CN112690391A - Apparatus for sterilizing particulate material - Google Patents
Apparatus for sterilizing particulate material Download PDFInfo
- Publication number
- CN112690391A CN112690391A CN202010122509.9A CN202010122509A CN112690391A CN 112690391 A CN112690391 A CN 112690391A CN 202010122509 A CN202010122509 A CN 202010122509A CN 112690391 A CN112690391 A CN 112690391A
- Authority
- CN
- China
- Prior art keywords
- particulate material
- steam
- space
- transfer
- sterilization apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011236 particulate material Substances 0.000 title claims abstract description 81
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 39
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 24
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 235000000346 sugar Nutrition 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000008534 Capsicum annuum var annuum Nutrition 0.000 description 1
- 240000008384 Capsicum annuum var. annuum Species 0.000 description 1
- 235000002568 Capsicum frutescens Nutrition 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000001511 capsicum annuum Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/16—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials
- A23L3/18—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials while they are progressively transported through the apparatus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/361—Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus, with or without shaping, e.g. in form of powder, granules, or flakes
Landscapes
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Screw Conveyors (AREA)
Abstract
The present invention provides a particulate material sterilization apparatus comprising: a transfer pipe having an inlet for introducing the particulate material, an outlet for discharging the particulate material, and a transfer space communicating with the inlet and the outlet, and having a first vapor space for injecting vapor between an inner surface and an outer surface; and a transfer shaft accommodated in the transfer space and including a shaft rotated by a motor and a screw formed on an outer circumferential surface of the shaft, the shaft being formed to be hollow to form a second steam space for injecting steam inside. The sterilization apparatus may move and apply heat to uniformly sterilize the particulate material and cool the sterilized high temperature particulate material.
Description
Technical Field
The present invention relates to a particulate material sterilizing apparatus, and more particularly, to an apparatus for transferring a particulate material and applying heat to uniformly sterilize it, and cooling the sterilized high-temperature particulate material.
Background
The granular material is granular food, including sugar, salt, flour, chili powder, etc.
The granular material has the problem that the propagation of bacteria and the like is easy to be polluted, and is particularly easy to be influenced by high-temperature and high-humidity environment, so that the granular material can be stored for a long time only by sterilizing and disinfecting the granular material.
Conventionally, in order to sterilize and disinfect particulate materials, a method of transferring particulate materials by a screw, a conveyor, or the like and irradiating ultraviolet rays has been adopted. According to this method, the surface layer of the particulate material can be easily sterilized, but there is a problem in that it is difficult to uniformly sterilize the inside of the particulate material.
Disclosure of Invention
The present invention has been made in view of the foregoing background, and according to the present invention, there is provided a particulate material sterilization apparatus for transferring a particulate material and applying heat to uniformly sterilize the same, and cooling the sterilized high-temperature particulate material.
According to an embodiment of the present invention, there is provided a particulate material sterilization apparatus including: a transfer pipe having an inlet for introducing the particulate material, an outlet for discharging the particulate material, and a transfer space communicating with the inlet and the outlet, and having a first vapor space for injecting vapor between an inner surface and an outer surface; and a transfer shaft accommodated in the transfer space and including a shaft rotated by a motor and a screw formed on an outer circumferential surface of the shaft, the shaft being formed to be hollow to form a second steam space for injecting steam inside.
According to an embodiment of the present invention, it is possible to transfer and apply heat to uniformly sterilize the particulate material, and cool the sterilized high-temperature particulate material.
Drawings
FIG. 1 is a perspective view of a particulate material sterilization apparatus according to the present invention;
FIG. 2 is a partial perspective view of FIG. 1;
FIG. 3 is a partial perspective view of FIG. 1;
FIG. 4 is a partial perspective view of a particulate material sterilization apparatus according to the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
fig. 6 is a partial perspective view of a particulate material sterilization apparatus according to the present invention.
Reference numerals:
100 particulate material sterilizer 102 supply unit
110, a sterilizing part 120, and a cooling part
210 transport pipe 211 transport space
212 first steam space 213 steam injection holes
214 steam exhaust hole 215 and input port
216 discharge port 220 transfer shaft
221, shaft 222 and screw
223 second steam space 230 electric motor
311 third steam space 411 connecting pipe
610, a transfer part 620, and a cover part
631 air injection part 632 air discharge part
633, filter 641, cooling pipe
Detailed Description
Some embodiments of the invention are described in detail below with reference to the exemplary drawings. When reference numerals are added to components of each drawing, the same components may have the same reference numerals as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that a detailed description of related known configurations or functions may make the gist of the technical idea unclear, the detailed description may be omitted. References in this specification to "comprising," "having," "consisting of," and the like may include other moieties unless "only" is used. When components are described in the singular, they can include the plural unless otherwise specified.
In addition, in describing the components of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only used to distinguish one element from another element, and the nature, order, sequence, number, or the like of the elements are not limited by these terms.
In the description of the positional relationship of the components, when two or more components are described as being "connected", "coupled", or "in contact" or the like, the two or more components may be directly "connected", "coupled", or "in contact". However, it should be understood that two or more components and other components may further be "interposed" and thus "connected," coupled, "or" contacting. Here, other components may be included in one or more of two or more components "connected", "coupled", or "in contact with" each other.
In the description of the time-flow relationship of components, operation methods, manufacturing methods, and the like, for example, if the context in time or flow is described by "after", "following", "subsequently", "previously", and the like, the case of discontinuity may be included unless "now" or "directly" is used.
On the other hand, if a value of a component or corresponding information (e.g., a level, etc.) is referred to, even if an explicit description is not given, the value or corresponding information may be interpreted to include an error range that may be caused by various factors (e.g., process factors, internal or external impacts, noise, etc.).
Fig. 1 is a perspective view of a particulate material sterilization apparatus according to the present invention, fig. 2 is a partial perspective view of fig. 1, fig. 3 is a partial sectional view of fig. 1, fig. 4 is a partial perspective view of a particulate material sterilization apparatus according to the present invention, fig. 5 is a sectional view of fig. 4, and fig. 6 is a partial perspective view of a particulate material sterilization apparatus according to the present invention.
The particulate material sterilization apparatus 100 according to the present invention, the sterilization apparatus 100 comprising: a transport pipe 210 having an inlet 215 for introducing the particulate material, an outlet 216 for discharging the particulate material, and a transport space 211 communicating with the inlet 215 and the outlet 216, and having a first vapor space 212 for injecting vapor between an inner surface and an outer surface; a transfer shaft 220 accommodated in the transfer space 211 and including a shaft 221 rotated by a motor 230 and a screw 222 formed on an outer circumferential surface of the shaft 221, and the shaft 221 is formed to be hollow to form a second steam space 223 for injecting steam inside.
Referring to fig. 1, in a process of sterilizing and sterilizing a particulate material by the particulate material sterilizing apparatus 100 according to the present invention, the particulate material in a state before sterilization is supplied to a Hopper (Intake Hopper)101, and is supplied from the Hopper 101 to a sterilizing part 110 by a supply part 102 to be sterilized, and the particulate material sterilized in the sterilizing part 110 is supplied to a cooling part 120 to be cooled.
Particulate materials are understood to include granulated food products such as sugar, salt, flour, paprika and the like.
The supply section 102 includes a Suction Conveyor (Suction Conveyor)103, a Service Hopper (Service Hopper)104, and a Screw Feeder (screen Feeder) 105. The suction conveyor 103 sucks the particulate material from the hopper 101 and supplies it to the service hopper 104, and the screw feeder 105 transfers the particulate material supplied to the service hopper 104 to the sterilization section 110.
However, the suction conveyor 103, the service hopper 104, the screw feeder 105, and the like are merely exemplary, and the supply portion 102 may supply the granular material to the sterilization portion 110.
The sterilizing unit 110 includes a transport pipe 210 and a transport shaft 220. The transferred particulate material is sterilized by supplying high-temperature steam to the first steam space 212 of the transfer pipe 210 and the second steam space 223 of the transfer shaft 220 to indirectly heat the transferred particulate material.
That is, as will be described in detail later, the first steam space 212 is located at an outer side of the transferred particulate material, and the second steam space 223 is located at an inner side of the transferred particulate material, so that the particulate material transferred by the transfer pipe 210 and the transfer shaft 220 can be uniformly sterilized while being heated from the outer and inner sides. For example, when sugar is sterilized, steam is injected at a temperature of 110 to 140 ℃, and the sugar can be heated to a temperature of 102 to 107 ℃ by the steam and sterilized.
The cooling section 120 receives and transfers the particulate material discharged from the discharge port 216, cools it (for example, to a temperature of 60 to 65 ℃ in the case of sugar), and then naturally cools it to normal temperature.
The efficiency of the entire system is improved by rapidly cooling the high-temperature particulate material sterilized by the cooling part 120 to shorten the time required for cooling, and it is also possible to prevent the sterilized particulate material from being contaminated again.
The sterilizing part 110 is explained in detail with reference to fig. 2 and 3.
The transfer pipe 210 is formed therein with an inlet 215 for inputting the particulate material, an outlet 216 for discharging the particulate material, and a transfer space 211 communicating with the inlet 215 and the outlet 216, so that the particulate material is supplied to the inlet 215 and sterilized in the transfer space 211, and then discharged through the outlet 216.
The transfer shaft 220 is accommodated in the transfer space 211, includes a shaft 221 rotated by a motor 230 and a screw 222 formed on an outer circumferential surface of the shaft 221, and can transfer the particulate material supplied to the inlet 215 to the outlet 216.
The motor 230 may be connected to the shaft 221 through a pulley and a belt.
Although not shown in the drawings, the transfer shaft 220 may be coupled to the transfer pipe 210 through a bearing, and a sealing member (Seal) or the like may also be provided to prevent the particulate material from being introduced into the bearing.
As described above, in the transport pipe 210 and the transport shaft 220, the first vapor space 212 and the second vapor space 223, which supply the vapor for heating the particulate material, are formed, respectively.
First, the first steam space 212 is formed between the inner side and the outer side of the transport pipe 210, and thus the interior of the transport pipe 210 is divided into the transport space 211 and the first steam space 212.
That is, the first steam space 212 is formed to surround the transfer space 211, so that the steam injected into the first steam space 212 can uniformly heat the particulate material transferred from the transfer space 211 from the outside.
A steam injection hole 213 communicating with the first steam space 212 and for injecting steam, and a steam discharge hole 214 for discharging steam are provided in the transport pipe 210.
That is, the transfer space 211 communicates with the discharge port 216 and the inlet port 215, and the first steam space 212 communicates with the steam injection port 213 and the steam discharge port 214.
The first steam space 212 may be formed from one end to the other end of the take-off pipe 210, and as shown, the steam injection hole 213 and the steam exhaust hole 214 may be provided at one end and the other end of the take-off pipe 210, respectively, and vice versa.
The second steam space 223 is formed inside the shaft 221, and the shaft 221 is formed to be hollow and opened at both ends thereof.
That is, as shown in the drawing, the steam is injected to one end of the shaft 221 and discharged to the other end (or vice versa), and uniformly heats the particulate material transferred in the transfer space 211 from the inside.
In addition, the interior of the screw 222 is formed with a third steam space 311 communicating with the second steam space 223 to heat the particulate material more efficiently.
That is, the steam supplied to the second steam space 223 through one end or the other end of the shaft 221 is also supplied to the third steam space 311, and heat is transferred to the particulate material through the large surface area of the screw 222, so efficiency is improved.
Referring to fig. 4 and 5, it can be seen that the first steam space 212 may be connected with the second steam space 223.
That is, in the above-described embodiment, steam should be injected into the first steam space 212 and the second steam space 223, respectively. By connecting the first steam space 212 and the second steam space 223, the steam injected into the first steam space 212 can be injected into the second steam space 223 and the third steam space 311.
As shown, the connection pipe 411 connects the steam discharge hole 214 and one end (or the other end) of the shaft 221 such that the steam supplied to the steam injection hole 213 is supplied from the first steam space 212 to the second steam space 223 and the third steam space 311 through the connection pipe 411 and is discharged to the other end (or one end) of the shaft 221.
The cooling part 120 is explained in detail with reference to fig. 6.
The cooling part 120 includes a transfer part 610 for transferring the particulate material and a cover part 620 for receiving the transfer part 610, one side of the cover part 620 communicates with the discharge port 216 to receive the sterilized high-temperature particulate material, and the other side thereof is opened to discharge the cooled particulate material.
The transfer portion 610 may be a member capable of transferring the particulate material, such as a conveyor or a drum, and thus a detailed description thereof will be omitted.
The cover part 620 may be made of, for example, acrylic, and as shown, may be formed in a substantially rectangular parallelepiped shape to accommodate the transfer part 610.
In addition, the cover part 620 is provided with an air injecting part 631 for injecting air inside the cover part 620 and an air discharging part 632 for discharging air from inside the cover part 620, so that the air is rapidly circulated inside the cover part 620 through the air injecting part 631 and the air discharging part 632, thereby cooling the particulate material.
A filter 633 (e.g., HEPA filter) is provided at a junction of the air injection part 631 and the air discharge part 632 with the cover part 620, thereby preventing contaminants from being mixed by the air injection part 631 or particulate materials from being released by the air discharge part 632.
In addition, a plurality of cooling pipes 641 through which cooling water is supplied are provided on the outer side surface of the cover part 620 to take heat of the granular material inside the cover part 620 for cooling.
The cooling pipe 641 is connected to the pump 642 to circulate cooling water, and as shown in the drawing, the cooling pipe 641 may be provided to be supported at the lower side of the cover part 620, and the cooling pipe 641 may be formed long in a direction perpendicular to the transfer direction of the particulate material, and may be provided in plurality from one end to the other end of the cover part 620 in the transfer direction of the particulate material.
According to the particulate material sterilization apparatus having such a shape, the particulate material is uniformly sterilized by injecting steam into the first steam space and the second steam space and applying heat by the steam at the outside and the inside of the particulate material.
In addition, by forming the third steam space communicated with the second steam space inside the screw, the surface area of the steam transferring heat can be increased to perform sterilization efficiently.
In addition, by connecting the first steam space and the second steam space, steam can be supplied to the first to third steam spaces at once.
In addition, by providing a cooling part for cooling the sterilized high-temperature particulate material, the time required for cooling can be shortened to improve the efficiency of the system and prevent re-contamination.
The above description is merely an example of the technical idea of the present invention, and those skilled in the art can make various modifications and variations without departing from the essential features of the technical idea of the present invention. The present embodiments are not intended to limit the technical ideas of the present disclosure but to illustrate the technical ideas of the present disclosure, and thus the technical ideas of the present invention are not limited by the embodiments. The scope of the invention should be construed by the appended claims, and all technical ideas within the scope equivalent thereto should be construed to be included in the scope of the claims of the present invention.
Claims (8)
1. A particulate material sterilization apparatus, the sterilization apparatus comprising:
a transfer pipe having an inlet for introducing the particulate material, an outlet for discharging the particulate material, and a transfer space communicating with the inlet and the outlet, and having a first vapor space for injecting vapor between an inner surface and an outer surface; and
a transfer shaft accommodated in the transfer space and including a shaft rotated by a motor and a screw formed on an outer circumferential surface of the shaft, the shaft being formed to be hollow to form a second steam space for injecting steam inside.
2. The particulate material sterilization apparatus according to claim 1, wherein a steam injection hole communicating with the first steam space and for injecting steam, and a steam discharge hole for discharging steam are provided in the transport pipe.
3. The particulate material sterilization apparatus according to claim 2, wherein a third steam space communicating with the second steam space is formed in an interior of the screw.
4. The particulate material sterilization apparatus of claim 2, wherein the first vapor space is in communication with the second vapor space.
5. The particulate material sterilization apparatus according to claim 1, wherein the sterilization apparatus further comprises a cooling section for receiving and transferring the particulate material discharged from the discharge port and cooling the same.
6. The particulate material sterilization apparatus according to claim 5, wherein the cooling portion includes a transfer portion for transferring the particulate material and a cover portion for accommodating the transfer portion, one side of the cover portion being communicated with the discharge port, and the other side thereof being open.
7. The particulate material sterilization apparatus according to claim 6, wherein an air injecting portion for injecting air into an inside of the cover portion and an air discharging portion for discharging air from the inside of the cover portion are provided in the cover portion.
8. The particulate material sterilization apparatus according to claim 6, wherein a plurality of cooling pipes through which cooling water is supplied are provided on an outer side surface of the cover portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190132427A KR20210048652A (en) | 2019-10-23 | 2019-10-23 | Sterilization device for particulate materrial |
| KR10-2019-0132427 | 2019-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112690391A true CN112690391A (en) | 2021-04-23 |
Family
ID=75505382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010122509.9A Pending CN112690391A (en) | 2019-10-23 | 2020-02-27 | Apparatus for sterilizing particulate material |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20210048652A (en) |
| CN (1) | CN112690391A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH666791A5 (en) * | 1986-02-24 | 1988-08-31 | Buehler Ag Geb | Cocoa sterilisation appts. |
| FR2721804A1 (en) * | 1994-07-01 | 1996-01-05 | Keddar Alain | Sterilisation by heat treatment of powdered food product |
| JPH11137644A (en) * | 1997-11-14 | 1999-05-25 | Thermal:Kk | Sterilizer for power and granular material |
| JP2006159167A (en) * | 2004-12-02 | 2006-06-22 | Terabondo:Kk | Sterilizing/cleaning apparatus using superheated steam |
| KR100871861B1 (en) * | 2008-04-23 | 2008-12-03 | 허준호 | Sterilizer for particle type food |
-
2019
- 2019-10-23 KR KR1020190132427A patent/KR20210048652A/en not_active Application Discontinuation
-
2020
- 2020-02-27 CN CN202010122509.9A patent/CN112690391A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH666791A5 (en) * | 1986-02-24 | 1988-08-31 | Buehler Ag Geb | Cocoa sterilisation appts. |
| FR2721804A1 (en) * | 1994-07-01 | 1996-01-05 | Keddar Alain | Sterilisation by heat treatment of powdered food product |
| JPH11137644A (en) * | 1997-11-14 | 1999-05-25 | Thermal:Kk | Sterilizer for power and granular material |
| JP2006159167A (en) * | 2004-12-02 | 2006-06-22 | Terabondo:Kk | Sterilizing/cleaning apparatus using superheated steam |
| KR100871861B1 (en) * | 2008-04-23 | 2008-12-03 | 허준호 | Sterilizer for particle type food |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210048652A (en) | 2021-05-04 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |