KR102001802B1 - Energy saving type retort sterilization apparatus - Google Patents

Abstract

According to the present invention, as the hot water storage tank and the cold water storage tank installed in the hydrothermal retort sterilizer are additionally applied to the spray type retort sterilizer, the time required for sterilization and cooling can be shortened. It relates to an energy saving retort sterilizer.
Energy-saving retort sterilization apparatus according to the present invention, the retort food is injected through the basket and both sides of the sterilization tank and the injection nozzle is installed, the hot water storage tank in which the hot water to be supplied to the injection nozzle of the sterilization tank is stored therein; A hot water circulation pipe connecting the sterilization tank and the hot water storage tank to each other and supplying hot water in the hot water storage tank to the sterilization tank and providing hot water in the sterilization tank to the hot water storage tank again. And a cold water storage tank storing cold water to be supplied to the injection nozzle of the sterilization tank, and connecting the sterilization tank and the cold water storage tank to each other, supplying cold water in the cold water storage tank to the sterilization tank, and cold water in the sterilization tank. A plurality of cold water control valve is installed to provide the back to the cold water storage tank and the hot water circulation pipe A cold water circulation pipe branch which is branched to a furnace and partially overlaps with the hot water circulation pipe line, a pump installed at an overlapping portion of the hot water circulation pipe line and the cold water circulation pipe line, and installed in an overlapping portion of the hot water circulation pipe line and the cold water circulation pipe line And a heat exchanger configured to exchange heat with each other while the hot water or cold water flows through one side and the steam or cooling water flows through the other side, and a controller controlling the pump, the hot water control valve, and the cold water control valve.

Description

Energy Saving Retort Sterilizer {ENERGY SAVING TYPE RETORT STERILIZATION APPARATUS}

The present invention relates to an energy-saving retort sterilizing apparatus, and more particularly, a retort is made by sequentially supplying hot water for sterilizing a Retrot product and supplying cold water for cooling the Retrot product into a sterilization tank into which the Retrot product is added. A retort sterilization apparatus in which a product is sterilized.

Generally, drinks such as coffee or foods such as meat are put into an airtight container such as a can, a bottle, a pouch, or the like, and then sterilized under a high temperature atmosphere for a predetermined time, which is called a retort food.

Retort foods essentially include sterilization, which kills bacteria that produce harmful toxins such as, for example, botulin (botulinums).

Such sterilization is usually carried out in a basket containing a plurality of retort products, such as coffee or food such as meat sealed in the basket, and then put into a sterilization tank, and then supply and circulate the high-temperature high-temperature heating medium into the sterilization tank to provide a retort product It is preferable that the heat treatment is performed for a predetermined time in a high temperature atmosphere of about 121 ° C.

The retort sterilizer is a sterilization tank through which high temperature and high pressure steam is supplied and circulated for sterilization of Retrot products, a sterilization tank installed at one side of the sterilization tank, a door to open and close the sterilization tank, and a plurality of retorts to be sterilized. A basket on which the product is mounted and put into the sterilization tank, a door opening and closing mechanism for opening and closing the door to the sterilization tank, a hot water supply unit for supplying hot water for sterilization into the sterilization tank, and a cold water supply for supplying cold water into the sterilization tank. It includes a unit.

The retort sterilizer is a hot water retort sterilizer which is filled with hot water and is sterilized by filling hot water into the sterilization tank by a hot water supply unit including a large hot water tank having the same capacity as the sterilization tank, and spraying hot water into the sterilization tank. It is largely classified into a spray type retort sterilizer which is sterilized by a hot water supply unit.

As an example of a hydrothermal retort sterilizer, Korean Utility Model Publication No. 20-1987-0009284 (published July 7, 1987) provides an inlet pipe and a drain pipe at the top and bottom of the sterilization pot, but connects the inlet pipe and the drain pipe. A retort sterilization apparatus is provided in which a water supply pipe of a storage tank is connected to a storage tank, and a perforated plate is elongated in an upper end of a sterilization pot communicating with lower ends of the inflow pipes.

In addition, as another example of a hydrothermal retort sterilization apparatus, Korean Patent Publication No. 10-2010-0134842 (published on December 24, 2010) includes a cold water heat tank provided to store cold water supplied from a water supply pipe including a water supply pump; A cold water heating line piped to heat the cold water stored in the cold water heating tank to hot hot water by using steam supplied from a steam supply unit; The hot water heated from the cold water tank is supplied to be stored through the hot water supply unit, and the front door is provided with a sealed door for opening and closing, and a basket containing food packaged in an airtight container is mounted therein. A sterilization tank including a rotating body which is rotated by a driving motor which is corresponding to an application; A fixing means installed in the rotating body of the sterilization tank, the holding means including a pressurized cylinder for actuating and fixing by either hydraulic or high pressure by mounting a basket containing food packaged in an airtight container; A recovery line for recovering hot water from the sterilization tank to a cold water heating tank according to completion of sterilization of the food packaged in an airtight container; A cold water supply line provided to supply cold water to the sterilization tank to quickly cool the food packaged in the airtight container as the treated water of the sterilization tank is drained; A sterilization tank drain line provided to discharge the cold water supplied to the sterilization tank through the cold water supply line; Disclosed is a sterilization apparatus for a retort food comprising a water supply pump, a control unit provided to control the respective lines, the steam supply unit, the hot water supply unit, and the fixing means.

However, in the case of the conventional hydrothermal retort sterilizer described above, it takes considerable energy and time to fill the sterilization tank with hot water to form a relatively high temperature sterilization condition of 121 ° C. or to fill the sterilization tank with cold water to form cooling conditions. There was a problem.

In addition, as an example of a hydrothermal retort sterilizer, Korean Patent Publication No. 10-1996-0705593 (published on Nov. 08, 1996) includes a sterilization container having a cylindrical shape, and is rotatable about a rotation axis in a horizontal direction inside the sterilization container. A plurality of spray nozzles installed on the rotating housing, aiming at a gap between the rotating housing for supporting and stacking the tray on which the product is installed, the rotating drive source for reversely rotating the rotating housing, and the stacked tray; . A media supply port and a hot air supply port, which are in close contact with the inlet port, are installed to be insulated in a vertical plane containing the inlet port installed in the rotary housing in communication with each spray nozzle and the rotational track of the inlet port of the sterilization container, and the hot air supply port. And a hot air supply device for supplying hot air to the air, and an exhaust device for discharging the hot air introduced into the rotary housing to the outside of the sterilization container. The tray is kept horizontal and the inlet is brought into close contact with the medium supply port, and the medium supply port is heated. After supplying the medium and the cooling medium in the order of the heating medium and the cooling medium, the rotating housing is rotated to maintain the tray vertically. In this state, the inlet is brought into close contact with the hot air supply and the hot air from the hot air device into the rotating housing. Spray sterilization apparatus is characterized in that for supplying, and discharging it out of the sterilization container from the exhaust device.

However, in the case of the conventional spraying retort sterilizer described above, the injection nozzle is installed only at a specific part such as both sides front and rear of the basket, and there is a problem that the temperature deviation is severely generated.

1. Republic of Korea Utility Model Publication No. 20-1987-0009284 (published Jul. 7, 1987) 2. Republic of Korea Patent Publication No. 10-2010-0134842 (published Dec. 24, 2010) 3. Republic of Korea Patent Publication No. 10-1996-0705593 (published Nov. 8, 1996)

Therefore, the present invention has been made to solve the above-described problems of the prior art, the energy is reduced as the hot water storage tank and the cold water storage tank installed in the hydrothermal retort sterilization apparatus is additionally applied to the spray type retort sterilizer It is also based on the task of providing an energy-saving retort sterilizer which can reduce the time required for sterilization and cooling.

In addition, the present invention is an energy-saving retort sterilization apparatus that can be relatively uniformly sprayed hot and cold water in the sterilization tank as the number of injection nozzles increase by changing the arrangement of the injection nozzle Based on the task you provide.

The above-mentioned object of the present invention is a sterilization tank in which a retort food is introduced through a basket and spray nozzles are installed at both sides, a hot water storage tank in which hot water to be supplied to the spray nozzles of the sterilization tank is stored therein, and the sterilization tank. And a hot water circulation pipe connecting a hot water storage tank to each other, and supplying hot water in the hot water storage tank to the sterilization tank and providing a plurality of hot water control valves to supply the hot water in the sterilization tank to the hot water storage tank. Cold water storage tank for storing cold water to be supplied to the injection nozzle of the sterilization tank, the sterilization tank and the cold water storage tank is connected to each other and supply the cold water in the cold water storage tank to the sterilization tank and the cold water in the sterilization tank again A plurality of cold water control valve is installed to provide a cold water storage tank and is branched to the hot water circulation pipe to the A cold water circulation pipe part partially overlapping with a water circulation pipe path, a pump installed at an overlapping portion of the hot water circulation pipe line and the cold water circulation pipe path, and an overlapping portion of the hot water circulation pipe line and the cold water circulation pipe line, It is achieved by providing an energy-saving retort sterilizer comprising a heat exchanger that flows hot water or cold water through and heat exchanges with each other while steam or cool water flows through, and a controller controlling the pump, the hot water control valve and the cold water control valve. do.

According to a preferred feature of the invention, the injection nozzle is vertically spaced vertically spaced apart by at least four rows per entire length of the basket on both sides of the sterilization tank, the tray in the basket in the longitudinal direction of the vertical pipe portion Each nozzle includes a nozzle portion that is spaced apart correspondingly.

According to a preferred feature of the invention, the hot water storage tank and the cold water storage tank has a capacity corresponding to 0.1 to 0.3 times the capacity of the sterilization tank is installed on top of the sterilization tank.

According to a preferred feature of the invention, the heat exchanger is formed of a plate heat exchanger and the other side is connected to the steam supply pipe for supplying steam from the top to the bottom and the cooling water supply pipe for supplying cooling water from the bottom to the top.

According to a preferred feature of the invention, the hot water control valve is provided on the hot water circulation pipe passage, the first control valve is installed on the discharge side of the hot water storage tank, and the second is installed between the hot water storage tank and the pump. A control valve, a third control valve installed between the heat exchanger and the inflow side of the sterilization tank, a fourth control valve installed between the discharge side of the sterilization tank and the heat exchanger, the heat exchanger and the hot water storage tank And a fifth and a sixth control valve installed between the inflow side of the.

According to a preferred feature of the invention, the cold water control valve is provided on the cold water circulation pipe passage, the seventh control valve is provided on the discharge side of the cold water storage tank, and the second, third, fourth and fifth control And an eighth control valve installed between the heat exchanger and the inflow side of the cold water storage tank.

According to the energy-saving retort sterilizer according to the present invention, the pre-heating in a small hot water storage tank as the hot water storage tank and the cold water storage tank installed in the hydrothermal retort sterilizer are additionally applied to the spray type retort sterilizer. The hot water is heated to a high temperature in the heat exchanger and the cold water in the small cold water storage tank is cooled to low temperature while flowing through the heat exchanger, thereby saving energy and reducing the time required for sterilization and cooling. There is an advantage.

In addition, according to the energy-saving retort sterilizing apparatus according to the present invention, the spray nozzles are arranged at least four rows on both sides of the basket on which the tray is loaded so that the hot water and cold water can be sprayed relatively uniformly in the sterilization tank as the number of the spray nozzles is doubled. This has the advantage that the temperature deviation in the sterilization tank can be significantly reduced.

1 is a schematic structural diagram of an energy saving retort sterilizing apparatus according to an embodiment of the present invention.
Figure 2 is an energy-saving retort sterilization apparatus according to an embodiment of the present invention, the arrangement of the injection nozzle.
Figure 3 is an operation of the supply and discharge of hot water in the energy saving retort sterilization apparatus according to an embodiment of the present invention.
Figure 4 is an operation of the supply and discharge of cold water in the energy saving retort sterilizer according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, this is only to describe in detail enough to be able to easily carry out the invention by those skilled in the art, which does not mean that the technical spirit and scope of the present invention is limited.

Energy saving type retort sterilization apparatus in one embodiment of the present invention, as shown in Figure 1 to 4, the retort food is put through the basket 13 and the sterilization tank 10 is installed in the injection nozzle 15 on both sides And, the hot water storage tank 20 in which the hot water to be supplied to the injection nozzle 15 of the sterilization tank 10 is stored therein, and the sterilization tank 10 and the hot water storage tank 20 are connected to each other and the hot water storage tank ( 20, a hot water circulation pipe 30 in which a plurality of hot water control valves are installed to supply hot water in the sterilization tank 10 and provide hot water in the sterilization tank 10 back to the hot water storage tank 20, and a sterilization tank ( The cold water storage tank 40 and the sterilization tank 10 and the cold water storage tank 40 to store the cold water to be supplied to the injection nozzle 15 of 10) are connected to each other and sterilize the cold water in the cold water storage tank 40 A plurality of cold water to supply to the (10) and to provide the cold water in the sterilization tank (10) back to the cold water storage tank (40) An air valve is installed and branched to the hot water circulation pipe line 30 so that the cold water circulation pipe line 50 partially overlaps with the hot water circulation pipe line 30, and an overlapping portion of the hot water circulation pipe line 30 and the cold water circulation pipe line 50. The heat exchanger is installed at the pump 60 and the hot water circulation pipe line 30 and the cold water circulation pipe line 50 which are installed at an overlapping portion, and the hot water or cold water flows through one side and the steam or cooling water flows through the other side. And a controller 80 for controlling the pump 70, the hot water control valve and the cold water control valve.

Here, the sterilization tank 10 forms a sterilization treatment space in which the retort food is introduced into and sterilized.

One side of the sterilization tank 10 is provided with a door 11 for opening and closing of the sterilization tank 10, the basket 13, the retort food is mounted through the multi-stage tray inside the sterilization tank (10) The drawer is retractable, and both sides of the sterilization tank 10 are provided with injection nozzles 15 for spraying hot water for sterilization or cold water for cooling with retort food mounted in the basket 13.

The injection nozzle 15 is a retort food mounted on the basket 13 to uniformly inject hot water for sterilization or cold water for cooling treatment as uniformly as possible so that an internal temperature deviation does not occur, as shown in FIG. 2. Corresponding to the trays in the basket 13 in the longitudinal direction of the vertical pipe portion 15a and vertically spaced vertically spaced apart by four or more rows per one full length of the basket 13 on both sides of the inside of the (10). It includes a nozzle portion 15b spaced apart so as to protrude.

The hot water to be supplied to the spray nozzle 15 of the sterilization tank 10 described above is stored in the hot water storage tank 20. The hydrothermal storage tank 20 does not have the same capacity as the sterilization tank 10 like a conventional hydrothermal retort sterilizer, but has a capacity corresponding to 0.1 to 0.3 times, particularly 0.2 times, the capacity of the sterilization tank 10. Preferably, it is installed on top of the sterilization tank (10).

The hot water storage tank 20 is heated and stored at a high temperature in advance before being sprayed through the injection nozzle 15 of the sterilization tank 10, so that the hot water is rapidly heated in the heat exchanger 70 to be sterilized. By allowing a suitable temperature of 120 ° C. or higher to be rapidly heated to a temperature, in one embodiment of the present invention serves to increase the overall energy efficiency of the energy saving retort sterilizer.

In the hot water storage tank 20, a heater for heating and maintaining the hot water inside at a predetermined temperature may be installed, and the outer wall of the hot water storage tank 20 is preferably insulated.

The aforementioned sterilization tank 10 and the above-described hot water storage tank 20 are connected to each other by a hot water circulation pipe 30. The hot water circulation pipe 30 is a sterilization tank 10 and hot water storage so that the hot water in the hot water storage tank 20 is supplied to the sterilization tank 10 and the hot water in the sterilization tank 10 is provided to the hot water storage tank 20 again. By circulating between the tanks 20, a plurality of hot water control valves are installed.

As shown in FIG. 3, the hot water control valve installed on the hot water circulation pipe path 30 includes a first control valve 31 and a hot water storage tank 20 installed at a discharge side of the hot water storage tank 20. And a second control valve 32 installed between the pump 60 and the third control valve 33 provided between the heat exchanger 70 and the inflow side of the sterilization tank 10 and the sterilization tank 10. Fourth control valve 34 installed between the discharge side of the heat exchanger and the heat exchanger 70, and fifth and sixth control valves 35 installed between the heat exchanger 70 and the inlet side of the hot water storage tank 20. , 36).

The cold water to be supplied to the spray nozzle 15 of the sterilization tank 10 described above is stored in the cold water storage tank 40. Cold water storage tank 40 preferably has a capacity corresponding to 0.1 to 0.3 times, particularly 0.2 times the capacity of the sterilization tank 10, like the above-described hot water storage tank 20, the upper portion of the sterilization tank 10 Is installed on. In addition, the outer wall of the cold water storage tank 40 is preferably insulated.

The aforementioned sterilization tank 10 and the aforementioned cold water storage tank 40 are connected to each other by a cold water circulation pipe 50. Cold water circulation line 50 is the sterilization tank 10 and cold water storage so that the cold water in the cold water storage tank 40 is supplied to the sterilization tank 10 and the cold water in the sterilization tank 10 to the cold water storage tank 40 again. By circulating between the tanks 40, a plurality of cold water control valves are installed.

In addition, it is preferable that the cold water circulation pipe line 50 is partially connected to the hot water circulation pipe line 30 so that the remaining portion overlaps the hot water circulation pipe line 30. In this case, the overlapping portion of the hot water circulation pipe line 30 and the cold water circulation pipe line 50 may act as a part of the hot water circulation pipe line 30 or a part of the cold water circulation pipe line 50 depending on the situation.

In this case, as shown in FIG. 4, the cold water control valve installed on the cold water circulation pipe path 50 includes a seventh control valve 51 installed on the discharge side of the cold water storage tank 40, and a hot water circulation pipe path ( 30, the second, third, fourth and fifth control valves 32, 33, 34, and 35 installed in an overlapping portion of the cold water circulation passage 50, the heat exchanger 70, and the cold water storage tank 40. It includes an eighth control valve 52 is installed between the inlet side of the.

The pump 60 is installed at an overlapping portion of the aforementioned hot water circulation pipe 30 and the aforementioned cold water circulation pipe 50. The pump 60 generates a circulating power of the hot water circulated into the hot water circulation pipe line 30 and a circulating power of the cold water circulated into the cold water circulation pipe line 50, and can be formed as a normal fluid pump.

In addition, a heat exchanger 70 is installed at an overlapping portion of the aforementioned hot water circulation pipe 30 and the aforementioned cold water circulation pipe 50. The heat exchanger 70 heats the hot water provided into the sterilization tank 10 through the hot water circulation pipe line 30 through heat exchange with steam or the cold water provided into the sterilization tank 10 through the cold water circulation pipe line 50. It serves to cool through heat exchange with the cooling water.

The heat exchanger 70 is preferably formed of a plate heat exchanger having a structure in which hot water or cold water flows through one side and heat exchanges with each other while steam or cooling water flows through, and in this case, the other side of the heat exchanger 70 has an upper portion. Steam supply pipe for supplying steam from the bottom, and the cooling water supply pipe for supplying the cooling water from the bottom to the top may be connected.

One side of the above-described sterilization tank 10, the controller 80 is installed. The controller 80 controls the pump 60, the hot water control valve on the hot water circulation line 30 and the cold water control valve on the cold water circulation line 50.

Hereinafter, the overall operation of the energy saving retort sterilizer according to an embodiment of the present invention with reference to FIGS. 3 and 4 is as follows:

First, the door 11 is opened, the retort food for sterilization is stacked in a tray, and the door 11 is closed through the basket 13 and then put into the sterilization tank 10.

Then, as the first and second control valves 31 and 32 are opened while the seventh and eighth control valves 51 and 52 are closed, the hot water in the hot water storage tank 20 is connected to the hot water circulation pipe 30. ) Is supplied to the heat exchanger 70 while being circulated by the pump 60.

The hot water is heated to a temperature of 120 ° C. or more through heat exchange with steam flowing through the other side of the heat exchanger 70 while flowing through one side of the heat exchanger 70, and then through the injection nozzle 15 of the sterilization tank 10. It is injected into the retort food mounted on (13), at which time the third control valve 33 is opened and the fourth and fifth control valves 34 and 35 are closed.

When the sterilization of the retort food is completed by the injection of hot water, the third control valve 33 is closed and the fourth, fifth and sixth control valves 34, 35, and 36 are opened to open the lower portion of the sterilization tank 10. The hot water filled in is drained and flows back into the hot water storage tank 20 through the pump 60 and the heat exchanger 70.

Then, as the first control valve 32 is closed while the seventh and second control valves 51 and 32 are opened, the cold water in the cold water storage tank 40 flows into the cold water circulation pipe 50 and is pumped. Circulated by 60 and provided to the heat exchanger 70.

Cold water is cooled to low temperature through heat exchange with the cooling water flowing through one side of the heat exchanger 70 while flowing through the other side of the heat exchanger 70, and then the basket 13 through the injection nozzle 15 of the sterilization tank 10. It is injected into the retort food loaded on the third control valve 33, at which time the fourth and fifth control valves 34 and 35 are closed.

When cooling of the retort food is completed by the injection of cold water, the third and sixth control valves 33 and 36 are closed and the fourth, fifth and eighth control valves 34, 35 and 52 are opened, and the sterilization tank ( The cold water filled in the lower part of 10 is drained and flows back into the cold water storage tank 20 through the pump 60 and the heat exchanger 70.

In the case of the energy-saving retort sterilization apparatus according to an embodiment of the present invention, the hydrothermal storage tank 20 and the cold water storage tank 40 installed in the hydrothermal retort sterilization apparatus are additionally applied to the spray type retort sterilization apparatus. The hot water preheated in the small hot water storage tank 20 is heated to a high temperature in the heat exchanger 70, and the cold water in the small cold water storage tank 40 flows through the heat exchanger 70 to a low temperature. The structure provided by cooling can save energy and at the same time reduce the time required for sterilization and cooling.

In addition, according to the energy-saving retort sterilization apparatus according to an embodiment of the present invention, the injection nozzle 15 is arranged on at least four rows on both sides of the basket 13 on which the tray is loaded, so that the number of the injection nozzles 15 is doubled. Hot water and cold water may be sprayed relatively uniformly in the sterilization tank 10, and thus, the temperature deviation in the sterilization tank 10 may be significantly reduced.

Although the embodiments have been described above by way of example, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof. Accordingly, the above-described embodiments should be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents shall be included within the scope of the present invention.

1: Energy Saving Retort Sterilizer
3: retort sterilizer
5: sterilization tank
5a: flange
7: door
7a: flange
10: sterilization tank
11: door
13: basket
15: injection nozzle
15a: vertical pipe
15b: nozzle part
20: hot water storage tank
30: hydrothermal circulation pipe
31: first control valve
32: second control valve
33: third control valve
34: fourth control valve
35: fifth control valve
36: 6th control valve
40: cold water storage tank
50: cold water circulation pipe
51: seventh control valve
52: eighth control valve
60: pump
70: heat exchanger
80: controller

Claims (7)

Retort food is introduced through the basket 13 and the sterilization tank 10 is installed on both sides of the injection nozzle 15;
A hot water storage tank 20 in which hot water to be supplied to the injection nozzle 15 of the sterilization tank 10 is stored therein;
The sterilization tank 10 and the hot water storage tank 20 are connected to each other, and the hot water in the hot water storage tank 20 is supplied to the sterilization tank 10, and the hot water in the sterilization tank 10 is stored again. A hot water circulation pipe line 30 in which a plurality of hot water control valves are installed to provide the tank 20;
A cold water storage tank 40 in which cold water to be supplied to the injection nozzle 15 of the sterilization tank 10 is stored;
The sterilization tank 10 and the cold water storage tank 40 are connected to each other, and the cold water in the cold water storage tank 40 is supplied to the sterilization tank 10 and the cold water in the sterilization tank 10 is again stored in the cold water. A plurality of cold water control valves installed to provide the tank 40 and branched to the hot water circulation pipe line 30 to partially overlap the hot water circulation pipe line 30;
A pump (60) installed at an overlapping portion of the hot water circulation pipe (30) and the cold water circulation pipe (50);
A heat exchanger (70) installed at an overlapping portion of the hot water circulation pipe (30) and the cold water circulation pipe (50), the hot water or cold water flowing through one side, and the steam or cooling water flowing through the other side; And
A controller 80 for controlling the pump 60, the hot water control valve and the cold water control valve,
The injection nozzle 15 is a vertical pipe portion 15a arranged vertically spaced apart by at least four rows per one full length of the basket 13 on both sides of the sterilization tank 10, and the vertical pipe portion 15a. And a nozzle unit 15b spaced apart to correspond to each tray in the basket 13 in the longitudinal direction of the
The hot water storage tank 20 is heated and stored by a heater at a high temperature in advance before being sprayed through the injection nozzle 15 of the sterilization tank 10,
The hot water storage tank 20 and the cold water storage tank 40 is installed on the top of the sterilization tank 10,
The heat exchanger 70 is formed of a plate heat exchanger and the other side is a steam supply pipe for supplying steam from the top to the bottom, and a cooling water supply pipe for supplying cooling water from the bottom to the top energy-saving retort sterilizer.
delete The method according to claim 1,
The hot water storage tank 20 and the cold water storage tank 40 is energy-saving retort sterilization device, characterized in that it has a capacity corresponding to 0.1 to 0.3 times the capacity of the sterilization tank (10).
The method according to claim 1,
The hot water storage tank 20 and the cold water storage tank 40 is energy-saving retort sterilization device, characterized in that it has a capacity corresponding to 0.2 times the capacity of the sterilization tank (10).
delete The method according to claim 1,
The hot water control valve installed on the hot water circulation pipe path 30 includes a first control valve 31 installed on the discharge side of the hot water storage tank 20, the hot water storage tank 20, and the pump 60. ) Between the second control valve 32, the third control valve 33 installed between the heat exchanger 70 and the inflow side of the sterilization tank 10, and the sterilization tank 10. Fourth and sixth control valves disposed between the discharge side and the heat exchanger 70, and fifth and sixth control valves installed between the heat exchanger 70 and the inflow side of the hot water storage tank 20. Energy-saving retort sterilization apparatus comprising a (35, 36).
The method according to claim 6,
The cold water control valve installed on the cold water circulation passage 50 includes a seventh control valve 51 provided on the discharge side of the cold water storage tank 40, and the second, third, fourth and fifth. Energy saving type, characterized in that it comprises a control valve (32, 33, 34 and 35), and the eighth control valve 52 which is installed between the heat exchanger 70 and the inlet side of the cold water storage tank (40) Retort sterilizer.

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