Compact container pasteurization device

Abstract

This invention provides a compact container pasteurization device, comprising: a spray chamber for holding containers to be pasteurized, the spray chamber having multiple nozzles; a spray pipeline connected to the nozzles and supplying water to the nozzles; a heat source / cold source pipeline, including a heat source input / output pipeline and a cold source input / output pipeline; and a heat exchange device disposed between the spray pipeline and the heat source / cold source pipeline for heat exchange. The heat source input pipeline is connected to the heat source output pipeline via the heat exchange device, and the cold source input pipeline is connected to the cold source output pipeline via the heat exchange device. A proportional regulating valve is installed on the pipeline connecting the heat source input pipeline and the cold source input pipeline to the heat exchange device after they converge. Compared with existing tunnel-type pasteurization devices, this invention has a compact structure, high thermal energy utilization rate, and uniform heating. It is suitable for containers of different sizes and quantities, has multiple application scenarios, significantly improves sterilization efficiency, and effectively reduces production costs.

Description

Technical Field

[0001] This utility model relates to the field of sterilization, and in particular to a compact container pasteurization device. Background Technology

[0002] Pasteurization is a commonly used sterilization method in the food and beverage industry, and it has a good sterilization effect.

[0003] Pasteurization technology mainly uses low-temperature long-time (LTLT) or high-temperature short-time (HTST) heating methods to kill pathogenic microorganisms in food by controlling the temperature (usually 62-75℃) and time (30 seconds to 30 minutes) while preserving nutrients.

[0004] Currently, some pasteurization equipment uses tunnel-type sterilization devices, which transport food, such as bottled beverages and soft-packaged liquids, via conveyor belts and perform spraying or steam heating within the tunnel to achieve uniform sterilization. While this method is suitable for continuous production, it still has certain limitations. For example, the equipment is bulky because the tunnels are typically long enough to meet sterilization time requirements, occupying a large amount of factory space; thermal energy utilization is low because the tunnel structure has a large heat dissipation area, leading to easy heat loss and high energy consumption, as well as poor heat preservation; and the heating uniformity is insufficient because the distribution of sprays or steam can cause temperature differences in materials at different locations, affecting sterilization consistency.

[0005] Therefore, there is an urgent need for a pasteurization device that is compact, has high thermal energy utilization, and provides uniform heating, in order to improve sterilization efficiency and reduce production costs. Utility Model Content

[0006] To address the aforementioned problems, the main objective of this invention is to provide a compact container pasteurization device, which features a compact structure, high thermal energy utilization, and uniform heating.

[0007] To achieve the above objectives, this utility model provides a compact container pasteurization device, comprising:

[0008] A spray chamber for holding a container to be pasteurized, and the spray chamber is provided with multiple nozzles;

[0009] A spray pipe is connected to the nozzle and supplies water to the nozzle to heat or cool the container.

[0010] The heat source / cold source piping includes a heat source input piping, a heat source output piping, a cold source input piping, and a cold source output piping;

[0011] A heat exchange device is provided between the spray pipeline and the heat source / cold source pipeline, for exchanging heat between the steam in the heat source pipeline or the cold water in the cold source pipeline and the water in the spray pipeline through the heat exchange pipeline.

[0012] The heat source input pipeline is connected to the heat source output pipeline through a heat exchange device, and the cold source input pipeline is connected to the cold source output pipeline through a heat exchange device. A proportional regulating valve is installed on the pipeline that connects the heat source input pipeline and the cold source input pipeline to the heat exchange device after they converge.

[0013] According to the compact container pasteurization apparatus, the spray chamber includes at least one compartment, each compartment being equipped with uniformly arranged nozzles for accommodating the containers, the spray range of the nozzles being able to cover all containers within the compartment.

[0014] According to the compact container pasteurization apparatus, the nozzle is movable up and down and / or left and right to adjust the spray range of the nozzle to cover all the containers.

[0015] According to the compact container pasteurization device, each compartment of the spray chamber has a plurality of evenly arranged grid grooves at its bottom, the size of which is adjustable.

[0016] According to the compact container pasteurization device, the spray chamber is further provided with doors on opposite sides, and the doors are provided with observation windows.

[0017] According to the compact container pasteurization apparatus, the spray piping includes: a water source, a buffer tank, a pump, and a first to a seventh automatic valve; wherein,

[0018] The water source is connected to the buffer tank via a first automatic valve;

[0019] The downstream of the buffer tank is connected to the pump, and the downstream of the pump is connected to multiple nozzles in the upper and lower partitions of the spray chamber via a heat exchange device. A fifth automatic valve and a sixth automatic valve are respectively installed on the pipeline between the heat exchange device and the upper nozzle in the upper partition, and a fourth automatic valve and a seventh automatic valve are respectively installed on the pipeline between the heat exchange device and the lower nozzle in the lower partition.

[0020] The spray chamber is provided with an upper collection tank and a lower collection tank below the upper and lower partitions, respectively. The bottom of the upper and lower collection tanks are connected to the upstream of the buffer tank through pipelines, and a second automatic valve is provided on the pipeline between the lower collection tank and the buffer tank.

[0021] A third automatic valve is also installed on the pipeline between the buffer tank and the pump. The third automatic valve is used to drain the water in the spray pipeline after the sterilization process is completed.

[0022] According to the compact container pasteurization device described above, the spray pipeline further includes: a first manual valve to a fourth manual valve, a first pressure sensor, and a second pressure sensor, wherein...

[0023] A third manual valve is installed on the pipeline between the upper collection tank and the buffer tank, and a fourth manual valve is installed on the pipeline between the lower collection tank and the buffer tank.

[0024] A first manual valve and a first pressure sensor are also installed on the pipeline between the heat exchanger and the fourth automatic valve, and a second manual valve and a second pressure sensor are also installed on the pipeline between the heat exchanger and the seventh automatic valve.

[0025] According to the compact container pasteurization device, a first temperature sensor is also installed on the pipeline between the third manual valve, the fourth manual valve and the buffer tank. The first temperature sensor is used to monitor the water temperature returning to the buffer tank.

[0026] According to the compact container pasteurization device, the heat source input pipeline is provided with a heat source input end, a filter, a first heat source pressure sensor, a heat source pressure reducing valve, a second heat source pressure sensor, and an automatic heat source input valve in sequence from upstream to downstream.

[0027] The heat source output pipeline is equipped with an automatic heat source output valve and a heat source output end from upstream to downstream.

[0028] The cold source input pipeline is equipped with a cold source input terminal, a cold source temperature sensor, and a cold source input automatic valve in sequence from upstream to downstream.

[0029] The cold source output pipeline is equipped with an automatic cold source output valve, a drain valve, and a cold source output terminal in sequence from upstream to downstream.

[0030] According to the compact container pasteurization device, the heat source input pipeline further includes a heat source input manual valve, which is located between the heat source input end and the filter;

[0031] The cold source input pipeline also includes a cold source input manual valve, which is located between the cold source input end and the cold source temperature sensor;

[0032] The cold source output pipeline also includes a cold source output manual valve, which is located between the drain valve and the cold source output end.

[0033] According to the compact container pasteurization device, the proportional regulating valve is disposed between the cold source input automatic valve and the heat exchange device, and is also disposed between the heat source input automatic valve and the heat exchange device.

[0034] According to the compact container pasteurization device, a first heat source pressure sensor and a second heat source pressure sensor are respectively installed upstream and downstream of the heat source pressure reducing valve.

[0035] According to the compact container pasteurization apparatus, the water source is supplied with soft water.

[0036] According to the compact container pasteurization apparatus described above, the proportional control valve is controlled by a PID controller.

[0037] According to the compact container pasteurization apparatus, the spray range of the nozzle can be changed by adjusting the opening of the connected nozzle.

[0038] In summary, the beneficial effects of this utility model are as follows: This utility model provides a compact container pasteurization device, which, compared with the existing tunnel pasteurization device, has a compact structure, high thermal energy utilization rate and uniform heating. It is suitable for containers of different sizes and quantities, and has a wide range of application scenarios. It not only greatly improves sterilization efficiency, but also effectively reduces production costs. Attached Figure Description

[0039] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0040] Figure 1 This is a schematic diagram of the pasteurization device according to the present invention;

[0041] Figure 2 A perspective view of the spray chamber of the pasteurization device according to this utility model;

[0042] Figure 3 This is a schematic diagram of a nozzle spraying water onto a container. Detailed Implementation

[0043] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, features of the same embodiments and different embodiments of this application can be combined with each other.

[0044] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0045] First, such as Figure 1The diagram shown is a structural schematic of the pasteurization device of this invention. This invention provides a compact container pasteurization device for pasteurizing containers (e.g., bottles for filling beverages, milk, etc., or containers for holding food), killing pathogenic microorganisms in food and beverages while preserving nutrients.

[0046] The pasteurization device 100 mainly includes: a spray chamber 1, a spray pipeline 2, a heat exchange device 3, and a heat source / cold source pipeline 4.

[0047] spray chamber

[0048] For example Figure 2 As shown, the spray chamber 1 comprises upper and lower layers, each layer being used to place containers 10 to be pasteurized. It should be noted that the spray chamber can have only one layer or more than two layers, and is not limited to this. By setting several layers of partitions for placing containers 10 within the spray chamber 1, pasteurization of as many containers as possible can be achieved simultaneously within a limited space.

[0049] Each compartment of the spray chamber 1 is uniformly provided with multiple nozzles 11 at its top, ensuring that the spray range of the nozzles 11 covers all containers 10 to be sterilized. Preferably, the nozzles are movable vertically and / or horizontally, for example, their installation position is adjustable or the connecting pipes to which the nozzles are connected are retractable, to adjust the spray range of the nozzles and ensure coverage of all containers 10 to be sterilized. Furthermore, the spray range of the nozzles can also be adjusted by adjusting the opening of the valves connecting the nozzles. When it is necessary to increase the spray range of the nozzles, the pressure of the liquid in the connecting pipes can be increased; when it is necessary to decrease the spray range of the nozzles, the pressure of the liquid in the connecting pipes can be decreased.

[0050] The bottom of each compartment of the spray chamber 1 is provided with several mesh grooves 12 (see...). Figure 2 The grid groove 12 is used to stably and vertically accommodate the container 10, and to ensure uniform spacing between the containers, thereby achieving uniform heating and cooling of the containers. Preferably, the size of the grid groove 12 is adjustable, for example, made of elastic or stretchable material, or assembled with detachable partitions. By using the adjustable-size grid groove 12, it can be adapted to containers 10 of different sizes without the need to replace the entire spray chamber.

[0051] Below the grid groove 12 at the bottom of each partition, there is a funnel-shaped collection tank 13. After the liquid sprayed by the nozzle 11 is sprayed into the container, it flows into the collection tank 13 through the grid groove 12 and finally enters the spray pipe 2 for recycling of the sprayed liquid.

[0052] The spray chamber 1 is also equipped with doors 14 on opposite sides, allowing workers to place and remove containers simultaneously from both sides of the spray chamber 1, increasing work efficiency. In addition, observation windows (not shown in the figure) can be provided on the doors so that workers can observe the spraying situation inside the spray chamber at any time.

[0053] Spray pipes

[0054] Back to Figure 1 The spray pipeline 2 mainly includes: a water source 21, a buffer tank 22, a pump 23, a first automatic valve to a seventh automatic valve 241 to 247, and a first manual valve to a fourth manual valve 251 to 254.

[0055] The water source 21 is connected to the buffer tank 22 via a first automatic valve 241. Preferably, the water source 21 supplies soft water.

[0056] The buffer tank 22 is connected to a high liquid level sensor 221 and a low liquid level sensor 222 respectively, so as to detect the water level in the buffer tank 22 at any time.

[0057] Downstream of the buffer tank 22 is connected to the pump 23, and downstream of the pump 23 is connected to multiple nozzles 11 in the spray chamber 1 via a heat exchange device 3. A fifth automatic valve 245 and a sixth automatic valve 246 are respectively installed on the pipeline between the heat exchange device 3 and the upper nozzles in the upper partition, and a fourth automatic valve 244 and a seventh automatic valve 247 are respectively installed on the pipeline between the heat exchange device 3 and the lower nozzles in the lower partition. By opening and closing the fourth to seventh automatic valves 244 to 247, the supply of spray water to the nozzles 11 can be controlled or disconnected.

[0058] Preferably, a first manual valve 251 and a first pressure sensor 261 are also installed on the upstream pipeline of the fourth automatic valve 244, that is, on the pipeline between the heat exchange device 3 and the fourth automatic valve 244. The first pressure sensor 261 senses the water pressure in the pipeline, and the pressure of the spray water supplied to the nozzle can be adjusted by the first manual valve 251. This adjustment of the water pressure changes the spray range of the nozzle, ensuring that each container 10 in the spray chamber 1 is within the spray range and receives effective pasteurization (e.g., ...). Figure 3 (As shown). Similarly, a second manual valve 252 and a second pressure sensor 261 are also provided on the upstream pipeline of the seventh automatic valve 247, that is, on the pipeline between the heat exchange device 3 and the seventh automatic valve 247. These are used to adjust the water pressure of the corresponding nozzles. The first manual valve 251 and the second manual valve 252 are also used to adjust the water pressure of the corresponding nozzles to be consistent or close, thereby achieving uniform spraying of the container 10.

[0059] The first pressure sensor 261 and the second pressure sensor 262 can also be replaced by a pressure gauge.

[0060] The collection tank 13 includes an upper collection tank 131 and a lower collection tank 132. The bottoms of the upper and lower collection tanks 131 and 132 are respectively connected to the upstream of the buffer tank 22 via pipelines. A third manual valve 253 is installed on the pipeline between the upper collection tank 131 and the buffer tank 22, while a second automatic valve 242 and a fourth manual valve 254 are sequentially installed on the pipeline between the lower collection tank 132 and the buffer tank 22. The soft water flowing into the buffer tank 22 from the upper and lower collection tanks 131 and 132 will re-enter the spray pipeline 2 for recycling, which not only saves water resources, but also saves thermal energy by re-entering the circulation of the liquid flowing out of the spray chamber. Preferably, a first temperature sensor 271 is also installed on the pipeline between the third manual valve 253, the fourth manual valve 254 and the buffer tank 22. The first temperature sensor 271 is used to monitor the temperature of the soft water returning to the buffer tank 22.

[0061] The first temperature sensor 271 can also be replaced by a temperature gauge.

[0062] A third automatic valve 243 is also installed on the pipeline between the buffer tank 22 and the pump 23. The third automatic valve 243 is used to drain the water in the spray pipeline 2 after the sterilization process is completed.

[0063] heat exchanger

[0064] The heat exchange device 3 is disposed between the spray pipe 2 and the heat source / cold source pipe 4. By exchanging heat between the heat source / cold source pipe 4 and the spray pipe 2, the soft water in the spray pipe is rapidly heated or rapidly cooled. Preferably, the heat exchange device 3 can be a tubular heat exchanger or a plate heat exchanger, but is not limited thereto.

[0065] Heat source / cold source piping

[0066] The heat source / cold source pipeline 4 includes a heat source input pipeline 41, a heat source output pipeline 42, a cold source input pipeline 43, and a cold source output pipeline 44. The heat source input pipeline 41 is connected to the heat source output pipeline 42 through a heat exchanger 3, and the cold source input pipeline 43 is connected to the cold source output pipeline 44 through a heat exchanger 3. A proportional regulating valve 45 is installed on the pipeline connecting the heat source input pipeline 41 and the cold source input pipeline 43 to the heat exchanger 3. The proportional regulating valve is controlled by PID (Proportional-Integral-Derivative).

[0067] More specifically, the heat source input pipeline 41 is provided with, from upstream to downstream, a heat source input terminal 411, a heat source input manual valve 412, a filter 413, a first heat source pressure sensor 414, a heat source pressure reducing valve 415, a second heat source pressure sensor 416, and a heat source input automatic valve 417. The proportional regulating valve 45 is located downstream of the heat source input automatic valve 417, that is, between the heat source input automatic valve 417 and the heat exchange device 3. Preferably, the first heat source pressure sensor 414 and the second heat source pressure sensor 416 are respectively installed upstream and downstream of the heat source pressure reducing valve 415, so as to detect the pressure of the pipeline upstream and downstream of the heat source pressure reducing valve 415 respectively, so as to achieve precise control.

[0068] The heat source output pipeline 42 is provided with an automatic heat source output valve 421 and a heat source output terminal 422 sequentially from upstream to downstream. Steam enters the heat source input pipeline 41 from the heat source input terminal 411. When the steam enters the heat exchange device 3, it exchanges heat with the soft water in the spray pipeline 2. Then the steam is discharged from the heat source output pipeline 42 through the heat source output terminal 422.

[0069] The cold source input pipeline 43 is provided with a cold source input terminal 431, a cold source input manual valve 432, a cold source temperature sensor 433, and a cold source input automatic valve 434 in sequence from upstream to downstream. The proportional regulating valve 45 is located downstream of the cold source input automatic valve 434, that is, between the cold source input automatic valve 417 and the heat exchange device 3.

[0070] The cold source output pipeline 44 is equipped with, from upstream to downstream, an automatic cold source output valve 441, a drain valve 442, a manual cold source output valve 443, and a cold source output terminal 444. Cold water (e.g., ice water) enters the cold source input pipeline 43 from the cold source input terminal 431. When this cold water enters the heat exchange device 3, it exchanges heat with the soft water in the spray pipeline 2. The cold water is then discharged from the cold source output pipeline 42 via the cold source output terminal 422.

[0071] The working principle of this utility model is as follows:

[0072] 1. Place the containers to be sterilized into the spray chamber, and adjust the height of each nozzle to suit the size and number of containers.

[0073] 2. Inject liquid into the spray pipeline. Specifically, open the first automatic valve 241, close the third automatic valve 243, and inject liquid (e.g., soft water) into the buffer tank 22. After the high level sensor 221 indicates that the buffer tank 22 is full, close the first automatic valve 241.

[0074] 3. Begin heating the soft water in spray pipe 2, while simultaneously spraying the container 10 in spray chamber 1. In spray pipe 2, all valves are open except for the first automatic valve 241 for injecting liquid into buffer tank 22 and the third automatic valve 243 for draining the spray pipe.

[0075] In addition, open the valves on the heat source input pipe 41 and the heat source output pipe 42, and close the valves on the cold source input pipe 43 and the cold source output pipe 44. By injecting steam into the heat source input pipe 41, the steam exchanges heat with the soft water in the spray pipe 2 through the heat exchange device 3. The soft water in the spray pipe 2 is then supplied to the nozzles, thereby spraying the container in the spray chamber.

[0076] 4. Timing begins when the liquid in the spray pipe 2 reaches the set sterilization temperature. When the second temperature sensor 272, located downstream of the heat exchange device 3 in the spray pipe 2, indicates that the soft water in the spray pipe 2 has reached the set temperature, a feedback signal is sent to the PLC to adjust the proportional regulating valve 45 in the heat source / cold source pipe 4 to appropriately reduce the steam input, so as to maintain the soft water in the spray pipe at the set temperature and ensure that the temperature fluctuation does not exceed the threshold.

[0077] 5. When the sterilization timer for the container ends, turn off the heat source, turn on the cold source, and rapidly cool the container. Specifically, close the valves on the heat source inlet pipe 41 and the heat source outlet pipe 42, open the valves on the cold source inlet pipe 43 and the cold source outlet pipe 44, inject cold water so that it exchanges heat with the soft water in the spray pipe 2 through the heat exchange device 3, and continue to spray the container to achieve rapid cooling.

[0078] 6. Once the cooling timer ends, remove the container that has completed the pasteurization process.

[0079] In summary, the beneficial effects of this utility model are as follows: This utility model provides a compact container pasteurization device, which, compared with the existing tunnel pasteurization device, has a compact structure, high thermal energy utilization rate and uniform heating. It is suitable for containers of different sizes and quantities, and has a wide range of application scenarios. It not only greatly improves sterilization efficiency, but also effectively reduces production costs.

[0080] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0081] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0082] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A compact container pasteurization device, characterized in that, include: A spray chamber for holding a container to be pasteurized, and the spray chamber is provided with multiple nozzles; A spray pipe is connected to the nozzle and supplies water to the nozzle to heat or cool the container. The heat source / cold source piping includes a heat source input piping, a heat source output piping, a cold source input piping, and a cold source output piping; A heat exchange device is provided between the spray pipeline and the heat source / cold source pipeline, for exchanging heat between the steam in the heat source pipeline or the cold water in the cold source pipeline and the water in the spray pipeline through the heat exchange pipeline. The heat source input pipeline is connected to the heat source output pipeline through a heat exchange device, and the cold source input pipeline is connected to the cold source output pipeline through a heat exchange device. A proportional regulating valve is installed on the pipeline that connects the heat source input pipeline and the cold source input pipeline to the heat exchange device after they converge.

2. The compact container pasteurization apparatus according to claim 1, characterized in that, The spray chamber includes at least one partition, each partition is equipped with uniformly arranged nozzles and is used to contain the container, and the spray range of the nozzles can cover all containers within the partition.

3. The compact container pasteurization apparatus according to claim 1, characterized in that, The nozzle is capable of moving up and down and / or left and right, adjusting the spray range of the nozzle to cover all the containers.

4. The compact container pasteurization apparatus according to claim 1, characterized in that, The bottom of each compartment of the spray chamber is provided with multiple evenly arranged grid grooves, the size of which is adjustable.

5. The compact container pasteurization apparatus according to claim 1, characterized in that, The spray chamber is also equipped with doors on opposite sides, and the doors are equipped with observation windows.

6. The compact container pasteurization apparatus according to any one of claims 1 to 5, characterized in that, The spray piping includes: a water source, a buffer tank, a pump, and automatic valves one through seven; wherein, The water source is connected to the buffer tank via a first automatic valve; The downstream of the buffer tank is connected to the pump, and the downstream of the pump is connected to multiple nozzles in the upper and lower partitions of the spray chamber via a heat exchange device. A fifth automatic valve and a sixth automatic valve are respectively installed on the pipeline between the heat exchange device and the upper nozzle in the upper partition, and a fourth automatic valve and a seventh automatic valve are respectively installed on the pipeline between the heat exchange device and the lower nozzle in the lower partition. The spray chamber is provided with an upper collection tank and a lower collection tank below the upper and lower partitions, respectively. The bottom of the upper and lower collection tanks are connected to the upstream of the buffer tank through pipelines, and a second automatic valve is provided on the pipeline between the lower collection tank and the buffer tank. A third automatic valve is also installed on the pipeline between the buffer tank and the pump. The third automatic valve is used to drain the water in the spray pipeline after the sterilization process is completed.

7. The compact container pasteurization apparatus according to claim 6, characterized in that, The spray piping also includes: a first manual valve to a fourth manual valve, a first pressure sensor, and a second pressure sensor, wherein... A third manual valve is installed on the pipeline between the upper collection tank and the buffer tank, and a fourth manual valve is installed on the pipeline between the lower collection tank and the buffer tank. A first manual valve and a first pressure sensor are also installed on the pipeline between the heat exchanger and the fourth automatic valve, and a second manual valve and a second pressure sensor are also installed on the pipeline between the heat exchanger and the seventh automatic valve.

8. The compact container pasteurization apparatus according to claim 7, characterized in that, A first temperature sensor is also installed on the pipeline between the third manual valve, the fourth manual valve and the buffer tank. The first temperature sensor is used to monitor the water temperature returning to the buffer tank.

9. The compact container pasteurization apparatus according to any one of claims 1 to 5, characterized in that, The heat source input pipeline is provided with a heat source input terminal, a filter, a first heat source pressure sensor, a heat source pressure reducing valve, a second heat source pressure sensor, and an automatic heat source input valve in sequence from upstream to downstream. The heat source output pipeline is equipped with an automatic heat source output valve and a heat source output end from upstream to downstream. The cold source input pipeline is equipped with a cold source input terminal, a cold source temperature sensor, and a cold source input automatic valve in sequence from upstream to downstream. The cold source output pipeline is equipped with an automatic cold source output valve, a drain valve, and a cold source output terminal in sequence from upstream to downstream.

10. The compact container pasteurization apparatus according to claim 9, characterized in that, The heat source input pipeline also includes a heat source input manual valve, which is located between the heat source input end and the filter; The cold source input pipeline also includes a cold source input manual valve, which is located between the cold source input end and the cold source temperature sensor; The cold source output pipeline also includes a cold source output manual valve, which is located between the drain valve and the cold source output end.

11. The compact container pasteurization apparatus according to claim 9, characterized in that, The proportional regulating valve is located between the cold source input automatic valve and the heat exchange device, and is also located between the heat source input automatic valve and the heat exchange device.

12. The compact container pasteurizer of claim 9, wherein, The upstream and downstream sides of the heat source pressure reducing valve are respectively equipped with a first heat source pressure sensor and a second heat source pressure sensor.

13. The compact container pasteurizer of claim 6, wherein, The water source is supplied with soft water.

14. The compact container pasteurizer of any one of claims 1 to 5, wherein, The proportional control valve is controlled by a PID controller.

15. The compact container pasteurizer of any one of claims 1 to 5, wherein, The spray range of the nozzle can be changed by adjusting the opening of the connected nozzle.

Images