CN2884921Y - A highly efficient microwave sterilization machine - Google Patents
A highly efficient microwave sterilization machine Download PDFInfo
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- CN2884921Y CN2884921Y CN 200620058619 CN200620058619U CN2884921Y CN 2884921 Y CN2884921 Y CN 2884921Y CN 200620058619 CN200620058619 CN 200620058619 CN 200620058619 U CN200620058619 U CN 200620058619U CN 2884921 Y CN2884921 Y CN 2884921Y
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- microwave
- runner
- conveyer belt
- sterilization
- metal
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- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The utility model provides a microwave sterilizing machine applicable to effectively sterilizing packaged food, comprising a conveyer belt, a stand, a microwave sterilizing area and a charging and discharging mechanism capable of avoiding microwave leakage. The microwave sterilizing area is divided into a plurality of respectively independent and non-interference microwave radiant chambers along the conveying direction of the sterilized articles through a plurality of metal splitter plates, with every metal splitter plate provided with at the center an elastic metal plate capable of letting the sterilized articles pass and screening microwave, and every microwave radiant chamber is provided with an independent microwave generator. The microwave sterilizing machine of the utility model is capable of ensuring that the sterilized articles can get microwave radiation with enough intensity and great uniformity during passing every microwave radiant chamber, making the sterilized articles be effectively sterilized during short time, which saves energy with lower temperature and less pressure, and the microwave sterilizing machine is especially applicable to subsequent machining of canned food or bagged food.
Description
Technical field
The utility model relates to a kind of sterilization machine of food, relate in particular to a kind of microwave disinfection machine that food enclosed in sealed is carried out sterilization, more particularly, relate to a kind of can be under non high temperature and atmospheric pressure state, the food enclosed in sealed of producing for serialization carry out the microwave disinfection machine of efficient sterilizing.
Background technology
The reason of food apoilage is the existence of microorganism, and we are referred to as bacterium to this microorganism, sterilization be food processing must be through operation.For canned or packed food, in order to prolong its holding time, need carry out sterilization to the food after the packing, the most frequently used in the past way is to adopt high temperature sterilization: be about to canned or packed food and put into pressure cooker, leading to into, the steam of certain hour heats food, and make food under the temperature about 126 ℃, keep the regular hour, bacterium is killed fully, thereby prevents the rotten of food.The advantage of this method is that after treatment effective period of food quality is longer, and shortcoming is: 1) before the heating, must the iron cage be put in the pressure cooker manually packaged food is put into an iron cage by part, the closing presure pot is opened steam valve then again; After heating finished, the steam off valve was opened pressure cooker, took out the iron cage, took out product by part again, removed the moisture of product surface, and this technology can't be carried out continuous productive process, and efficient is lower; 2) each all must bringing up to the temperature in the pressure cooker 120 from normal temperature with steam spent more, just can open pressure cooker again after more than 120 degree drop to normal temperature, and heat energy is wasted in vain; 3) food is in high temperature for a long time, and its composition and tissue are changed, thereby influences taste, the mouthfeel of food, even changes the nutritional labeling of food.
In recent years, along with developing rapidly of microwave technology, food-processing industry gradually with microwave applications to the drying of food, thaw etc., also there is the equipment that utilizes microwave to carry out sterilization to occur in recent years, but mostly these equipment are to be applied in the sterilization to medicine before raw-food material or the packing, promptly inapplicable for the food after the packing.Utilize microwave to packing the equipment patent that back food carries out sterilization though have on the Chinese patent literature, but these patents are difficult to realize and popularize, because these equipment whole piece sterilization passages are not have to cut off, the microwave that each microwave generator sends is concentrated inadequately, and interfere with each other, cause the radiation intensity and the uniformity not enough, often need effectively sterilization of microwave radiation ability through the long period, and microwave radiation for a long time, not only waste energy, and certainly exist and cause that because of temperature rise is too high pressure rises, thereby cause container to expand, distortion, even the appearance of problem such as break, adding and the leakage of microwave is handled perfect inadequately, also is to influence the problem that can these equipment be used safely; In addition, all there are mistaken ideas in design in these equipment, promptly to reach certain temperature value as bacterium killed criterion whether.Because food is under the microwave radiation, intermolecular mutual collision, extruding and friction can produce heat, therefore the phenomenon that is inevitable heats up, and whether reach a certain temperature value, decide different basal temperatures according to the basal temperature of food, microwave radiation through the identical time, the temperature that finally reaches is different, and therefore whether reaching a certain temperature value is not the necessary condition that judges whether effective sterilization, and this is probably relevant to the understanding deficiency of microwave disinfection principle with the designer.Everybody thought in the past, microwave disinfection is to utilize the hyperfrequency of per second 2,400,000,000 5 thousand times to shake fast, make protein in the food, fat, sugar and water equimolecular collide mutually, push, rub and generate heat, when the food heating reached uniform temperature, bacterium wherein was just dead; In fact; a bacterium promptly is a cell; the outermost layer of cell is cell membrane, cell membrane; play protection and supportint cell; cell membrane, membranolysis; cell is just dead; microwave disinfection is to utilize the hyperfrequency of microwave per second 2,400,000,000 5 thousand times to shake protein of bacteria, fat, sugar, water equimolecular fast; allow cell membrane, the cell membrane of these molecular impingement bacteriums; when these impulsive forces have certain intensity and can continue the regular hour; cell membrane, cell membrane just break, and bacterium is also just dead.Microwave disinfection carries out sterilization by non-thermal effect, as long as intermolecular mutual collision, extruding and friction reach certain degree, and the cell membrane of bacterium, membranolysis, bacterium is just dead, can reach sterilization effects; Bacteria wall, membranolysis be can make and intermolecular mutual collision, extruding and friction are reached at short notice, sufficient intensity, enough microwave radiation uniformly then needed.
Summary of the invention
For solving the problem of above-mentioned existence, the purpose of this utility model provide a kind of rational in infrastructure, radiation is even, safe in utilization, and can be issued to the microwave disinfection machine that serialization is produced that is applicable to of efficient sterilizing at non high temperature and normal pressure.
For realizing above purpose, sterilization machine of the present utility model comprise be used to transmit by the cycloconveyor belt of sterilization article, be used to support cycloconveyor belt support, be positioned at the microwave disinfection district on the conveyer belt and be positioned at the feeding-discharging mechanism that having of conveyer belt two ends prevents that microwave from revealing; Above-mentioned microwave disinfection district and feeding-discharging mechanism are in together in the metal seal box, the microwave disinfection district is positioned in the middle of the seal box, feeding-discharging mechanism is positioned at the import and export of seal box, the microwave disinfection district is along being divided into several independent separately, non-interfering microwave radiation chambers by the direction of transfer of sterilization article by the number of metal demarcation strip, be provided with in the middle of each metal demarcation strip can for by the sterilization article by and elastic sheet metal that can shield microwaves, each microwave radiation chamber is provided with independently microwave generator.
Above-mentioned elastic sheet metal is sheet metal that laterally is two pectinations or the sheet metal that vertically is single pectination.
Above-mentioned microwave radiation chamber quantity is 6-15, and this radiation chamber is made of six metallic plates, and wherein base plate is made of metal conveyer belt and protecting band plate.
In order to make food can pass in and out the microwave disinfection district continuously fast, and the microwave in microwave disinfection district does not leak, above-mentioned feeding-discharging mechanism be batch (-type) rotate the metal runner, this runner is cylindric, the diameter of cylinder is suitable with the width of seal box, the side of cylinder evenly is provided with N and can holds single by the cavity of sterilization article, the every interval of runner certain hour rotates 1/N week, runner stops at every turn, one of them cavity is over against the direction of conveyer belt operation, and runner is provided with the metallic elastic shim that is pectination with the gap location of sealing tank wall.
Above-mentioned feeding-discharging mechanism is to be horizontally placed on the metal runner of the batch (-type) rotation on the conveyer belt or the metal runner that continous way is rotated, this runner and conveyer belt maintain a certain distance, its rotating shaft is vertical with the direction that conveyer belt advances, it is cylindric that runner is, the diameter of cylinder is suitable with the width of seal box, the side of cylinder evenly is provided with N and can holds single by the cavity of sterilization article, runner rotates, when one of them cavity and conveyer belt over against the time, just can be dropped on the conveyer belt by the sterilization article, runner is provided with the metallic elastic shim that is pectination with the gap location of sealing tank wall.
In order to make microwave energy radiation from different directions by the sterilization article, the microwave generator that above-mentioned microwave generator is positioned at seal box sidewall and two adjacent microwave radiation chambers is symmetrical set with respect to the direction that conveyer belt advances.
In order to be obtained identical microwave amount of radiation by the different position of sterilization article, the microwave generator of above-mentioned each microwave radiation chamber is from top to bottom or the stepped arrangement of equidistant from bottom to top decline or rising.
For make not the microwave that absorbed by the sterilization article with various angle reflected back by the sterilization article, avoid food to have the microwave dead angle, above-mentioned each microwave radiation chamber sidewall relative with microwave generator is provided with the corrugated metallic plate.
In order to guarantee not caused because of temperature is too high by the sterilization article generation of container expansion, distortion even fracture phenomena, above-mentioned each microwave radiation area is provided with the excess temperature power-off protection apparatus.
Microwave generator works on during for fear of zero load, and above-mentioned each microwave radiation chamber is provided with follows the tracks of the Material control switch.
Microwave disinfection machine of the present utility model, because the microwave disinfection district of metal seal box mid portion is divided into several microwave radiation chambers independently mutually, about each radiation chamber, front and back, about be metallic plate, the microwave that each microwave generator sends except that direct radiation by the sterilization article on one's body, the microwave interreflection in radiation chamber that is absorbed by article not, all drop at last by on one's body the sterilization article, so just can guarantee through each radiation chamber the time, can both be obtained sufficient intensity by the sterilization article, enough microwave radiation uniformly, by the sterilization article are single-row at the uniform velocity pass through several microwave radiation chambers after, can obtain the microwave radiation of continuous sufficient intensity, make and to be obtained effective sterilization at short notice by the sterilization article, energy savings not only, and temperature rise is not high, and pressure is little.In addition, each microwave radiation chamber adopts the metallic elastic shim of pectination to separate, can guarantee by the sterilization article on conveyer belt, move unimpeded, make again microwave high concentration that each microwave generator sends, do not disturb mutually.Preventing in the processing that microwave is revealed, microwave disinfection machine of the present utility model, feeding-discharging mechanism is set to dexterously and can transmits continuously automatically by the sterilization article, has the function that prevents microwave leakage again, both guaranteed the security that equipment uses, again can with closely cooperated by the flow-wraps line of sterilization article, be particularly suitable for the following process of canned or packed food.
Description of drawings
Fig. 1 is the plan structure schematic diagram of an embodiment of the utility model microwave disinfection machine.
Fig. 2 is the structural representation that has laterally two pectination sheet metal demarcation strips.
Fig. 3 is the structural representation of utility model microwave disinfection machine feeding-discharging mechanism.
Fig. 4 is the structural representation of the another kind of form feeding-discharging mechanism of utility model microwave disinfection machine.
Fig. 5 is by the vertical view of sterilization article through the metallic elastic shim of two pectinations.
Fig. 6 is by the front view of sterilization article through the metallic elastic shim of two pectinations.
Fig. 7 is Fig. 3 batch (-type) runner partial front elevation view.
Fig. 8 is the profile of Fig. 3 along the A-A line.
Fig. 9 is the plan structure schematic diagram of another embodiment of the utility model microwave disinfection machine.
Figure 10 has the structural representation that vertically is single pectination sheet metal demarcation strip in the middle of being.
The specific embodiment
As shown in Figure 1, microwave disinfection machine of the present utility model comprises the metal ring conveyer belt 1 that is used to transmit by the sterilization article, the metallic support 2 that is used for support belt, be positioned at the metal seal box 3 on the conveyer belt, the seal box mid portion is divided into ten microwave radiation chambers 32 independently separately by metal partion (metp) 31, the centre of each metal partion (metp) is the metallic elastic shim 311 that is two pectinations, the dual-side of shim is fixed on the metal partion (metp), as shown in Figure 2, the length of each microwave radiation chamber, wide, height is: the high 250mm of 300mm * 200mm, each radiation chamber 32 sidewall is provided with microwave generator 33, the power of each microwave generator is: 0.8KW, the microwave generator of adjacent two microwave radiation chambers is symmetrical set with respect to the direction that conveyer belt advances, it is radiation chamber 1,3,5,7,9 microwave generator is installed in the left side, and radiation chamber 2,4,6,8,10 microwave generator then is installed in the right, and each microwave generator is from top to bottom or the stepped arrangement of equidistant from bottom to top decline or rising, and the periphery that is positioned at the microwave disinfection district also is provided with electric appliance box cover 8; In order to make not the microwave that is absorbed by food on one's body various different angles reflected back food, the sidewall that each radiation chamber is relative with microwave generator is provided with undulatory metallic plate 34, shown in Fig. 5,6.Be provided with this in the import and export of seal box and import and export close-fitting feeding-discharging mechanism, this feeding-discharging mechanism is to be positioned at the metal runner 4 that conveyer belt both ends batch (-type) rotates, as shown in Figure 3, this runner is cylindric, the diameter of cylinder and height and the width of microwave treatment case and highly suitable, the side of cylinder evenly is provided with 4 and can holds single by the cavity 41 of sterilization article, the every interval of runner certain hour rotated for 1/4 week, runner stops at every turn, one of them cavity is over against the direction of conveyer belt 1 operation, cavity is over against the outlet of charging moving belt 7, and this mode is suitable for the canned food of comparison rule; In order to prevent that runner from leaking the space of microwave between runner and sealing tank wall in rotation process, the part that runner contacts with seal box is equipped with the metallic elastic shim 42 of pectination, shown in Fig. 7,8.
When preventing device fails, it is oversize that material rests on the microwave region time, do not caused the generation of container expansion, distortion even fracture phenomena because of temperature is too high by the sterilization article, each microwave radiation chamber is provided with the excess temperature power-off protection apparatus, measure the temperature of food surface, when temperature reaches certain numerical value, stop the work of microwave generator, to guarantee the safety of packing container; In addition, microwave generator works on during for fear of zero load, and each microwave radiation chamber is provided with the gauge tap of following the tracks of material, and when food entered the microwave radiation chamber, microwave generator was started working, and when food left radiation chamber, microwave generator quit work.
The centre of above-mentioned each metallic plate also can be the sheet metal 312 that vertically is single pectination, as shown in figure 10.
Above-mentioned feeding-discharging mechanism also can be metal runner or the continuous metal runner that rotates that is positioned at the batch (-type) rotation of top, conveyer belt both ends, its rotating shaft is vertical with the direction that conveyer belt advances, but not in same plane, seal box extends upwardly to the top of runner in its end, runner rotates, when one of them cavity and conveyer belt over against the time, just can be dropped on the conveyer belt by the sterilization article, this mode is suitable for irregular packaged food, as shown in Figure 4.
Above-mentioned feeding-discharging mechanism can also be by feeding distribution mechanism and be positioned at the conveyer belt top, what one end was fixed in the sealing tank wall can be along moving up and down or the twice gate of move left and right constitutes, feeding distribution mechanism is positioned at the conveyer belt top, its function is each part material separately and maintain a certain distance, gate is provided with automatic unlatching, closing organ, feeding distribution mechanism is sent into every food the charging aperture of conveyer belt at regular intervals, when food during near the first road gate 51, the first road gate is opened automatically, and after food passed through fully, the first road gate was closed immediately, when food during near the second road gate 52, the second road gate is opened automatically, and after food passed through fully, the second road gate was closed immediately, the twice gate is trivial mutually, when gate 51 was opened, gate 52 was closed, when gate 52 is opened, gate 51 is closed, and does not leak to guarantee microwave.
This sterilization machine also is provided with conveyer belt velocity indicator, conveyer belt speed regulator, each microwave generator is provided with independent switch, the microwave output quantity in a tunable integer microwave disinfection district, the speed of conveyer belt and the output quantity of microwave have determined jointly by the degree of sterilization article raying, different food, different weight, its required amount of radiation of sterilizing fully is different with radiated time.
The operation principle of the utility model microwave disinfection machine: by the single-row cavity of sending into the batch (-type) runner by charging moving belt 7 of sterilization article, send into the feed end of conveyer belt again by runner, traveled at the uniform speed to the inlet of the first microwave radiation chamber with conveyer belt by the sterilization article, enter the first microwave radiation chamber behind the metallic elastic shim through two pectinations, microwave generator in the first microwave radiation chamber is started working, be subjected to from all directions in the first microwave radiation chamber by the sterilization article, the microwave radiation that intensity is enough, by protein of bacteria in the sterilization article, fat, sugar, the water equimolecular begins mutual collision, extruding and friction, continued to enter the second microwave radiation chamber by the sterilization article and carry out radiation with the conveyer belt operation, after being passed through each microwave radiation chamber one by one by the sterilization article, each intermolecular mutual collision in the bacterium, extruding and friction are enough to make the cell membrane of bacterium, during membranolysis, bacterium is just dead, moved to discharging opening by the sterilization article with conveyer belt, by discharging mechanism the article that sterilization is good are sent, finished the process of whole sterilization.Whether the microwave generator of each microwave radiation chamber works simultaneously, is decided by that the utility model sterilization machine microwave peak power microwave 8KW can 10 grades of adjustings by the weight of the kind of sterilization article and each packing.
Claims (10)
1, a kind of microwave disinfection machine of efficient sterilizing, comprise be used to transmit by the cycloconveyor belt of sterilization article, be used to support cycloconveyor belt support, be positioned at the microwave disinfection district on the conveyer belt and be positioned at the feeding-discharging mechanism that having of conveyer belt two ends prevents microwave leakage; It is characterized in that: described microwave disinfection district and feeding-discharging mechanism are in together in the metal seal box, the microwave disinfection district is positioned in the middle of the seal box, feeding-discharging mechanism is positioned at the import and export of seal box, the seal box mid portion is along being divided into several independent separately, non-interfering microwave radiation chambers by the direction of transfer of sterilization article by the number of metal demarcation strip, be provided with in the middle of each metal demarcation strip can for by the sterilization article by and elastic sheet metal that can shield microwaves, each microwave radiation chamber is provided with independently microwave generator.
2, sterilization machine according to claim 1 is characterized in that: described elastic sheet metal is sheet metal that laterally is two pectinations or the sheet metal that vertically is single pectination.
3, sterilization machine according to claim 1 and 2 is characterized in that: described microwave radiation chamber quantity is 6-15, and this microwave radiation chamber is made of six metallic plates, and wherein base plate is made of metal conveyer belt and protecting band plate.
4, sterilization machine according to claim 1 and 2, it is characterized in that: described feeding-discharging mechanism be batch (-type) rotate the metal runner, this runner is cylindric, the diameter of cylinder is suitable with the width of seal box, the side of cylinder evenly is provided with N and can holds singlely by the cavity of sterilization article, and the every interval of runner certain hour rotates 1/N week, and runner stops at every turn, one of them cavity is over against the direction of conveyer belt operation, and runner is provided with the metallic elastic shim that is pectination with the gap location of sealing tank wall.
5, sterilization machine according to claim 1 and 2, it is characterized in that: described feeding-discharging mechanism is to be horizontally placed on the metal runner of the batch (-type) rotation on the conveyer belt or the metal runner that continous way is rotated, this runner and conveyer belt maintain a certain distance, its rotating shaft is vertical with the direction that conveyer belt advances, it is cylindric that runner is, the diameter of cylinder is suitable with the width of seal box, the side of cylinder evenly is provided with N and can holds single by the cavity of sterilization article, runner rotates, when one of them cavity and conveyer belt over against the time, just can be dropped on the conveyer belt by the sterilization article, runner is provided with the metallic elastic shim that is pectination with the gap location of sealing tank wall.
6, sterilization machine according to claim 1 and 2 is characterized in that: the microwave generator that described microwave generator is positioned at seal box sidewall and two adjacent microwave radiation chambers is symmetrical set with respect to the direction that conveyer belt advances.
7, sterilization machine according to claim 6 is characterized in that: the microwave generator of described each microwave radiation chamber is from top to bottom or the stepped arrangement of equidistant from bottom to top decline or rising.
8, sterilization machine according to claim 1 and 2 is characterized in that: described each microwave radiation chamber sidewall relative with microwave generator is provided with undulatory metallic plate.
9, sterilization machine according to claim 1 and 2 is characterized in that: described each microwave radiation area is provided with the excess temperature power-off protection apparatus.
10, sterilization machine according to claim 1 and 2 is characterized in that: described each microwave radiation chamber is provided with the gauge tap of following the tracks of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058619 CN2884921Y (en) | 2006-04-26 | 2006-04-26 | A highly efficient microwave sterilization machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058619 CN2884921Y (en) | 2006-04-26 | 2006-04-26 | A highly efficient microwave sterilization machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884921Y true CN2884921Y (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620058619 Expired - Fee Related CN2884921Y (en) | 2006-04-26 | 2006-04-26 | A highly efficient microwave sterilization machine |
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| Country | Link |
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| CN (1) | CN2884921Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696393A (en) * | 2012-06-13 | 2012-10-03 | 湖南阳东微波科技有限公司 | Sterilizer for composts of edible fungi |
| CN107535796A (en) * | 2017-10-10 | 2018-01-05 | 石河子大学 | Biobelt type micro-wave quick sterilization device |
| CN112617095A (en) * | 2020-12-31 | 2021-04-09 | 泌阳亿健食品有限公司 | Microwave sterilization device for mushroom food processing |
-
2006
- 2006-04-26 CN CN 200620058619 patent/CN2884921Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696393A (en) * | 2012-06-13 | 2012-10-03 | 湖南阳东微波科技有限公司 | Sterilizer for composts of edible fungi |
| CN107535796A (en) * | 2017-10-10 | 2018-01-05 | 石河子大学 | Biobelt type micro-wave quick sterilization device |
| CN112617095A (en) * | 2020-12-31 | 2021-04-09 | 泌阳亿健食品有限公司 | Microwave sterilization device for mushroom food processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20100426 |