阅读说明：本技术 一种植物饮品铝箔袋卧式灭菌罐及灭菌方法 (Horizontal sterilization tank and sterilization method for plant beverage aluminum foil bags ) 是由 刘勇业 于 2021-05-25 设计创作，主要内容包括：本发明公开了一种植物饮品铝箔袋卧式灭菌罐,涉及植物饮品铝箔袋灭菌技术领域,包括灭菌罐本体,灭菌罐本体内设置有喷管,灭菌罐本体内底部还设置有底管,灭菌罐本体的外侧还设置有灭菌罐夹套；灭菌罐本体还连接有蒸汽进管,蒸汽进管通过三个进气支管分别与喷管、底管以及灭菌罐夹套连接；灭菌罐本体还连接有蒸汽出管,底管以及灭菌罐夹套均与蒸汽出管连接；灭菌罐本体上还连接有抽真空管,抽真空管连接有抽真空装置；灭菌罐本体的一端还连接有引风进管,另一端连接有引风出管；灭菌罐本体还连接有密封系统。本发明还公开了一种基于植物饮品铝箔袋卧式灭菌罐的灭菌方法。本发明不需要出厂就能完成包装袋表面的除菌,提高除菌效果。(The invention discloses a horizontal sterilization tank for plant beverage aluminum foil bags, which relates to the technical field of sterilization of plant beverage aluminum foil bags and comprises a sterilization tank body, wherein a spray pipe is arranged in the sterilization tank body, a bottom pipe is also arranged at the bottom in the sterilization tank body, and a sterilization tank jacket is also arranged at the outer side of the sterilization tank body; the sterilization tank body is also connected with a steam inlet pipe, and the steam inlet pipe is respectively connected with the spray pipe, the bottom pipe and the sterilization tank jacket through three air inlet branch pipes; the sterilization tank body is also connected with a steam outlet pipe, and the bottom pipe and the sterilization tank jacket are both connected with the steam outlet pipe; the sterilization tank body is also connected with a vacuumizing tube, and the vacuumizing tube is connected with a vacuumizing device; one end of the sterilization tank body is also connected with an induced air inlet pipe, and the other end of the sterilization tank body is connected with an induced air outlet pipe; the sterilization tank body is also connected with a sealing system. The invention also discloses a sterilization method based on the horizontal sterilization tank for the plant beverage aluminum foil bags. The invention can finish the sterilization of the surface of the packaging bag without leaving the factory, thereby improving the sterilization effect.)

1. The utility model provides a horizontal sterilization jar of plant drink aluminum foil bag, includes the sterilization jar body, its characterized in that: a spray pipe is arranged in the sterilization tank body, a bottom pipe is arranged at the bottom in the sterilization tank body, and a sterilization tank jacket is arranged outside the sterilization tank body; the sterilization tank body is also connected with a steam inlet pipe, and the steam inlet pipe is respectively connected with the spray pipe, the bottom pipe and the sterilization tank jacket through three air inlet branch pipes; the sterilization tank body is also connected with a steam outlet pipe, and the bottom pipe and the sterilization tank jacket are both connected with the steam outlet pipe; the sterilization tank body is also connected with a vacuumizing tube, and the vacuumizing tube is connected with a vacuumizing device; one end of the sterilization tank body is also connected with an induced air inlet pipe, and the other end of the sterilization tank body is connected with an induced air outlet pipe; the sterilization tank body is also connected with a sealing system.

2. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1, is characterized in that: the spray tube is provided with a plurality of, every all install a plurality of nozzles on the spray tube.

3. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 2 is characterized in that: the number of the spray pipes is four, the four spray pipes comprise two horizontal spray pipes and two vertical spray pipes, and the two horizontal spray pipes and the two vertical spray pipes are uniformly distributed in the sterilization tank body; each spray pipe is provided with 20 spray nozzles.

4. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1, is characterized in that: the vacuum pumping device adopts a vacuum pump, a vacuum valve is arranged on the vacuum pumping tube, a vacuum meter is installed on the sterilization tank body, and a hygrometer is also installed on the sterilization tank body.

5. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1, is characterized in that: the bottom center of sterilization jar body is provided with the comdenstion water outlet pipeline, install the steam trap on the comdenstion water outlet pipeline, the steam outlet pipe with steam trap the place ahead the comdenstion water outlet pipeline intercommunication.

6. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1, is characterized in that: the induced air inlet pipe is provided with an air inlet induced air valve, the induced air outlet pipe is provided with an air outlet induced air valve, and the induced air outlet pipe is connected with an induced draft fan.

7. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 6, is characterized in that: the induced air inlet pipe can be connected with an ozone sterilization system, and the ozone sterilization system comprises an air inlet cavity, an ozone generation cavity and an air outlet cavity which are sequentially communicated; a fresh air inlet is formed in the top end of the front part of the air inlet cavity, and a primary air filter screen is arranged at the rear part of the air inlet cavity; the front part of the ozone generating cavity is provided with an ozone generator, and the rear part of the ozone generating cavity is provided with a middle-effect air filter screen; the middle part of air-out cavity is provided with dustproof explosion-proof draught fan, the rear portion top of air-out cavity is provided with the ozone air outlet, be used for with induced air advances the pipe intercommunication, the anterior top of air-out cavity is provided with the ozone return air inlet, the ozone return air inlet with induced air exit tube intercommunication, the ozone air outlet with the ozone return air inlet is located respectively the both sides of dustproof explosion-proof draught fan.

8. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1, is characterized in that: the bottom is provided with two guide rails in the sterilization tank body for lay the goods shelves car, be used for laying a plurality of thing frames of putting on the goods shelves car, the one end of sterilization tank body is provided with a jar door, is used for making the goods shelves car business turn over.

9. The horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 8, is characterized in that: the sealing system comprises a sealing ring, the sealing ring is connected with a compressed air pipeline, the compressed air pipeline is used for introducing compressed air to jack up the sealing ring, and sealing between the tank door and the sterilization tank body is realized.

10. The sterilization method of the horizontal sterilization tank for the plant beverage aluminum foil bags according to claim 1 is characterized in that: the method comprises the following steps:

step one, pushing a goods shelf vehicle into the sterilization tank body according to the specification, and then closing a tank door of the sterilization tank body;

step two, vacuumizing the sterilization tank body, and stopping vacuumizing when the vacuum degree in the sterilization tank body reaches a specified value;

step three, introducing the steam inlet pipe to introduce steam into the sterilizing tank jacket to heat the sterilizing tank body;

step four, introducing saturated steam into the spray pipe, spraying the saturated steam into the sterilization tank body through the spray nozzle on the spray pipe, and starting sterilization;

step five, sterilizing and keeping for a specified time;

step six, repeating the step two to the step five;

seventhly, stopping supplying steam into the sterilization tank body, opening the induced air inlet pipe and the induced air outlet pipe, introducing low-humidity fresh air into the sterilization tank body, and performing induced air drying;

step eight, stopping introducing steam into the sterilizing tank jacket when the temperature and the humidity in the sterilizing tank body are reduced to specified requirements; continuously introducing air into the sterilization tank body through the air introducing pipe for cooling and dehumidifying, stopping air introducing and dehumidifying operation when the specified humidity is reached, and ending the sterilization program;

and step nine, opening the tank door and pushing out the goods shelf vehicle.

Technical Field

The invention relates to the technical field of sterilization of plant beverage aluminum foil bags, in particular to a horizontal sterilization tank and a sterilization method for the plant beverage aluminum foil bags.

Background

The material and the processing technology of the liquid food packaging bag are generally not as strict as those of the packaging material of the medical aseptic liquid, and upstream manufacturers can cause bacterial pollution on the surface of the finished product liquid packaging bag in places which are not in place in production, packaging and transportation, and the pollution can cause the product to deteriorate in storage and sale. If the product is seriously deteriorated or a plurality of batches of the product are polluted, generally, food manufacturers use low-dose cobalt 60 irradiation to treat the bacterial contamination on the surface of the packaging bag. The cobalt 60 irradiation is time-consuming and labor-consuming, the surface properties of the irradiated packaging material, including colors, patterns and the like, can be changed, and the liquid is not allowed to be irradiated by radiation according to the industry regulations, and the irradiated dosage is difficult to control because the quality of the irradiated liquid can be changed, including the generation of free radicals and the like, and is not beneficial to the health of a human body.

The finished product liquid packaging bag is not beneficial to using sterilization modes with weak penetrating power such as ozone sterilization and the like due to stacking and stacking; the food (packaging material) must not be sterilized by sterilization means such as ethylene oxide which is toxic (residual) to the food.

Therefore, it is desirable to provide a new device and method for sterilizing aluminum foil bags for plant drinks to solve the above-mentioned problems in the prior art.

Disclosure of Invention

The invention aims to provide a horizontal sterilization tank and a horizontal sterilization method for a plant beverage aluminum foil bag, which are used for solving the problems in the prior art, can finish sterilization on the surface of a packaging bag without leaving a factory and improve the sterilization effect.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a horizontal sterilization tank for plant beverage aluminum foil bags, which uses saturated steam as a sterilization medium and comprises a sterilization tank body, wherein a spray pipe is arranged in the sterilization tank body, a bottom pipe is also arranged at the bottom in the sterilization tank body, and a sterilization tank jacket is also arranged at the outer side of the sterilization tank body; the sterilization tank body is also connected with a steam inlet pipe, and the steam inlet pipe is respectively connected with the spray pipe, the bottom pipe and the sterilization tank jacket through three air inlet branch pipes; the sterilization tank body is also connected with a steam outlet pipe, and the bottom pipe and the sterilization tank jacket are both connected with the steam outlet pipe; the sterilization tank body is also connected with a vacuumizing tube, and the vacuumizing tube is connected with a vacuumizing device; one end of the sterilization tank body is also connected with an induced air inlet pipe, and the other end of the sterilization tank body is connected with an induced air outlet pipe; the sterilization tank body is also connected with a sealing system.

In the present invention, if ozone gas is used as a sterilization medium, low-temperature and low-humidity ozone sterilization (can) can be realized.

The sterilization tank can also be used for sterilizing the contents of solid materials such as particles, powder and the like and packaging bags thereof.

Preferably, the spray pipe is provided with a plurality of, and each spray pipe is provided with a plurality of nozzles.

Preferably, the number of the spray pipes is four, the four spray pipes comprise two horizontal spray pipes and two vertical spray pipes, and the two horizontal spray pipes and the two vertical spray pipes are uniformly distributed in the sterilization tank body; each spray pipe is provided with 20 spray nozzles.

Preferably, the vacuum pumping device adopts a vacuum pump, a vacuum valve is arranged on the vacuum pumping tube, a vacuum meter is installed on the sterilization tank body, and a hygrometer is also installed on the sterilization tank body.

Preferably, the bottom center of sterilization jar body is provided with the comdenstion water outlet pipeline, install the steam trap on the comdenstion water outlet pipeline, the steam outlet pipe with steam trap the place ahead the comdenstion water outlet pipeline intercommunication.

Preferably, the induced air inlet pipe is provided with an air inlet induced air valve, the induced air outlet pipe is provided with an air outlet induced air valve, and the induced air outlet pipe is connected with an induced draft fan.

Preferably, the induced air inlet pipe can be connected with an ozone sterilization system, and the ozone sterilization system comprises an air inlet cavity, an ozone generation cavity and an air outlet cavity which are sequentially communicated; a fresh air inlet is formed in the top end of the front part of the air inlet cavity, and a primary air filter screen is arranged at the rear part of the air inlet cavity; the front part of the ozone generating cavity is provided with an ozone generator, and the rear part of the ozone generating cavity is provided with a middle-effect air filter screen; the middle part of air-out cavity is provided with dustproof explosion-proof draught fan, the rear portion top of air-out cavity is provided with the ozone air outlet, be used for with induced air advances the pipe intercommunication, the anterior top of air-out cavity is provided with the ozone return air inlet, the ozone return air inlet with induced air exit tube intercommunication, the ozone air outlet with the ozone return air inlet is located respectively the both sides of dustproof explosion-proof draught fan.

Preferably, the bottom is provided with two guide rails in the sterilization tank body for lay the goods shelves car, be used for laying a plurality of thing frames of putting on the goods shelves car, the one end of sterilization tank body is provided with a jar door, is used for making the goods shelves car business turn over.

Preferably, be provided with between jar door and the sterilization jar body sealing system, sealing system includes the sealing washer, the sealing washer is connected with the compressed air pipeline, the compressed air pipeline be used for letting in compressed air will the sealing washer jack-up realizes jar door with seal between the sterilization jar body.

The invention also discloses a sterilization method based on the horizontal sterilization tank for the plant beverage aluminum foil bag, which comprises the following steps:

step one, pushing a goods shelf vehicle into the sterilization tank body according to the specification, and then closing a tank door of the sterilization tank body;

step two, vacuumizing the sterilization tank body, and stopping vacuumizing when the vacuum degree in the sterilization tank body reaches a specified value;

step three, introducing the steam inlet pipe to introduce steam into the sterilizing tank jacket to heat the sterilizing tank body;

step four, introducing saturated steam into the spray pipe, spraying the saturated steam into the sterilization tank body through the spray nozzle on the spray pipe, and starting sterilization;

step five, sterilizing and keeping for a specified time;

step six, repeating the step two to the step five;

seventhly, stopping supplying steam into the sterilization tank body, opening the induced air inlet pipe and the induced air outlet pipe, introducing low-humidity fresh air into the sterilization tank body, and performing induced air drying;

step eight, stopping introducing steam into the sterilizing tank jacket when the temperature and the humidity in the sterilizing tank body are reduced to specified requirements; continuously introducing air into the sterilization tank body through the air introducing pipe for cooling and dehumidifying, stopping air introducing and dehumidifying operation when the specified humidity is reached, and ending the sterilization program;

and step nine, opening the tank door and pushing out the goods shelf vehicle.

Compared with the prior art, the invention has the following beneficial technical effects:

the horizontal sterilization tank and the sterilization method for the plant beverage aluminum foil bags can finish sterilization on the surfaces of the packaging bags without leaving factories, and the sterilization effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a horizontal sterilization tank for aluminum foil bags for plant drinks according to the present invention;

FIG. 2 is a schematic view of the sealing system of the door of the tank of the present invention;

FIG. 3 is a schematic view of the distribution of the nozzles of the present invention;

FIG. 4 is a schematic structural view of a bottom tube according to the present invention;

FIG. 5 is a schematic view of the connection between the sterilization tank body and the ozone sterilization system according to the present invention;

FIG. 6 is a schematic structural view of a sterilization can body according to the present invention;

FIG. 7 is a side view of the sterilization pot body of the present invention;

description of reference numerals: 1. a sterilization tank body; 2. a support leg; 3. a tank door; 4. a seal ring; 5. a manual interlock; 6. a visual window; 7. a steam inlet pipe; 8. an intake branch pipe; 9. a vertical nozzle; 10. a horizontal nozzle; 11. vacuumizing a tube; 12. a bottom tube; 13. a vapor outlet pipe; 14. a condensed water outlet pipeline; 15. a steam trap; 16. an induced air inlet; 17. an induced air outlet; 18. an induced air outlet pipe; 19. a compressed air inlet; 20. a compressed air conduit; 21. a nozzle; 22. an induced air inlet pipe; 23. an ozone sterilization system; 231. an air inlet cavity; 232. an ozone generating cavity; 233. an air outlet cavity; 234. a fresh air inlet; 235. a primary air filter screen; 236. an ozone generator; 237. a medium efficiency air filter screen; 238. a dustproof and explosion-proof induced draft fan; 239. an ozone outlet; 2310. an ozone air return inlet; 24. lifting lugs; 25. a temperature measuring port; 26. an exhaust standby port; 27. a pressure gauge; 28. a vacuum gauge; 29. a humidity meter; 30. a guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a horizontal sterilization tank and a horizontal sterilization method for a plant beverage aluminum foil bag, which are used for solving the problems in the prior art, can finish sterilization on the surface of a packaging bag without leaving a factory and improve the sterilization effect.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-7, the present embodiment provides a horizontal sterilization tank for plant beverage aluminum foil bags, which includes a sterilization tank body 1, wherein the sterilization tank body 1 adopts a vacuum pulsation sterilization tank, and is composed of stainless steel 304, the effective volume of the sterilization tank body 1 is 3.11 cubic meters, the pressure resistance is 0.35MPa, and the working temperature is 143 ℃. The bottom in the sterilization tank body 1 is provided with two guide rails 30 for placing a goods shelf vehicle, the goods shelf vehicle is used for stacking a plurality of storage frames, and the storage frames are used for placing plant beverage aluminum foil bags to be sterilized; the object placing frame is a small stainless steel frame, the size of the small stainless steel frame is 800 multiplied by 80 multiplied by 100 cm, and 8 frames/groups multiplied by 3 groups can be placed on the goods shelf vehicle, and the total number is 24 frames; one end of the sterilization tank body 1 is provided with a tank door 3 for the goods shelf vehicle to enter and exit.

In the embodiment, the lifting lugs 24 are arranged on two sides of the top of the sterilization tank body 1, so that the sterilization tank body 1 can be conveniently lifted to move, and the bottom of the sterilization tank body 1 is provided with the supporting legs for manufacturing; can also be provided with manual interlock 5 on jar door 3, manual interlock 5 selects from prior art as required, and manual interlock 5 guarantees to satisfy: (1) when the quick opening door reaches a preset closing position, the pressure can be boosted for operation; (2) when the internal pressure of the pressure container is completely released, the quick-opening door can be opened; the manual interlocking device 5 is placed in a waterproof and dustproof environment, the temperature of the use environment is not higher than 60 ℃, the device is inspected once a year, online inspection or inspection is carried out by taking air as a medium (normal temperature and 0.1MPa), the functional integrity of the safety interlocking device is detected, and if the device is stopped for more than one month, the device is inspected again before being put into use; and the cycle time of quick door opening is 40000 times.

In the embodiment, saturated steam can be used as a sterilization medium, a spray pipe is arranged in the sterilization tank body 1, a bottom pipe 12 is further arranged at the bottom in the sterilization tank body 1, and a sterilization tank jacket is further arranged on the outer side of the sterilization tank body 1; the sterilization tank body 1 is also connected with a steam inlet pipe 7, the steam inlet pipe 7 is respectively connected with a spray pipe, a bottom pipe 12 and a sterilization tank jacket through three air inlet branch pipes 8, and a steam valve is arranged on the steam inlet pipe 7; in the embodiment, one path of steam enters a sterilization tank jacket and is used for heating a tank chamber of the sterilization tank body 1 when the sterilization tank body 1 is vacuumized, and heating and preserving heat of the sterilization tank body 1 during sterilization; the other path of steam enters a bottom pipe 12 in the sterilization tank body 1 and is used for raising the temperature of the tank chamber of the whole sterilization tank body 1 from bottom to top and preserving the temperature when the sterilization is performed; the third path enters a spray pipe in the sterilization tank body 1, saturated steam is sprayed into the tank chamber, and the bags in the object frame are sterilized. And sterilization jar body 1 still is connected with steam outlet pipe 13, and bottom tube 12 and sterilization jar jacket all are connected with steam outlet pipe 13 for discharge steam.

In the embodiment, the sterilization tank body 1 is further connected with a vacuum-pumping tube 11, the vacuum-pumping tube 11 is connected with a vacuum-pumping device, the vacuum-pumping device adopts a vacuum pump, the vacuum-pumping tube 11 is provided with a vacuum valve, the top of the sterilization tank body 1 is provided with a vacuum gauge 28, and the top of the sterilization tank body 1 is further provided with a hygrometer 29 and a pressure gauge 27; the middle part of the sterilization tank body 1 is provided with a temperature measuring port 25, and a thermometer is arranged on the temperature measuring port 25.

In this embodiment, one end of the sterilization tank body 1 is provided with an induced air inlet 16 for connecting an induced air inlet pipe 22, and the other end is provided with an induced air outlet 17 for connecting an induced air outlet pipe 18, the induced air inlet pipe 22 is provided with an air inlet induced air valve, the induced air outlet pipe 18 is provided with an air outlet induced air valve, and the induced air outlet pipe 18 is connected with an induced draft fan; the air inducing inlet pipe 22 is arranged and used for introducing low-humidity fresh air into the sterilization tank body 1 after sterilization is finished, air inducing drying is carried out, dehumidification of the surface of the packaging bag is achieved, and the induced air is discharged outdoors through the induced air outlet pipe 18 by the induced draft fan.

In the embodiment, a plurality of spray pipes are arranged, and each spray pipe is provided with a plurality of nozzles 21; specifically, four spray pipes are arranged, and comprise two horizontal spray pipes 10 and two vertical spray pipes 9, and the two horizontal spray pipes 10 and the two vertical spray pipes 9 are uniformly distributed in the sterilization tank body 1; each spray pipe is provided with 20 spray nozzles 21, and the total number of the spray nozzles 21 is 80. The number and arrangement of the nozzles and the number of the nozzles 21 can be adjusted according to the specific working requirements.

In the embodiment, a condensed water outlet pipeline 14 is arranged at the center of the bottom of the sterilization tank body 1, and a steam trap 15 is arranged on the condensed water outlet pipeline 14; wherein, the condensed water outlet pipeline 14 is connected with two water outlet branches, and each water outlet branch is connected with a steam trap 15 for discharging the steam condensed water out of the system.

In this embodiment, be provided with sealing system between jar door 3 and the sterilization jar body 1, sealing system includes sealing washer 4, is provided with the air cavity in the sealing washer 4, and compressed air inlet 19 on the sealing washer 4 is connected with compressed air pipeline 20, and compressed air pipeline 20 is used for letting in compressed air in toward the air cavity and with sealing washer 4 jack-up, realizes the sealed between jar door 3 and the sterilization jar body 1, prevents the leakage of sterilization medium.

In this embodiment, can be provided with visual window 6 on jar door 3 and on the sterilization jar body 1 to look over the sterilization condition in the sterilization jar body 1, the top of sterilization jar body 1 still is provided with the reserve mouth 26 of exhaust.

In the present embodiment, if ozone gas is used as the sterilization medium, low-temperature and low-humidity ozone sterilization (can) can be achieved; specifically, the induced air inlet pipe 22 can be connected with an ozone sterilization system 23, and the ozone sterilization system 23 comprises an air inlet cavity 231, an ozone generation cavity 232 and an air outlet cavity 233 which are sequentially communicated; a fresh air inlet 234 is formed in the top end of the front part of the air inlet cavity 231, and a primary air filter screen 235 is arranged at the rear part of the air inlet cavity 231; the front part of the ozone generating cavity 232 is provided with an ozone generator 236, and the rear part of the ozone generating cavity 232 is provided with a middle-effect air filter screen 237; the middle part of the air outlet cavity 233 is provided with a dustproof and explosion-proof induced draft fan 238, the top end of the rear part of the air outlet cavity 233 is provided with an ozone outlet 239 which is used for being communicated with the induced air inlet pipe 22, the top end of the front part of the air outlet cavity 233 is provided with an ozone return air inlet 2310, the ozone return air inlet 2310 is communicated with the induced air outlet pipe 18, the ozone outlet 239 and the ozone return air inlet 2310 are respectively positioned at two sides of the dustproof and explosion-proof induced draft fan 238, the circulation path of ozone gas can be realized, and ozone sterilization is completed. In the ozone sterilization of the embodiment, ozone gas comes from the ozone generator 236 and is pumped by the dustproof and explosion-proof induced draft fan 238 positioned in the air outlet cavity 233 to enter the sterilization tank body 1; the gas source of the ozone gas is purified air which is primarily filtered and secondarily filtered.

The embodiment also discloses a sterilization method based on the horizontal sterilization tank for the plant beverage aluminum foil bags, which comprises the following steps:

step one, pushing a goods shelf vehicle into a sterilization tank body 1 according to regulations, then closing a tank door 3 of the sterilization tank body 1, wherein 8 frames/groups multiplied by 3 groups are arranged on the goods shelf vehicle, and 24 frames/frames are provided in total;

step two, vacuumizing the sterilization tank body 1, and stopping vacuumizing when the vacuum degree in the sterilization tank body 1 reaches a specified value (-0.09 mpa);

step three, introducing steam into a sterilization tank jacket through a steam inlet pipe 7, heating the sterilization tank body 1 to 60-65 ℃; steam is introduced into a bottom pipe 12 in the sterilization tank body 1 through a steam inlet pipe 7 and is used for heating and preserving the temperature of the whole sterilization tank body 1 from bottom to top from the bottom of the tank room during food sterilization;

step four, introducing saturated steam into the spray pipe, spraying the saturated steam into the sterilization tank body 1 through a nozzle 21 on the spray pipe, and starting sterilization;

opening a valve on the steam outlet pipe 13 to circulate steam while sterilizing, and opening a steam trap 15 to discharge steam condensate;

fifthly, sterilizing at 121 ℃ under the steam pressure of 0.1mpa to ensure that saturated steam in the sterilization tank body 1 has penetrating power to kill microorganisms inside and outside the bag, and sterilizing for 10-15 minutes;

step six, repeating the step two to the step five, and performing circulation for three times;

step seven, closing the steam of the nozzle 21 and the steam of the bottom pipe 12 after the sterilization is finished, stopping supplying the steam into the sterilization tank body 1 and keeping the steam of the jacket of the sterilization tank; opening an induced air inlet pipe 22 and an induced air outlet pipe 18, introducing low-humidity fresh air into the sterilization tank body 1, and carrying out induced air drying;

step eight, when the humidity in the sterilization tank body 1 is less than 25% and the temperature is less than 40 ℃, closing steam in a jacket of the sterilization tank; when the temperature of the tray is lower than 30 ℃, closing the induced draft fan, stopping induced draft dehumidification operation, and ending the sterilization program;

and step nine, opening the tank door 3 and pushing out the goods shelf vehicle.

The horizontal sterilizing tank can also sterilize the contents of solid materials such as particles, powder and the like and packaging bags thereof.

The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.