JPH0576328A - High-pressure sterilizer with temperature control function - Google Patents

Abstract

(57) [Summary] [Structure] A high-pressure processing chamber (10) composed of a pressure-resistant cylinder (11), a pressure-resistant upper lid (12), and a pressure-resistant bottom lid (13), and a pressure-applying chamber. The pressure device (20), the food supply pipe (39), the food discharge pipe (49), and the air supply / exhaust pipe (5) that communicate with the high-pressure processing chamber (10).
A high-pressure sterilization apparatus comprising 9) and a food supply pipeline (39) and a food discharge pipeline (49), by providing a heating device (30) on either one or both. Further, the foodstuffs supply pipeline, which is downstream of the heating device (30),
By providing the cooling device (40) on either or both of the (39) and the food product discharge pipeline (49), [Effect] At room temperature, such as liquid food products before being filled in the packaging container. Alternatively, it is a high-pressure sterilization apparatus with a temperature control function that can continuously perform a combined heat sterilization treatment at 100 ° C. or lower in a pre-process or a post-process of a high-pressure sterilization process at a heating temperature of 2000 atm or higher.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-pressure sterilization apparatus having a temperature control function for continuously sterilizing liquid foods or the like before they are filled in a packaging container by pressurizing them to 2000 atm or more. ..

[0002]

2. Description of the Related Art A high-pressure sterilization technique has been developed in which liquid foods such as juices, jams and alcoholic beverages are sterilized by pressurizing them to 2000 atmospheric pressure or more, which does not destroy nutritional components and deteriorate taste. In addition, recently, sterilization treatment is carried out by pressurizing to 2000 atm or more by using heating and freezing together.
High-pressure sterilization technology with a temperature control function that improves the efficiency of high-pressure sterilization has been developed.
Japanese Patent Publication No. 2-182157 discloses a high-pressure sterilization treatment device in which heating means is provided in the high-pressure treatment chamber and heating and pressurization can be used in combination. Further, for example, in JP-A-2-182157, heating a circulated pressure medium is disclosed. Alternatively, a high-pressure sterilization treatment device is disclosed which can use both heating or freezing and pressurization by cooling.

Further, in Japanese Patent Application No. 2-207073 relating to the applicant of the present application, a robust bacterial spore, etc. is obtained by using a heat sterilization treatment at 100 ° C. or lower in a step before or after a high pressure sterilization treatment of 2000 atm or more. It was developed and applied for high-pressure sterilization technology for sterilizing

[0004]

In carrying out the invention of Japanese Patent Application No. 2-207073 relating to the applicant of the present invention, the present invention provides a liquid food product, such as liquid foods, which is not filled in a packaging container.
In the pre-process or post-process of high-pressure sterilization treatment of at least 00 atm, 1
It is a high-pressure sterilization treatment device with a temperature control function that was developed in response to a request to continuously perform heat sterilization treatment at 00 ° C or less. That is, in the high-pressure sterilization apparatus such as the above-mentioned JP-A-2-89598 and JP-A-2-182157, it is possible to perform high-pressure sterilization treatment in combination with heating, but heat sterilization treatment in the pre-process or post-process. Is not suitable for continuous continuous use, and there are problems such as double processing time and the need for a separate heat sterilization processing device. Further, in principle, the above-mentioned conventional high-pressure sterilization treatment apparatus intermittently high-pressure sterilizes the liquid foods and the like filled and sealed in the packaging container.

[0005]

As shown in FIG. 1, a high-pressure sterilization apparatus having a temperature control function according to the present invention has a pressure-resistant cylinder (1
1), a pressure resistant top lid (12) and a pressure resistant bottom lid (13), a high pressure processing chamber (10), and a pressure device (20) for pressurizing the inside of the high pressure processing chamber (10).
And a high-pressure sterilization apparatus comprising a food supply pipe (39), a food discharge pipe (49), and an air supply / exhaust pipe (59) that communicate with the high-pressure processing chamber (10). A heating device (3) is provided on either or both of the supply line (39) and the food discharge line (49).
By providing the (0), also on the downstream side of the heating device (30), in one of the food supply pipeline (39) and the food discharge pipeline (49), Or both with cooling devices (4
By providing (0), it is desired to continuously perform heat sterilization treatment at 100 ° C. or lower in a pre-process or a post-process of high-pressure sterilization treatment of 2000 atm or more for liquid foods or the like before being filled in a packaging container. In response to the request.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view showing the construction of a high-pressure sterilization apparatus with a temperature adjusting function in an embodiment of the present invention.

In the high pressure processing chamber (10) of this embodiment, a pressure resistant cylinder (11), a pressure resistant upper lid (12) and a pressure resistant bottom lid (13) are made of thick metal.
It has the strength to withstand pressurization of 2000 to 7000 atm and the liquid tightness, and the internal volume is about 6.0 L. The pressure resistant lid (12) has a bellows (2
1) and the pressurized water supply / drainage line (29) and the air supply / exhaust line (59)
The pressure-resistant bottom cover (13) is provided with a pressure-resistant liquid-tight seal so that the food supply line (39) and the food discharge line (49) communicate with the high-pressure processing chamber (10). There is. In addition, although one high pressure processing chamber (10) is illustrated in FIG. 1, only a plurality of high pressure processing chambers (10) are installed (a pressurizing device described later is commonly used.
), By shifting the timing in order and applying pressure,
Liquid foods and the like before being filled in a packaging container can be continuously subjected to high-pressure sterilization treatment.

The pressurizing device (20) of this embodiment is a bellows (21, bellows type pressurizer, Teflon resin) which vertically expands and contracts in the high pressure processing chamber (10) to pressurize the high pressure processing chamber (10). (Made)
A pressure pump (22) such as an ultra multi-stage turbine pump, a water tank (23), a pressurized water supply / drainage line (29), and a pressure resistant valve (24, 25,
26, 27), and has the ability to pressurize ion-exchanged water, which is pressurized water, to 2000 to 7000 atm and the pressure-resistant liquid sealing property, and the pressurized water supply capacity is about 0.6 L / min. Is.

Regarding the method of supplying pressurized water into the bellows (21) of this embodiment, the pressure resistant valve (25) is opened with the pressure resistant valve (24) open and the pressure pump (22) is operated. With pressure valve (26)
To open the pressure supply valve (25) and open the pressure resistance valve (27) to open the bellows (21).
The pressurized water inside is drained to the water supply tank (23). In this case, for the safety of the pressurized water reaching 2000 to 7000 atm and the prevention of malfunction, an appropriate pressure regulating valve, flow rate regulating valve, interlock mechanism, etc., which are not shown, are provided. In this embodiment, four high pressure processing chambers (10)
In addition, a branch pipe (28) is provided between the pressure resistant valve (24) and the pressure resistant valve (25), and the other three high pressure processing chambers (10) not shown are also provided. , The pressurized water supply / drainage line (29) from the branch line (28) to the water supply tank (23) and the pressure resistant valve (25, 26, 2)
7) are provided respectively.

Regarding the food supply pipe (39) of this embodiment, a supply pump (31) such as a plunger pump suitable for the properties of solids contained in liquid foods and a heating device (30) described later. ) And a cooling device (40), a supply hopper (32) for liquid foods, a food supply line (39), and a supply valve (33, 34)
And the check valve (35), the supply valve (34) with the supply valve (33) opened and the supply pump (31) operating.
To open the check valve for liquid foods, etc. before high pressure sterilization.
It is to be supplied into the high-pressure processing chamber (10) via (35), and the supply capacity for liquid foods is about 6.0 L / min.

As for the food discharge pipe (49) of this embodiment, a transport pump (41) such as a plunger pump suitable for the properties of solids contained in liquid foods and a heating device (30) described later. ) And a cooling device (40), a sterile tank (42) for liquid foods and the like having a sterile air pipe (43) with a pressure regulating valve and a steam pipe (44) for sterilization cleaning, and a food product discharge pipeline. (49), a discharge valve (45, 46) and a check valve (47),
By opening the discharge valve (45) and using the air pressure in the air supply / exhaust pipe line (59), which will be described later, liquid foods, etc. after high-pressure sterilization are passed into the surge tank (42) via the check valve (47). After discharging
The discharge valve (46) is opened and the transfer pump (41) is operated to transfer to the aseptic packaging and filling machine in the next step.

Regarding the air supply / exhaust pipe line (59) of the present embodiment, a medium pressure air compressor (50) having a sterilizing filter (51) such as a pepper filter, and a steam pipe (52) for sterilizing and cleaning.
And an air supply / exhaust pipe line (59), an air valve (53, 54, 55, 56, 57) and a check valve (58), which can be used for liquid foods before high pressure sterilization. When supplying into the high pressure processing chamber (10),
The air valve (53) and the air valve (54) are opened, and the sterile air in the high-pressure processing chamber (10) is exhausted via the check valve (58). High pressure processing room for food etc. (10)
When discharging from the inside, open the air valve (56) and operate the air compressor (50), open the air valve (53) and the air valve (55), and remove the sterilization filter (51). Aseptic air of about 1.0 atm under pressure is supplied into the high-pressure processing chamber (10) via the air, and the liquid pressure is discharged into the surge tank (42) by the air pressure, and at the same time, the bellows ( The pressurized water that slightly remains inside 21) is discharged to the water supply tank (23). In addition, a part of this medium-pressure sterile air is depressurized (not shown) to supply the sterile air pipe (43) of the surge tank (42) to the surge tank (42).
The inner headspace is always kept sterile.

Further, the steam pipe (5
Regarding 2), before or at the end of the high-pressure sterilization process, the inside of the high-pressure process chamber (10) and all downstream devices and pipes are sterilized or cleaned, and the air valve (53) and Open the air valve (55) and the air valve (57), supply saturated steam of about 2.0 atm from the steam pipe (52), heat sterilize the inside of the high pressure processing chamber (10), etc. Sterile water of about 2.0 atm is supplied from the steam pipe (52) to the liquid foods and the like, which are slightly left behind, for cleaning. For the same purpose, the surge tank (42) is provided with a steam pipe (44) for sterilizing and cleaning.

In this embodiment, in order to correspond to the above-mentioned four high pressure processing chambers (10), the above-mentioned pressurizing device (2
As in the case of (0), the branch pipeline (28) shown in FIG. 1 is provided to each of the food supply pipeline (39), the food discharge pipeline (49), and the air supply / exhaust pipeline (59). The other three high-pressure processing chambers (10), which are not shown, are provided with the foods supply pipeline (39) and the supply valve (34) downstream of the branch pipeline (28). Check valve (3
5) and the food discharge line upstream from the branch line (28)
(49), the discharge valve (45) and the check valve (47), and the branch pipe (2
8) Air supply / exhaust line (59) and air valves (53, 54, 55) downstream from
A check valve (58) and a check valve (58) are provided corresponding to each high-pressure processing chamber (10).

Here, the procedure of the high-pressure sterilization operation in the high-pressure sterilization apparatus of this embodiment is summarized as follows. It should be noted that the description of closing the valves and stopping the pump etc. after the procedure is omitted. Open the air valve (53, 55, 57) and the exhaust valve (45, 46 or 75), supply saturated steam from the steam pipe (52), and supply the saturated steam to the high pressure processing chamber (10) and its downstream side. Heat sterilize all equipment and lines, the sterilization procedure is completed in about 30 minutes. Open the air valve (53, 55, 56) and the discharge valve (45, 46 or 75) and operate the air compressor (50) to supply aseptic air to the high pressure processing chamber (10). And replace all equipment and pipes on the downstream side with sterile air, then open the pressure resistant valves (26, 27) and close the discharge valve (45) to ensure that the high pressure processing chamber (10) is sterile. This displacement drainage procedure, which drains the pressurized water remaining in the bellows (21) by air pressure, is completed in about 10 minutes. Open the supply valves (33, 34) and air valves (53, 54) and operate the supply pump (31) to supply liquid foods, etc. before high-pressure sterilization into the high-pressure treatment chamber (10). At the same time, high pressure processing room
Completely evacuate the sterile air in (10). This supply / evacuation procedure is completed in about 2 minutes. The supply valve (34), the discharge valve (45), and the air valve (53) are closed, the pressure resistant valves (24, 25, 26) are opened, and the pressurizing pump (22) is operated to operate the bellows (21). Supply pressurized water into the bellows (21)
Is extended to pressurize the inside of the high-pressure treatment chamber (10), and this high-pressure sterilization treatment is completed in about 10 to 20 minutes. Open the exhaust valve (45), pressure resistant valve (26, 27) and air valve (53, 55, 56), operate the air compressor (50) and supply sterile air to the high pressure processing chamber. By aseptic air pressure in (10), liquid foods etc. after high-pressure sterilization are discharged into the surge tank (42), and at the same time, the pressurized water remaining in the bellows (21) is drained. It will be finished in 3 minutes. The cycle of the high-pressure sterilization operation, which is the repetition of the supply / exhaust procedure, the high-pressure sterilization procedure, and the discharge / drainage procedure, is completed in about 15 to 25 minutes. Therefore, the high pressure processing chamber
Liquid foods and the like can be continuously subjected to high-pressure sterilization treatment by arranging only (10) in a complicated manner and repeating the procedure after shifting the timing by 5 minutes, for example. Open the air valve (53, 55, 57) and the discharge valve (45, 46 or 75) and supply sterile water from the steam pipe (52) to the high pressure processing chamber.
(10) and all the downstream equipment and liquid foods slightly remaining in the pipelines are washed and cleaned, and this cleaning procedure is completed in about 10 minutes.

FIG. 2 is an explanatory view showing the constitution of the heating device (30) and the cooling device (40) in the high-pressure sterilization apparatus with temperature control function of the embodiment of the present invention.

A heating device (30) is provided in either or both of the food supply line (39) and the food discharge line (49) of the present invention.
Regarding the provision of the above, it is provided in order to carry out the invention of Japanese Patent Application No. 2-207073 relating to the applicant of the present application.
When performing a heat sterilization treatment at 100 ° C or less in the previous step of the high pressure sterilization treatment of 0 atm or more, the food supply pipeline (39)
In addition, in the post process of high pressure sterilization treatment of 2000 atm or more, 1
When heat sterilization treatment at a temperature of 00 ° C or less is also used, the foods discharge pipeline (49) is further heated at a temperature of 70 ° C or less.
When heat sterilization treatment at 100 ° C or less is also performed in the post-process of high-pressure sterilization treatment of 000 atm or more, the food supply pipeline (3
Both the 9) and the food discharge pipeline (49) are provided as needed.

Further, on the downstream side of the heating device (30) of the present invention, a cooling device is provided in either one or both of the food supply pipeline (39) and the food discharge pipeline (49). As for the provision of (40), in the case where heat sterilization treatment at 100 ° C or lower is also performed in the pre-process of high-pressure sterilization treatment at room temperature or at a temperature of 2000 atm or higher, the food supply pipeline (39 ), And if the subsequent step is a heat sterilization treatment of 100 ° C. or lower or a high pressure sterilization treatment of 2000 atm or higher in combination with heating of 70 ° C. or lower, and cooling is required in the aseptic packaging and filling machine in the next step, etc. The food discharge pipes (49) are provided as needed.

The heating device (30) and cooling device (40) of this embodiment
For food supply pipelines (39) and food discharge pipelines (49)
As shown in FIG. 2, a preheater (61) having the same shape, such as a double multi-tube heat exchanger, which is suitable for the properties of solids contained in liquid foods, etc. Heater (62), cooler (63), bent cylindrical holding pipe (64) with internal volume of about 18L, steam pipe (65), cooling water pipe (66), heating cooling pipe line (67) and heating Cooling valve (68,69,70,71,72,73,74,7
5,76,77), which is operated by the feed pump (31) such as the plunger pump or the transport pump (41), and is a liquid food product before or after high-pressure sterilization treatment. It is a material for which heat sterilization treatment and cooling treatment are performed on the kind and the like. In this case, in order to control the temperature and time of the heat sterilization process or the temperature of the cooling process, an appropriate temperature detector (not shown), a flow rate control valve, its control mechanism, etc. are provided. In addition, in the present embodiment, the double shell and tube heat exchanger was used for the preheater (61), the heater (62) and the cooler (63), but the properties such as liquid foods and liquid foods, etc. If the equipment is suitable for the properties of the solid matter contained in, plate type heat exchangers and cylindrical scraping surface heat exchangers and electrothermal or electromagnetic heaters,
It can be used without restriction.

Here, in the heating device (30) and the cooling device (40) of the present embodiment, high-pressure sterilization treatment at 30 ° C. (normal temperature) or 60 ° C. (heating) and heating at 90 ° C., for example. The procedure of the high-pressure sterilization work with temperature control function when the sterilization treatment and the aseptic packaging and filling at 30 ° C (normal temperature) are combined is summarized as follows. It should be noted that the description of the time for the high pressure sterilization treatment and the heat sterilization treatment, the closing of the valves and the stop of the pump during the procedure are omitted. Open the heating / cooling valve (68,69,71,73) and supply pump (3
By operating 1), high-pressure sterilization at room temperature is possible after heat sterilization at 90 ° C. That is, 3
0 ℃ supply → 60 ℃ preheat → 90 ℃ heat sterilization → 60 ℃ precool →
Cooling at 30 ° C → high pressure sterilization at 30 ° C → filling at 30 ° C. Heating and cooling valves (68,69,71,74,75,77) are opened, and the supply pump (31) and the transfer pump (41) are operated to heat the sterilization treatment at 90 ° C. It is possible to perform high-pressure sterilization treatment at room temperature and aseptic packaging and filling at room temperature. That is, 30
℃ supply → 60 ℃ preheat → 90 ℃ heat sterilization → 60 ℃ precool → 6
0 ° C. high pressure sterilization → 30 ° C. cooling → 30 ° C. filling. By opening the heating and cooling valves (75, 76) and operating the transfer pump (41), 90
Heat sterilization at ℃ and aseptic packaging and filling at room temperature are possible. That is, 30 ° C. supply → 30 ° C. high pressure sterilization → 60 ° C. preheating → 90 ° C. heat sterilization → 60 ° C. pre-cooling → 30 ° C. cooling → 30 ° C.
Filling. By opening the heating and cooling valves (68, 70, 72, 74, 75, 76) and operating the supply pump (31) and the transfer pump (41), 90 ° C after high-pressure sterilization treatment by heating. It is possible to sterilize by heat treatment and aseptic packaging and filling at room temperature. That is, 30
℃ supply → 60 ℃ heating → 60 ℃ high pressure sterilization → 75 ℃ preheating → 9
Heat sterilization at 0 ° C → precooling at 75 ° C → cooling at 30 ° C → filling at 30 ° C. By opening the heating / cooling valves (68, 70, 72, 74, 75, 77) and operating the supply pump (31) and the transfer pump (41), high-pressure sterilization treatment by heating and normal temperature Aseptic packaging and filling is possible. That is, 30 ° C supply → 60 ° C heating → 60 ° C
High-pressure sterilization → 30 ° C. cooling → 30 ° C. filling.

[0021]

[Function] As described above in the procedure of the high-pressure sterilization work with temperature control function of the present embodiment, according to the heating device (30) and the cooling device (40) of the present embodiment, the liquid before filling the packaging container The heat sterilization treatment at 100 ° C. or lower can be continuously performed in combination in the pre-process or the post-process of the high-pressure sterilization treatment of 2000 atm or more for foods and the like. That is, room temperature (30 ° C)
Preheat (60 ℃) liquid foods, etc. from the preheater (61).
), And supply saturated steam of about 2.0 atm with the heater (62) to heat it to, for example, 90 ° C., and hold pipe (64)
After heating and sterilizing by holding for a certain time in the preheater (6
It is precooled (60 ° C.) via 1) and supplied with cooling water of about 5 ° C. by a cooler (63) to cool it to, for example, 30 ° C.
In this case, the heating temperature and cooling temperature should be set to saturated steam or cooling water that is commensurate with the feed rate or feed rate of the feed pump (31) or the feed pump (41) (about 6.0 L / min each). It can be set freely by adjusting the supply amount. In addition, in order to prevent adverse effects due to overheating or overcooling of liquid foods or the like remaining in the heater (62) or the cooler (63) that is a double-pipe heat exchanger, a supply pump Supply of saturated steam or cooling water is started at the same time as the operation of (31) or the transfer pump (41), and saturated steam or cooling water is supplied a few seconds before the supply pump (31) or transfer pump (41) is stopped. Is preferably stopped.

In the case of this embodiment, the high pressure processing chamber (10)
Using a bent cylindrical holding pipe (64) with an internal volume of about 18 L, which is three times the internal volume of about 6.0 L, as shown in the procedure of the high-pressure sterilization process described above, for example, 4 In the case of continuous high-pressure sterilization treatment in which individual high-pressure treatment chambers (10) are installed and timings are shifted by 5 minutes and the supply / exhaust procedure of liquid foods, high-pressure sterilization procedure and discharge / drainage procedure are repeated, The heat sterilization treatment at 100 ° C. or less while maintaining the heat sterilization treatment time for one minute can be continuously performed in combination. It should be noted that 70 ° C, which is shown in the procedure and procedure of the high-pressure sterilization work with the temperature control function,
In the case of high pressure sterilization treatment of 2000 atm or more using the following heating together, the heating and cooling valve (72) is opened, and liquid foods etc. are not passed through the holding pipe (64) but the high pressure treatment chamber (10). To supply.

[0023]

As shown in the above examples and operations, the high-pressure sterilization apparatus with temperature control function of the present invention has a pressure of 2000 atm at room temperature or heating such as liquid foods before being filled in a packaging container. In the pre-process or post-process of the above high-pressure sterilization treatment, heat sterilization treatment at 100 ° C. or less can be continuously carried out in combination, and Japanese Patent Application No. 2-207073 of the present applicant
In the preservation of neutral foods, which has strong resistance to high-pressure sterilization treatment of 10000 atm or higher and requires heat sterilization treatment of 100 ° C or higher that destroys nutritional components and deteriorates taste, as shown in the invention of No. It is intended to provide a high-pressure sterilization apparatus having a temperature control function for continuously and efficiently sterilizing a robust bacterial spore, which has been a problem.

Further, as shown in the examples, in the high-pressure sterilization apparatus with temperature control function of the present invention, by installing a plurality of high-pressure processing chambers (10), the timing of supply and discharge of liquid foods, etc. It is possible to perform high-pressure sterilization treatment continuously by shifting, and before starting or at the end of high-pressure sterilization treatment work, by supplying saturated steam or sterile water from the steam pipe (52), the high-pressure treatment chamber ( 10) All devices and pipelines inside and downstream of them can be easily sterilized or cleaned, and after sterilization or cleaning, air supply and exhaust pipelines
By supplying sterile air from (59),
(10) Plunger pump that can keep all devices and pipelines inside and downstream in a sterile state at all times, and that is suitable for the properties of solids contained in liquid foods (
(31, 41) and double multitubular heat exchangers (61, 62, 63) are used, so that obstacles such as blockage of the pipeline during high-pressure sterilization can be prevented.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration of a high-pressure sterilization apparatus with a temperature adjusting function in an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the configurations of a heating device (30) and a cooling device (40) in the high-pressure sterilization apparatus with a temperature adjusting function according to the embodiment of the present invention.

[Explanation of symbols]

 10 ... High-pressure processing chamber 11 ... Pressure-resistant cylinder 12 ... Pressure-resistant upper lid 13 ... Pressure-resistant bottom lid 20 ... Pressurizing device 21 ... Bellows 22 ... Pressurizing pump 23 ... Water supply tank 24, 25, 26, 27 ... Pressure-resistant valve 28 ... Branch pipe line 29 ... Pressurized water supply / drainage line 30 ... Heating device 31 ... Supply pump 32 ... Supply hopper 33, 34 ... Supply valve 35, 47, 58 ... Check valve 39 ... Food product supply line 40 ... Cooling device 41 ... Conveyance pump 42 ... Surge tank 43 ... Aseptic air pipe 44 ... Steam pipe 45, 46 ... Discharge valve 49 ... Food discharge pipe 50 ... Air compressor 51 ... Sterilization filter 52, 65 ... Steam pipe 53, 54, 55, 56, 57 ... Air valve 59 ... Air supply / exhaust pipeline 61 ... Preheater 62 ... Heater 63 ... Cooler 64 ... Holding pipe 66 ... Cooling water pipe 67 ... Heating / cooling pipeline 68, 69, 0, 71, 72 ... heating and cooling valve 73, 74, 75, 76, 77 ... heating and cooling valves

Claims (2)

[Claims] 1. A high-pressure processing chamber composed of a pressure-resistant cylinder, a pressure-resistant upper lid, and a pressure-resistant bottom lid, and a pressure device for pressurizing the high-pressure processing chamber.
A high-pressure sterilization treatment device comprising a food supply pipeline, a food discharge pipeline, and an air supply / exhaust pipeline that communicate with the high-pressure processing chamber, and either one of the food supply pipeline and the food discharge pipeline A high-pressure sterilization treatment device with a temperature control function, characterized in that a heating device is provided in either or both. 2. A cooling device is provided on the downstream side of the heating device and on either or both of the food product supply pipe and the food product discharge pipe. The high-pressure sterilization apparatus with a temperature control function according to claim 1.