CN102805411A - Secondary sterilization technology of microwave prepackaged food - Google Patents
Secondary sterilization technology of microwave prepackaged food Download PDFInfo
- Publication number
- CN102805411A CN102805411A CN2012103035713A CN201210303571A CN102805411A CN 102805411 A CN102805411 A CN 102805411A CN 2012103035713 A CN2012103035713 A CN 2012103035713A CN 201210303571 A CN201210303571 A CN 201210303571A CN 102805411 A CN102805411 A CN 102805411A
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- microwave
- food
- heating chamber
- microwave heating
- sterilization
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- 235000013305 food Nutrition 0.000 title claims abstract description 76
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 30
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 29
- 238000005516 engineering process Methods 0.000 title abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 70
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 235000021485 packed food Nutrition 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims abstract description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 21
- 238000009928 pasteurization Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000010411 cooking Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000037237 body shape Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 abstract 1
- 235000013410 fast food Nutrition 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 206010011469 Crying Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- ZRHANBBTXQZFSP-UHFFFAOYSA-M potassium;4-amino-3,5,6-trichloropyridine-2-carboxylate Chemical compound [K+].NC1=C(Cl)C(Cl)=NC(C([O-])=O)=C1Cl ZRHANBBTXQZFSP-UHFFFAOYSA-M 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to a secondary sterilization technology of microwave prepackaged food. The secondary sterilization technology is characterized in that the food is subjected to secondary temperature return microwave high-temperature sterilization through micro prepackaged food secondary sterilization equipment: the packaged food is put into microwave prepackaged food secondary temperature return sterilization equipment and is divided into two parts to be treated, wherein one part is put into a refrigeration house for refrigerating, and the other part is put into the microwave prepackaged food secondary sterilization equipment; and a lunch box which is needed to be treated is subjected to high-temperature sterilization. According to the microwave prepackaged food secondary sterilization equipment, a box body of a microwave heating cavity is a tunnel type box body; and the heating cavity is high in capacity and high in sterilization and heating speed, and can sterilize and heat a large amount of food simultaneously. According to the microwave prepackaged food secondary sterilization equipment, microwave inhibitors are fixedly arranged on two sides of a material conveyer respectively to inhibit microwaves from scattering outwards, so that the safety of staff is ensured; and an infrared radiation thermodetector is arranged at a discharge hole of the microwave heating cavity to perform a temperature test on the heated food, so that the heating quality is ensured.
Description
Technical field
The present invention relates to a kind of sterilization technology of prepackaged food, particularly microwave prepackaged food re-pasteurization technology.
Background technology
Nowadays, the urbanization problem is on the rise, and urbanization has brought such as a series of problems such as population agglomeration, traffic congestion, environmental pollution, resource scarcitys, with the vigilant urbanization crisis of "urban disease".Concentrate the talk of the population collection problem, it is cardinal task that increased population is had a meal.At some special occasions since the factor in environment, time, space have no idea to settle a dispute by the parties concerned themselves; For example centralized office work zone, large-scale meeting-place, explicit order must not be used processing district of naked light or the like; Whenever at this time always crying some take-aways; But there is hidden danger in the packed meal that individual formula individual workship produces aspect health, and therefore large-scale fast food processing company just arises at the historic moment.These fast food company outputs are big, transport quick and food processing is carried out under aseptic condition entirely, and safe ready is accepted by numerous clients very soon.But find a problem through long-play; The tradition boxed food is divided into basic steps such as making, packing and packing; Make generally all is under aseptic condition, to accomplish; Can not cause bacterial proliferation, but in the process of packing and packing owing to got involved manpower, even carefully also more or less the secondary pollution that causes food again.
Restriction fast food industry development mainly contains two aspects:
One of which, according to the relevant clause regulation that food surveillance authority provides, food should keep the temperature more than 70 ℃ when taking the dish out of the pot; Could guarantee the security performance of food like this; Through the heat transmission of temperature, can not surpass 2 hours when converting the road that draws automotive, therefore limiting the dispensing scope can only be short distance.
Its two because output quantity is huge, workshop must be produced the pantry of sufficient amount at short notice to furnish good supplies to; For guaranteeing the fresh and safety of food, therefore can only do at present earlier and sell, and can not do storage as general merchandise; Limit the shipment amount of kinds of goods, suppressed industry development.
Summary of the invention
According to above technical problem; The present invention provides a kind of microwave prepackaged food re-pasteurization technology; It is characterized in that, utilize microwave prepackaged food re-pasteurization equipment that food is carried out the secondary microwave high-temperature sterilization of rising again, be about to packaged food and put into microwave prepackaged food re-pasteurization equipment and carry out high temperature sterilization; And then food provided and delivered, the present technique concrete steps are:
(1), calculated the secondary lost moisture of rising again, when the cooking, add entry, will cook, adorn box, packing;
(2), divide two parts kind to handle packaged food, the part freezer of packing into refrigerates; Another part is put into microwave prepackaged food re-pasteurization equipment, and the lunch box that needs are handled is placed on material conveyer charging aperture one side, and the conveyer belt of material conveyer is sent lunch box into microwave heating chamber inside; Microwave generator produces microwave then; Microwave gets into microwave heating chamber, and microwave heating chamber produces high temperature, to food heat, sterilization; Hot gas that produces during mechanical movement and moisture are discharged microwave heating chamber inside through hydrofuge heat extraction device; The microwave TVS suppresses microwave to external diffusion, and the food that the infrared radiation temperature measurement device at the externally ported place of microwave heating chamber is accomplished heating carries out temperature test, if the food that heating is accomplished does not reach 68-72 ℃; Infrared radiation temperature measurement device gives the alarm automatically; Control is regulated to the microwave generator effect and then to microwave with detector, and the staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
(3), when supply is required, the packaged food of refrigeration is taken out, put into microwave prepackaged food re-pasteurization equipment and carry out high temperature sterilization; The lunch box that needs are handled is placed on material conveyer charging aperture one side; The conveyer belt of material conveyer is sent lunch box into microwave heating chamber inside, and microwave generator produces microwave then, and microwave gets into microwave heating chamber; Microwave heating chamber produces high temperature; To food heat, sterilization, it is inner that hot gas that produces during mechanical movement and moisture are discharged microwave heating chamber through hydrofuge heat extraction device, the microwave TVS suppresses microwave to external diffusion; The food that the infrared radiation temperature measurement device at the externally ported place of microwave heating chamber is accomplished heating carries out temperature test; If the food that heating is accomplished does not reach 68-72 ℃, infrared radiation temperature measurement device gives the alarm automatically, and control is regulated to the microwave generator effect and then to microwave with detector; The staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
A kind of microwave prepackaged food re-pasteurization equipment; Comprise microwave heating chamber, microwave TVS, microwave generator, material conveyer, hydrofuge heat extraction device, infrared radiation temperature measurement device, control and detector; It is inner and fixing that material conveyer passes microwave heating chamber; The material conveyer both sides are installed with the microwave TVS respectively; The microwave heating chamber upside is installed with hydrofuge heat extraction device, and infrared radiation temperature measurement device and control and detector are installed in microwave heating chamber discharging opening position, and both connect.
Said microwave heating chamber casing is the tunnel type box body shape.
Said microwave generator is installed in the heating using microwave top of chamber.
Said microwave generator is installed in the microwave heating chamber outside.
Said infrared radiation temperature measurement device and control and detector are through wireless connections.
Said control and detector are installed in the microwave heating chamber outside.
Beneficial effect of the present invention is: because food will pass through artificial dress box and packing after taking the dish out of the pot completing; Be easy to breed bacteria; Bring threat for client's health; The present invention has added the sterilisation step of rising again after traditional packing, rise again and bacterium is killed through the high temperature of microwave, has brought guarantee for client's health; And can food be put into freezer behind use the present invention and refrigerate, again to the food high temperature sterilization of rising again, guaranteed the fresh and healthy of food when needed; Also can in advance the food of client's needs be carried out, put into freezer then, directly take out when needing then according to predetermined; Carry out the sterilization of to rise again through equipment; Make food keep fresh and healthy, guaranteed the normal supply of enterprise, prolonged the fresh keeping time of food.Present device microwave heating chamber casing is the tunnel type box body shape, and the heating chamber capacity is big, and a large amount of foods are heated in sterilization simultaneously; The sterilization firing rate is fast, and present device is installed with the microwave TVS respectively in the material conveyer both sides, can suppress the outside scattering of microwave; Guaranteed staff's safety; Infrared radiation temperature measurement device is installed in microwave heating chamber discharging opening position, can carry out temperature test to the food that heating is accomplished, and guarantees the quality of heating.
Description of drawings
Fig. 1 is the present device cutaway view;
Fig. 2 is the present device vertical view.
The specific embodiment
According to Fig. 1, Fig. 2 the present invention is further specified:
Like Fig. 1, Fig. 2, microwave heating chamber-1, microwave TVS-2, material conveyer-3, hydrofuge heat extraction device-4, infrared radiation temperature measurement device-5, control and detector-6, microwave generator-7,
Embodiment 1
According to customer demand cooking food is handled, cooked food is adorned box, packing, then packaged food is put into microwave prepackaged food re-pasteurization equipment; The lunch box that needs are handled is placed on material conveyer 3 charging apertures one side; The conveyer belt of material conveyer 3 is sent lunch box into microwave heating chamber 1 inside, and microwave generator 7 produces microwave then, and microwave gets into microwave heating chamber 1; Microwave heating chamber 1 produces high temperature; To food heat, sterilization, hot gas that produces during mechanical movement and moisture are discharged microwave heating chambers 1 inside through hydrofuge heat extraction device 4, microwave TVS 2 suppresses microwaves to external diffusion; The food that 5 pairs of heating of the infrared radiation temperature measurement device at microwave heating chamber 1 externally ported place are accomplished carries out temperature test; If the food that heating is accomplished does not reach 70 ℃, infrared radiation temperature measurement device 5 gives the alarm automatically, and control acts on and then microwave is regulated with 6 pairs of microwave generator 7 of detector; The staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
Embodiment 2
According to customer demand cooking food is handled, cooked food is adorned box, packing, then cooked food is put into freezer and refrigerate; When the client needs,, put into microwave prepackaged food re-pasteurization equipment and carry out high temperature sterilization the packaged food taking-up of refrigeration; The lunch box that needs are handled is placed on material conveyer 3 charging apertures one side; The conveyer belt of material conveyer 3 is sent lunch box into microwave heating chamber 1 inside, and microwave generator 7 produces microwave then, and microwave gets into microwave heating chamber 1; Microwave heating chamber 1 produces high temperature; To food heat, sterilization, hot gas that produces during mechanical movement and moisture are discharged microwave heating chambers 1 inside through hydrofuge heat extraction device 4, microwave TVS 2 suppresses microwaves to external diffusion; The food that 5 pairs of heating of the infrared radiation temperature measurement device at microwave heating chamber 1 externally ported place are accomplished carries out temperature test; If the food that heating is accomplished does not reach 70 ℃, infrared radiation temperature measurement device 5 gives the alarm automatically, and control acts on and then microwave is regulated with 6 pairs of microwave generator 7 of detector; The staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
Claims (7)
1. a microwave prepackaged food re-pasteurization is technological; It is characterized in that; Utilize microwave prepackaged food re-pasteurization equipment that food is carried out the secondary microwave high-temperature sterilization of rising again; Be about to packaged food and put into microwave prepackaged food re-pasteurization equipment and carry out high temperature sterilization, and then food is provided and delivered, the present technique concrete steps are:
(1), calculated the secondary lost moisture of rising again, when the cooking, add entry, will cook, adorn box, packing;
(2), divide two parts kind to handle packaged food, the part freezer of packing into refrigerates; Another part is put into microwave prepackaged food re-pasteurization equipment, and the lunch box that needs are handled is placed on material conveyer charging aperture one side, and the conveyer belt of material conveyer is sent lunch box into microwave heating chamber inside; Microwave generator produces microwave then; Microwave gets into microwave heating chamber, and microwave heating chamber produces high temperature, to food heat, sterilization; Hot gas that produces during mechanical movement and moisture are discharged microwave heating chamber inside through hydrofuge heat extraction device; The microwave TVS suppresses microwave to external diffusion, and the food that the infrared radiation temperature measurement device at the externally ported place of microwave heating chamber is accomplished heating carries out temperature test, if the food that heating is accomplished does not reach 68-72 ℃; Infrared radiation temperature measurement device gives the alarm automatically; Control is regulated to the microwave generator effect and then to microwave with detector, and the staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
(3), when supply is required, the packaged food of refrigeration is taken out, put into microwave prepackaged food re-pasteurization equipment and carry out high temperature sterilization; The lunch box that needs are handled is placed on material conveyer charging aperture one side; The conveyer belt of material conveyer is sent lunch box into microwave heating chamber inside, and microwave generator produces microwave then, and microwave gets into microwave heating chamber; Microwave heating chamber produces high temperature; To food heat, sterilization, it is inner that hot gas that produces during mechanical movement and moisture are discharged microwave heating chamber through hydrofuge heat extraction device, the microwave TVS suppresses microwave to external diffusion; The food that the infrared radiation temperature measurement device at the externally ported place of microwave heating chamber is accomplished heating carries out temperature test; If the food that heating is accomplished does not reach 68-72 ℃, infrared radiation temperature measurement device gives the alarm automatically, and control is regulated to the microwave generator effect and then to microwave with detector; The staff heats this lunch box again, will heat completion and standard compliant food at last and be transported to the client location.
2. microwave prepackaged food re-pasteurization equipment; Comprise microwave heating chamber, microwave TVS, microwave generator, material conveyer, hydrofuge heat extraction device, infrared radiation temperature measurement device, control and detector; It is inner and fixing that material conveyer passes microwave heating chamber; The material conveyer both sides are installed with the microwave TVS respectively; The microwave heating chamber upside is installed with hydrofuge heat extraction device, and infrared radiation temperature measurement device and control and detector are installed in microwave heating chamber discharging opening position, and both connect.
3. according to the said microwave heating chamber casing of claim 2, it is characterized in that said microwave heating chamber casing is the tunnel type box body shape.
4. according to the said microwave generator of claim 2, it is characterized in that said microwave generator is installed in the heating using microwave top of chamber.
5. according to the said microwave generator of claim 2, it is characterized in that said microwave generator is installed in the microwave heating chamber outside.
6. according to the said infrared radiation temperature measurement device of claim 2, it is characterized in that said infrared radiation temperature measurement device and control and detector are through wireless connections.
7. according to said control of claim 2 and detector, it is characterized in that said control and detector are installed in the microwave heating chamber outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103035713A CN102805411A (en) | 2012-08-24 | 2012-08-24 | Secondary sterilization technology of microwave prepackaged food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103035713A CN102805411A (en) | 2012-08-24 | 2012-08-24 | Secondary sterilization technology of microwave prepackaged food |
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| Publication Number | Publication Date |
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| CN102805411A true CN102805411A (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103035713A Pending CN102805411A (en) | 2012-08-24 | 2012-08-24 | Secondary sterilization technology of microwave prepackaged food |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349493A (en) * | 2018-09-28 | 2019-02-19 | 柳州市清旭贸易有限责任公司 | A kind of microwave prepackaged food secondary temperature sterilization equipment |
| US11229095B2 (en) | 2014-12-17 | 2022-01-18 | Campbell Soup Company | Electromagnetic wave food processing system and methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2626242Y (en) * | 2003-06-24 | 2004-07-21 | 吴永年 | Tunnel microwave device specialized in food sterilization |
| CN200958893Y (en) * | 2006-08-24 | 2007-10-10 | 天水华圆制药设备科技有限责任公司 | Multi-layer tunnel microwave drying and sterilizing machine |
-
2012
- 2012-08-24 CN CN2012103035713A patent/CN102805411A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2626242Y (en) * | 2003-06-24 | 2004-07-21 | 吴永年 | Tunnel microwave device specialized in food sterilization |
| CN200958893Y (en) * | 2006-08-24 | 2007-10-10 | 天水华圆制药设备科技有限责任公司 | Multi-layer tunnel microwave drying and sterilizing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11229095B2 (en) | 2014-12-17 | 2022-01-18 | Campbell Soup Company | Electromagnetic wave food processing system and methods |
| CN109349493A (en) * | 2018-09-28 | 2019-02-19 | 柳州市清旭贸易有限责任公司 | A kind of microwave prepackaged food secondary temperature sterilization equipment |
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Application publication date: 20121205 |