates to a plasma sterilization cavity for a cheese filling process. Background The surface treatment technology of the atmospheric pressure low-temperature plasma biological material does not need complex vacuum equipment, has the characteristics of low cost, low energy consumption, high efficiency and the like, has low gas temperature (40-80 ℃) during discharge, can not damage the surface of the biological material during the treatment process, and has important application in the aspects of sterilization and disinfection of medical appliances, food safety and the like. The sterilization and disinfection by using the atmospheric pressure low-temperature plasma technology has very important application value. The sterilization method has the advantages of low cost, simple equipment, high sterilization efficiency and no secondary pollution after treatment. With the development of plasma technology, the structures of plasma generating devices are increasing. The medium for generating plasma by using the dielectric barrier discharge mode is usually made of quartz, and along with the long-term use of the device, quartz scraps are inevitably dropped to pollute the surface of the material. Disclosure of Invention The invention aims to provide a plasma sterilization cavity for a cheese filling process, and the structural design of the plasma sterilization cavity can effectively solve the problem that scraps generated in the discharging process of a plasma generator fall into cheese on the basis of enabling the sterilization effect in the plasma sterilization cavity to be better. The specific technical scheme of the invention is as follows: A plasma cavity that disinfects for cheese filling process, including cavity body, plasma generator and the cheese filling assembly line of disinfecting, plasma generator is located the inside of cavity body that disinfects, the cavity body is disinfected in cheese filling process assembly line passing, plasma generator is located the top of cheese filling assembly line. Preferably, the sterilization cavity body comprises a left cavity, a middle cavity and a right cavity which are communicated with each other. Preferably, a left partition plate with strip holes is arranged between the left cavity and the middle cavity, a right partition plate with strip holes is arranged between the middle cavity and the right cavity, and the left cavity, the middle cavity and the right cavity are mutually communicated through the left partition plate, the right partition plate and the strip holes on the partition plate at the lower part of the cavity. Preferably, the plasma generator mainly comprises a plasma generator protective cover, a discharge module supporting piece, an insulating piece, a fan, a plasma deflector, a wind shield and a collecting cavity, wherein the plasma generator protective cover is provided with an air inlet and an air outlet, the air inlet is arranged at the top of the plasma generator protective cover (the upper surface of the plasma generator protective cover), the air outlet is arranged at the bottom of the plasma generator protective cover (the lower surface of the plasma generator protective cover), the discharge module supporting piece, the fan, the plasma deflector, the wind shield and the collecting cavity are arranged in the plasma generator protective cover, the discharge module is arranged between the fan and the plasma deflector, the fan is close to the air inlet, the wind direction is from outside to inside, the discharge module supporting piece is arranged below the discharge module, the wind shield is arranged below the plasma deflector, the collecting cavities are arranged at two sides of the air outlet, the insulating piece is arranged at the inlet of a high-voltage line of the plasma generator protective cover, the high-voltage line enters the plasma generator through the insulating piece and is connected with the discharge module, and the other end of the high-voltage line is connected with a power supply. Preferably, the plasma deflector is fixedly connected with the wind deflector. Preferably, the discharge module support is installed at left and right sides inside the plasma generator shield. Preferably, the structure of the discharge module is known in the art for generating plasma. The medium for generating plasma by using the dielectric barrier discharge mode is usually made of quartz, and along with the long-term use of the device, quartz scraps are inevitably dropped to pollute the surface of the material. For example, the discharge module may be an atmospheric pressure in situ adjustable discharge area plasma discharge device of application number 2022201280334. Preferably, the fan is arranged in the protective cover of the plasma generator and is clung to the air inlet position on the upper surf