JPH0870832A - Method and apparatus for sterilizing solid matter or liquid containing solid matter - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a method and apparatus for sterilizing a solid substance or a liquid containing a solid substance, which can prevent quality deterioration and flavor deterioration and can be sterilized efficiently in a short time. [Structure] The solid a and the liquid b are separately sterilized by heating,
After sterilization, both are mixed and filled in a bag c or a container and sealed. When sterilizing the solid matter, the solid matter is weighed into a retainer d one pack at a time, sterilized in small portions, and after sterilization, the retainer is filled in a bag or container and sealed. The retainer is rotated in order to sterilize the solid matter in a short time, and a stop shock is given each time. The rotation of the retainer is performed by rocking and rolling the sterilization treatment tank 2. After filling and sealing in a bag or container, retort or refrigerate / freeze.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for sterilizing a solid material or a liquid containing a solid material, which is used for pre-sterilization of retort foods in a pre-stage.

[0002]

2. Description of the Related Art Generally, retort foods are unsterilized foods, for example, a mixture of a solid substance and a liquid substance is filled in a plastic or aluminum bag, sealed, and then subjected to a retort device for heat sterilization. ing.

[0003]

In the conventional sterilization method, the solid material and the liquid are heat-treated at the same time through a sealed bag or the like, so that the treatment suitable for the solid matter and the treatment suitable for the liquid can be separately performed. This was not possible, and the treatment time tended to be as long as several tens of minutes to several hours, and the thicker the bag, the more time was required. Therefore, there is a problem that the food is exposed to high temperature for a long time and the quality is deteriorated and the flavor is deteriorated.

Further, conventionally, when sterilizing only solid substances, a large amount is sterilized by one large pressure cooker over a long period of time, which tends to cause uneven processing, resulting in overcooking. It needs to be weighed or dispensed to fill the bag after processing, and it is easy to lose its shape.In addition, juice such as drip that has exuded from the solid matter during the sterilization process accumulates at the bottom of a large pressure cooker. It is very difficult to fill each bag with solids in small portions,
The current situation is that the drip containing the umami component is discarded.

The present invention has been proposed in view of these problems, and an object thereof is to prevent deterioration of quality and deterioration of flavor and to perform solid sterilization treatment efficiently in a short time or It is intended to provide a sterilizing method and apparatus for a solid-containing liquid.

[0006]

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention is to measure solids by one pack in a retainer, store them in small portions, and sterilize while rotating the retainer, and after sterilization, This solid material is mixed with a liquid material sterilized separately from the retainer, filled in a bag or a container, and sealed.

Further, according to the present invention, the solid matter is weighed into the retainer one pack at a time, stored in small amounts, and sterilized while rotating the retainer. After the sterilization, the solid matter is put into the bag or container from the retainer. It is filled in and sealed.

Further, according to the present invention, a retainer having a cylindrical shape with an open top and an open bottom for accommodating the solid material in small packs, and the retainer being aligned between the inlet and the outlet,
Moreover, the sterilization tank which receives and supports rotatably rotatably with the open portion facing upward, and which can be discharged, and which sterilizes the solid matter contained in the retainer, and the sterilization tank is installed at the inlet and the outlet. An on-off valve and an oscillating device for vertically oscillating the sterilization treatment tank in a seesaw shape are provided.

Further, according to the present invention, one end of the sterilization treatment tank is a closed end and the other end is an open end, and an opening / closing valve is installed at this open end to serve as both an inlet and an outlet, and a retainer pushing device. It is also used as a discharge device.

Further, according to the present invention, an inlet for allowing the retainer to pass downward in an upright state is formed at one upper portion of the sterilization tank, and an outlet for allowing the retainer to pass downward in an upright state is formed at the lower end of the other end. The retainer is lowered from the upper part of the inlet of the sterilization tank and fed in, and the retainer is lowered from the lower part of the outlet of the sterilization tank and fed out.

Further, according to the present invention, a plurality of guide rails are arranged in the sterilization treatment tank in parallel along the longitudinal direction of the treatment tank so that the retainer is slightly angled in the lateral direction orthogonal to the alignment direction. It is supported so that it can roll and rotate in an inclined state.

Further, according to the present invention, the shape of the inner peripheral surface of the retainer is a round shape, a polygonal shape, or a shape having a protrusion.

Further, according to the present invention, an end pipe is provided at a position facing a plurality of retainers housed in the sterilization tank, and steam is directly sprayed from the end pipes to the solid matter in the retainer.

[0014]

[Function] Weigh solids into a retainer one by one,
It is stored in small portions, and is sterilized while rotating the retainer, and after sterilization, this solid substance is mixed with a liquid substance that has been sterilized separately from the retainer, filled into a bag or container, and sealed to obtain a solid substance. It is possible to sterilize the liquid substance and the liquid substance efficiently in a short time by an optimum method. By rotating the retainer during the sterilization treatment of the solid matter, a stirring action can be imparted to the solid matter in the retainer, and the solid matter can be uniformly sterilized within a short time. Moreover, the drip that has exuded from the solid matter during the sterilization treatment of the solid matter can be retained at the bottom of the retainer, so after the sterilization treatment, fill the drip together with the solid matter into a bag or container. Can be done. As a result, deterioration of quality and deterioration of flavor can be prevented, rather the flavor can be improved and a high-quality retort food can be provided. In addition, the solids are weighed into the retainer one pack at a time and sterilized by dividing them into small pieces, so that the solids can be sterilized uniformly in a short time, and the processing time can be further shortened to obtain high-quality retort food. Can be provided with
It is possible to facilitate the filling work of the solid matter after the sterilization and prevent the solid matter from losing its shape.

Further, when the sterilization tank is rocked up and down in a seesaw shape by the rocking device, the retainer moves while rolling from the higher position to the lower position in the sterilization tank, and this is moved. By repeating the rotation alternately, the retainer can be alternately rotated in the opposite direction with a simple structure to give a stop shock each time.

Further, one end of the sterilization tank is a closed end, the other end is an open end, and an opening / closing valve is installed at this open end to serve as both an inlet and an outlet, and a retainer pushing device also serves as a discharging device. By doing so, the device can be simplified.

Then, an inlet is formed at one upper part of the sterilization tank to allow the retainer to pass downward in an upright state, and an outlet is formed at a lower part of the other end to allow the retainer to pass downward in an upright state to sterilize the retainer. By lowering the retainer from the upper part of the inlet of the treatment tank and feeding it, and by lowering the retainer from the lower part of the outlet of the sterilization tank, the retainer can be fed into and taken out of the sterilization tank. The action can be combined and performed by gravity, and a special drive device can be omitted.

A state in which the retainer is slightly inclined in the lateral direction orthogonal to the alignment direction by a plurality of guide rails arranged in parallel in the sterilization treatment tank along the longitudinal direction of the treatment tank. Since it is supported so that it can roll and rotate, the movement of the retainer from the high place to the low place due to the swing of the sterilization tank can be reliably converted into the action of rotating the retainer by the frictional force between the guide rail and the retainer. be able to.

Furthermore, by making the shape of the inner peripheral surface of the retainer round, polygonal or having a protrusion,
When the retainer is rotated, the solid matter contained in the retainer can be surely stirred. by this,
The solid material in the retainer can be converted and exposed on the entire surface in order, so that the solid material can be efficiently subjected to the bactericidal action in a short time.

Further, an end pipe is provided at a position facing a plurality of retainers accommodated in the sterilization tank, and steam is directly sprayed from the end pipes to the solid matter in the retainer to further sterilize in a shorter time. You can

The above-mentioned sterilization is carried out by heating, and heating and cooling can be carried out efficiently by vacuum-processing the inside of the sterilization tank before and after the heating.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

1A and 1B are a schematic plan view and a schematic side view showing the configuration of the first embodiment of the device of the present invention, and FIG. 2A is a schematic side view of a product to which the present invention is directed. Figure, (B)
Is a schematic perspective view of the retainer, (C) is a front view of the solid material pushing device, and (D) is a vertical cross-sectional front view showing an example of the sterilization treatment tank. In the present invention, as shown in FIGS. 1 and 2, a solid matter (a) is loaded into a sterilization treatment tank (2) by a solid matter pushing device (1), and the solid matter (a) is loaded in the sterilization treatment tank (2). a)
Sterilized and sterilized, and then discharged from the sterilization treatment tank (2) by the discharge device (3) and filled in the bag (c) together with the liquid material (b) separately sterilized by the filling machine and the packaging machine (4). Then, seal and take out as an intermediate product or final product,
After that, retort treatment or refrigeration / freezing treatment is performed.

Solid matter (a) to be put into the sterilization treatment tank (2)
As shown in FIG. 2 (B), each pack is weighed in advance in the retainer (d) and stored in small amounts, and in this state, as shown in FIG. 1, the solid matter pushing device (1) is used. The sterilization tank (2) is loaded. This retainer (d)
Is made of heat-resistant plastic or metal, and has a cup shape having a cylindrical outer peripheral surface with an open top and a polygonal inner peripheral surface. It should be noted that instead of a polygon, a round shape may be provided, or a protrusion may be provided on the inner peripheral surface of the round shape.

The solid material pushing device (1) is for sequentially loading the solid material (a) contained in the retainer (d) into the sterilization tank (2), and the illustrated example is a pair of two screws. The case where the retainers (d) are sandwiched one by one from both sides by the conveyors (1a) (1a) and moved and fed on the support plate (1b) is shown, but other configurations, for example, a belt conveyor system are shown. A known method such as a pusher method or a pusher method can be adopted.

As shown in FIG. 1B, the sterilization treatment tank (2) is mainly composed of a long pressure cooker (2a) having a pressure-resistant cylindrical shape or a polygonal cylinder shape. An inlet valve (2b) and an outlet valve (2c) are provided at both ends of 2a). This inlet valve (2b) and outlet valve (2c)
Shows an example of a ball valve type, which can be automatically opened / closed by opening / closing devices (2b ′) and (2c ′) such as an air cylinder. However, various types of valves such as a slide valve type can be adopted. Then, when the solid matter (a) housed in the retainer (d) is loaded into the sterilization treatment tank (2) by the solid matter pushing device (1), the inlet valve (2b) is opened, and the sterilization treatment tank ( When removing the solid matter (a) contained in the retainer (d) from 2),
The outlet valve (2c) is opened. Further, when the solid matter (a) contained in the retainer (d) is sterilized in the pressure cooker (2a) of the sterilization tank (2), the inlet valve (2
b) and the outlet valve (2c) are closed airtight.

The pressure cooker (2a) is constructed so that the solid matter (a) accommodated in the retainer (d) can be pressed in a single row and received in a pressed state, sterilized and discharged. . As best shown in FIG. 2D, the pressure cooker (2a) has a cylindrical shape which is made of a corrosion resistant metal such as stainless steel and which is advantageous in pressure resistance, and has dead spaces on both inner sides for minimizing the space. Spacers (2d) (2d) are attached over the entire length. Then, a plurality of guide rails (2e) for supporting the retainer (d) so that it can roll and rotate in a state in which the retainer (d) is slightly inclined from the upright state over the entire length in the pressure cooker (2a).・ ・ Are installed in parallel. The guide rails (2e) ... have a round bar shape, and in order to minimize rolling area to the retainer (d) to facilitate rolling and to stably support the retainer (d), The upper and lower two side surfaces are disposed on the side surface on the inclined lower surface side, the upper one side surface is disposed on the inclined upper surface side, and the further one is disposed on the bottom surface biased to the inclined upper surface side. (2h) is a pressure distribution chamber formed in the upper part of the inner surface of the pressure cooker (2a).

As a sterilizing means, the pressure cooker (2a) is equipped with a pressure adjusting valve (6) and an electromagnetic on-off valve (7) as shown in FIG. 1B, and a vacuum pump (not shown). ) Connected to a steam supply source (not shown), and a solenoid valve. (12)
And a drain valve (15) and a trap (16), each of which is connected to an exhaust / atmosphere introducing pipe (13) for opening to the atmosphere through a flexible pipe (14).
A drain pipe (17) equipped with is connected.

Although the discharging device (3) is illustrated as a belt conveyor in the illustrated example, it may be a structure other than this, for example, a screw conveyor similar to the solid material pushing device (1).

The filling machine and the packaging machine (4) are discharged from the sterilization tank (2) through the outlet valve (2c) by the discharge device (3) while being stored in the retainer (d). The solid matter (a) is transferred from the retainer (d) into the bag (c) for filling, and the liquid matter (b) sterilized separately from the solid matter (a) is also filled in the bag (c), It is configured so as to be hermetically sealed and sent out as an intermediate product or a final product, and thereafter, retort processing or refrigeration / freezing processing is performed. The filling machine and the packaging machine (4) are installed in a clean booth (sterile room) together with the outlet valve (2c) of the sterilization tank (2).

The retainer (d) that has been emptied by filling the bag (c) with the solid material (a) by the filling machine and the packaging machine (4) is recovered and placed on the solid material pushing device (1) side. It will be returned and reused. In this case, the retainer (d) may be reused after being washed through a washing machine depending on the degree of contamination.

As shown in FIG. 3 (A), the pressure cooker (2a) of the sterilization tank (2) swings its central portion up and down on the fulcrum shaft (19) of the column (18) in a seesaw-like manner. It is supported so that it can be moved horizontally by the rocking device (20).
It can be swung up and down in an angle range of 0 ° to 20 °. The swinging device (20) is exemplified by the case of an air cylinder, but may have another configuration.

The embodiment of the present invention has the above-mentioned structure. Next, the overall operation will be described. First, the solid matter (a) is put into the retainer (d) one pack at a time. In this case, it is desirable to measure and put in. Then, the retainer (d) charged with the solid matter (a) is pushed into the solid matter pushing device (1).
Thus, the inlet valve (2b) is opened in the pressure cooker (2a) of the sterilization tank (2), and a predetermined number of pieces are sequentially charged and loaded. In this case, the retainer (d) is not fully packed in the pressure cooker (2a), but several retainers, for example, five retainers, are left with a gap between them. After loading, the inlet valve (2b) is closed and of course the outlet valve (2c) is closed from the beginning.
In this state, the electromagnetic on-off valve (7) of the pressure reducing pipe (8) is opened, the vacuum pump (not shown) is driven, and the pressure cooker (2a)
The inside is deaerated under reduced pressure (preferably -700 mmHgG or more). After this depressurized degassing, the electromagnetic on-off valve (7) of the decompression pipe (8) is closed, and the electromagnetic on-off valve (1) of the steam supply pipe (11) is
0) is opened, and steam (saturated steam) is injected into the pressure cooker (2a) from a steam supply source (not shown) to raise the temperature. In this case, the amount of steam injected into the pressure cooker (2a) is adjusted by the supply amount adjusting valve (9) and held at a constant temperature for a certain time (for example, 2 kg / cm 2, 133 ° C., 30 seconds to 10 seconds).
Minutes). As a result, the solid matter (a) contained in each retainer (d) is uniformly heat-sterilized. In this way, by decompressing the pressure cooker (2a) and injecting steam, air bubbles in the tissue of the solid matter (a) such as vegetables can be degassed and prevented from boiling down during temperature rise and sterilization. At the same time, the boiling point of water contained in the solid (a) is lowered, and sterilization can be achieved in a short time.
The heat damage to the solid matter (a) can be reduced. Then, during this time, the rocking device (20) slowly rocks the pressure cooker (2a) up and down like a seesaw. For example, 30
Rock at a pitch of -60 seconds for 3-5 minutes. Due to this swing, the retainer (d) rolls on the guide rails (2e) ... from the higher position to the lower position in the pressure cooker (2a) by the gap left in advance. While moving back and forth, this will be repeated alternately. That is, the retainer (d) repeats right rotation and left rotation alternately, and a stop shock is given each time, and the solid material (a) inside is mixed and stirred by the polygonal inner peripheral surface, All the peripheral surfaces are brought into contact with each other one after another by heated steam and sterilized uniformly.

After the holding in the pressure cooker (2a) at a constant temperature for a fixed time, the electromagnetic on-off valve (12) of the exhaust / atmosphere introducing pipe (13) is opened to remove the steam in the pressure cooker (2a). Discharge and return to atmospheric pressure. After that, the electromagnetic on-off valve (12) of the exhaust / atmosphere introducing pipe (13) is closed, and the pressure reducing pipe (8)
The electromagnetic on-off valve (7) is opened again and the pressure in the pressure cooker (2a) is reduced by the vacuum pump to vacuum-cool the solid matter (a) to a proper temperature at a proper speed (for example, 1
Cool from 00 ° C to room temperature). After cooling, decompression pipe (8)
The electromagnetic on-off valve (7) is closed and the exhaust / atmosphere introducing pipe (13)
Open the solenoid on-off valve (12) and filter (not shown)
The atmosphere sterilized in step 1 is introduced into the pressure cooker (2a). Then, the outlet valve (2c) is opened, the sterilized solid (a) is taken out into the clean booth together with the retainer (d), and the liquid (b) is sterilized separately by the filling machine and the packaging machine (4). ) And the inside of the bag (c) and sealed.
The retainer (d) is then reused. And
The product taken out from the filling machine and the packaging machine (4) is used as an intermediate product or a final product, and the intermediate product is subjected to retort treatment, refrigeration / freezing treatment. In the pressure cooker (2a), the next loading of the solid matter (a) is carried out as described above, sterilized, and taken out. Thereafter, by repeating this, the solid matter (a) is sterilized in a batch manner in the pressure cooker (2a) of the sterilization treatment tank (2) in a predetermined number in a state where the solid matter is stored in the retainer (d) one by one.

In the above embodiment, the solid (a) and the liquid (b) are filled and sealed in the bag (c). However, the present invention only uses the solid (a) in the bag (c). ) May be applied when it is filled and sealed.

Further, the case where the inlet valve (2b) and the outlet valve (2c) are provided on both sides of the pressure cooker (2a) is illustrated, but the valve is provided only at one end and the other end is closed, The solid matter (a) may be put in and taken out from one end where the is provided. Further, instead of the bag (c), it may be in the form of various containers such as a tray used for retort pack packaging. The pressure cooker (2a) may be loaded with the retainers (d) containing the solid matter (a) in a plurality of rows.

Further, an end pipe is provided at a position facing the plurality of retainers (d) housed in the sterilization tank (2), and steam is blown directly from the end pipes to the solid matter (a) in the retainer (d). The sterilization can be carried out in a short time.

FIG. 3B shows another embodiment of the device of the present invention, in which the retainer (d) can be vertically passed through the upper end of one end of the sterilization tank (2) (2f). )
And an outlet (2g) that allows the retainer (d) to pass downward in the upright state is formed at the lower end of the other end, and the retainer (d) is self-weighted from the upper portion of the inlet (2f) of the sterilization treatment tank (2). The retainer (d) is dropped and sent in, and the retainer (d) is similarly dropped and sent out from the lower part of the outlet (2g) of the sterilization tank (2) by its own weight. In the case of this embodiment, the inlet valve (2
If a ball valve is used for b) and the outlet valve (2c), the opening shape of this ball valve can be made circular, and
The entire ball valve can be miniaturized.

[0039]

According to the present invention, a solid substance and a liquid substance are
It is possible to sterilize each of them in a short time efficiently and by the most suitable method. By rotating the retainer during the sterilization treatment of the solid matter, the stirring action can be imparted to the solid matter in the retainer, and the solid matter can be uniformly sterilized within a short time. Moreover, the drip that has exuded from the solid matter during the sterilization treatment of the solid matter can be retained at the bottom of the retainer, so after the sterilization treatment, fill the drip together with the solid matter into a bag or container. Can be done. As a result, it is possible to prevent deterioration of quality and deterioration of flavor,
Rather, the flavor can be improved and a high quality retort food can be provided. In addition, the solids are weighed into the retainer one pack at a time and sterilized by dividing them into small pieces, so that the solids can be sterilized uniformly in a short time, and the processing time can be further shortened to obtain high-quality retort food. It is possible to facilitate the filling operation of the solid matter after sterilization and prevent the solid matter from losing its shape.

When the sterilization tank is rocked up and down in a seesaw shape by the rocking device, the retainer moves while rolling from the higher position to the lower position in the sterilization tank, and the retainer moves. By repeating the alternation alternately, the retainer can be alternately rotated in the opposite direction with a simple structure, and a stop shock can be given each time to improve the stirring action.

Also, one end of the sterilization tank is a closed end, the other end is an open end, and an opening / closing valve is installed at this open end to serve as both an inlet and an outlet, and a retainer pushing device also serves as a discharging device. By doing so, the device can be simplified.

Then, an inlet that allows the retainer to pass downward in an upright state is formed at one upper portion of the sterilization tank, and an outlet that allows the retainer to pass downward in an upright state is formed at the lower end of the other end to sterilize the retainer. By lowering the retainer from the upper part of the inlet of the treatment tank and feeding it, and by lowering the retainer from the lower part of the outlet of the sterilization tank, the retainer can be fed into and taken out of the sterilization tank. The action can be combined and performed by gravity, and a special drive device can be omitted.

Further, a state in which the retainer is slightly inclined in the lateral direction orthogonal to the alignment direction by a plurality of guide rails arranged in parallel in the sterilization treatment tank along the longitudinal direction of the treatment tank. Since it is supported so that it can roll and rotate, the movement of the retainer from the high place to the low place due to the swing of the sterilization tank can be reliably converted into the action of rotating the retainer by the frictional force between the guide rail and the retainer. be able to.

Further, by making the shape of the inner peripheral surface of the retainer polygonal or having a projection, it is possible to surely stir the solid matter contained in the retainer when the retainer is rotated. As a result, the solid material in the retainer can be sequentially exposed by conversion and exposing the entire surface thereof, and can be efficiently subjected to the sterilization action in a short time.

Further, an end pipe is provided at a position facing a plurality of retainers housed in the sterilization tank, and steam is directly sprayed from the end pipes to the solid matter in the retainer to further sterilize in a shorter time. You can

The above-mentioned sterilization is carried out by heating, and heating and cooling can be carried out efficiently by subjecting the inside of the sterilization tank to vacuum treatment before and after the heating.

[Brief description of drawings]

1A is a schematic plan view showing the configuration of a first embodiment of the device of the present invention, and FIG. 1B is a schematic side view thereof.

2A is a side view showing an example of a target product of the present invention, FIG. 2B is a schematic perspective view showing an example of a retainer used in the present invention, and FIG. 2C is a solid material indentation used in the present invention. The front view which shows an example of an apparatus, (D) is a longitudinal front view which shows an example of the sterilization processing tank used by this invention.

3A is a schematic side view showing an example of a rocking device for a sterilization treatment tank according to the present invention, and FIG. 3B is a schematic vertical sectional side view showing a second embodiment of the present invention device.

[Explanation of symbols]

 1 Solid Material Pushing Device 2 Sterilization Treatment Tank 3 Discharging Device 4 Filling Machine and Packing Machine d Retainer a Solid material b Liquid material c Bag 2a Pressure cooker 2b Inlet valve 2c Outlet valve 2e Guide rail 20 Swinging device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shin Sakamoto 2-9-17 Kitakunomoto, Tendo City, Yamagata Prefecture (72) Inventor Tsutomu Yamamoto 807-3 Kaminaka, Kashiba City, Nara Prefecture (72) Megumi Imamura Osaka Prefecture 1-7-38 Nakakonoike-cho, Higashiosaka-shi

Claims (10)

[Claims] 1. A solid material is weighed into a retainer one pack at a time, stored in small portions, and sterilized while rotating the retainer. After sterilization, the solid material is mixed with a liquid material sterilized separately from the retainer. A method of sterilizing a solid-containing liquid, which comprises filling the inside of a bag or a container and sealing it. 2. The solid matter is weighed into a retainer one pack at a time, stored in small amounts, and sterilized while rotating the retainer, and after sterilization, the solid matter is filled from the retainer into a bag or container, A method for sterilizing solid matter, which comprises sealing. 3. The sterilization method according to claim 1, wherein the sterilization is performed by heating, and vacuum treatment is performed before and after the heating. 4. A retainer having a cylindrical shape with a bottom, which is open at the top and stores solid matter in small packs, and the retainer is aligned between the inlet and the outlet, and the open portion faces upward. A sterilization tank that can rotatably and rotatably receive and discharge the solid matter stored in the retainer, open / close valves installed at the inlet and outlet of the sterilization tank, and a sterilization tank up and down. A sterilizer for solid matter, comprising a rocking device that rocks in a seesaw shape. 5. The sterilization tank has one end as a closed end and the other end as an open end, and an opening / closing valve is installed at this open end to serve as an inlet and an outlet, and a retainer pushing device also serves as a discharging device. The solid material sterilizer according to claim 4, wherein the solid material sterilizer is used. 6. The sterilizer is sterilized by forming an inlet at an upper part of one end of the sterilization treatment tank for allowing the retainer to pass downward in an upright state and forming an outlet at a lower part of the other end for allowing the retainer to pass downward in an upright state. The solid substance sterilizer according to claim 4, wherein the retainer is lowered from an upper portion of the inlet of the treatment tank and fed in, and the retainer is lowered from a lower portion of the outlet of the sterilization treatment tank and fed out. 7. A state in which a retainer is slightly inclined in the lateral direction orthogonal to the alignment direction by a plurality of guide rails arranged in parallel in the sterilization treatment tank along the longitudinal direction of the treatment tank. The solid sterilizer according to any one of claims 4 to 6, wherein the solid sterilizer is supported so as to roll and rotate. 8. The retainer inner peripheral surface shape is round or polygonal or has a protrusion.
The solid substance sterilizer according to any one of 1. 9. An end pipe is provided at a position facing a plurality of retainers housed in the sterilization treatment tank, and steam is sprayed directly from the end pipes to the solid matter in the retainer. The solid substance sterilizer according to any one of to 8. 10. The sterilization is performed by heating, and the inside of the sterilization treatment tank is vacuum-treated before and after the heating.
10. The solid substance sterilizer according to any one of 9 to 10.