CN202999242U - Backflow high-temperature air sterilizing device for canned food - Google Patents
Backflow high-temperature air sterilizing device for canned food Download PDFInfo
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- CN202999242U CN202999242U CN 201320010591 CN201320010591U CN202999242U CN 202999242 U CN202999242 U CN 202999242U CN 201320010591 CN201320010591 CN 201320010591 CN 201320010591 U CN201320010591 U CN 201320010591U CN 202999242 U CN202999242 U CN 202999242U
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- sterilizing chamber
- sterilizing
- canned food
- high temperature
- heat exchanger
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Abstract
The utility model discloses a backflow high-temperature air sterilizing device for canned food, belongs to the technical field of high-temperature short-time sterilizing devices for canned food, and aims at the defects of the existing method for directly heating the canned food by a flame that the sanitary condition is poor, the appearance of the can is easily damaged and the inner wall of the can is easily burnt. The backflow high-temperature air sterilizing device comprises a combustion room, a flame generator and a chimney; the flame generator is arranged at the lower part of the combustion room; the chimney is arranged at the upper part of the combustion room; a heat exchanger is arranged inside the combustion room and provided with a sterilizing room and a fan; an air outlet of the heat exchanger is communicated with an air inlet at the lower part of the sterilizing chamber; an air return outlet at the upper part of the sterilizing chamber is communicated with an exhaust inlet of the fan; the air outlet of the fan is communicated with an air return inlet of the heat exchanger; a conveyer belt is arranged between the sterilizing chamber and an operating station; and the position of the conveyer belt inside the sterilizing chamber is higher than that of the air inlet. The backflow high-temperature air sterilizing device is suitable for sterilizing the canned foods in small and medium-sized food processing enterprises.
Description
Technical field
The utility model relates to a kind of tinned food high temperature equipment and technology, particularly relates to a kind of reverse-flow type high temperature gas flow canned food sterilization device.
Background technology
Tinned food all will be through one sterilization process before becoming final products, is all the method that adopts heating usually, kills microorganism in food with high temperature.But, when food is heated, also can manyly bring destruction to heat sensitive nutrition to contained in food unavoidably, color and luster also can occur and change the consequence that the quality such as even brown stain descends.By practice, people recognize, adopt the method for high temperature and adopt the method for general pasteurization to compare, and the fatality rate of microorganism is significantly accelerated, and the quality of food is damaged on the contrary less.So, when at present tinned food being carried out sterilization, all adopt temperature more than 120 ℃, be to arrive the high temperature method of several minutes the several seconds heat time heating time.Especially as the sterilization of the fruit and vegetable tins such as yellow peach, green plum, mushroom, corn, green soya bean, more should adopt the high temperature method.Cause the sterilization environment of high temperature, can adopt high-temperature water or high-temperature steam, but will involve high-pressure bottle and boiler, for some middle-size and small-size food processing enterprises, from technical force, for the first time the investment and operating cost, be all not light burden; Be built in the medium-sized and small enterprises that carry out deep processing for local agriculture and forestry product in rural area, mountain area for some especially, be difficult to especially bear.Therefore, there are a lot of enterprises to adopt the mode of flame continuous burning to realize tinned food is carried out high temperature.In sterilization process, reach the direct heating canned food of flame of 1000 ℃ with temperature, the food in can is warming up within the several seconds more than 90 ℃, reach the purpose of sterilization.But, directly in the sterilizing chamber internal combustion, concerning the operator, sanitary condition is relatively poor with flame, and it is careless slightly that flame temperature is controlled, very the outward appearance of easy damaged can, also can be charred at the inwall of can.
Summary of the invention
The purpose of this utility model is to provide a kind of reverse-flow type high temperature gas flow canned food sterilization device, and the method that overcomes the present direct heating canned food of flame is existing: sanitary condition is relatively poor, easy damaged can outward appearance and the deficiencies such as generation can inwall is charred.
The utility model is achieved by following technical proposals.
The utility model comprises the combustion chamber and is placed in the flame generating means of its underpart and the chimney of section placed on it, in described combustion chamber, heat exchanger is housed, be provided with sterilizing chamber, blower fan, the air inlet of the gas outlet of described heat exchanger and described sterilizing chamber bottom is communicated with, the return-air outlet on described sterilizing chamber top is communicated with the inlet scoop of described blower fan, and the air outlet of described blower fan is communicated with the return air inlet of described heat exchanger; Between described sterilizing chamber and operation position, conveyer belt is housed, the position of described conveyer belt in described sterilizing chamber is higher than described air inlet.The utility model is that the high temperature gas flow that temperature can reach more than 400 ℃ replaces flame that can is heated with after the described heat exchanger of process.Described combustion chamber can be placed in the place beyond described sterilizing chamber, has greatly improved the sanitary condition in sterilization operation place; Higher than described air inlet, the can that just can allow high temperature gas flow from bottom to top be opposite on described conveyer belt heats described conveyer belt in described sterilizing chamber; Because high temperature gas flow is to flow in the pipe-line system of a relative closure, its waste heat of being with can be fully used.
In the technical program, be allocated in more equably between each can in order to make the high temperature gas flow that upwards skims over can from described conveyer belt bottom, in described sterilizing chamber, described conveyer belt below at least one flow deflector is housed.Simultaneously, for the top of can also can be heated simultaneously, in described sterilizing chamber, described conveyer belt above at least one radiant panel is housed, radiation heating is carried out on the top of can; Described radiant panel itself does not generate heat, and it just when stopping high temperature gas flow, has absorbed after the heat again with the top of heat radiation to can.In order to reduce parts of the present utility model and pipeline to the thermal radiation loss in the external world, be provided with heat-insulation layer outside the carrier pipe of described sterilizing chamber, blower fan and high temperature gas flow.
Against existing technologies, the beneficial effects of the utility model are:
Improve the sanitary condition in sterilization operation place, improved canned food outward appearance and inherent quality; Can utilize waste heat used heat or inferior grade fuel, be conducive to energy-conservation.
Description of drawings
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the A-A cut-away view of Fig. 1.In figure: 1, combustion chamber, 2, flame generating means, 3, chimney, 4, heat exchanger, 5, sterilizing chamber, 6, blower fan, 7, the gas outlet, 8, air inlet, 9, the return-air outlet, 10, return air inlet, 11, conveyer belt, 12, flow deflector, 13, radiant panel.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing and the specific embodiment.
The utility model is for present a lot of middle-size and small-size food processing enterprises, directly can is burnt to carry out the improvement of sterilization with flame.Allowing heat bring sterilizing chamber 5 into take high temperature gas flow as carrier with heat exchanger 4 intercepts flame, flue dust, waste gas etc. outside.Heat exchanger 4 can be cylinder iron or heat-resisting steel sheet and plate make, also can be at its flue gas one side surface dress fin to improve heat exchange efficiency.Blower fan 6 must adopt high-temperature blower.The utility model is first opened flame generating means 2 in use, and high-temperature flue gas is discharged by chimney 3 discharge most of heat by heat exchanger 4 in combustion chamber 1 after; Start simultaneously blower fan 6, air-flow is flowed into by over-heat-exchanger 4 by return air inlet 10, obtain high temperature gas flow that heat becomes 400 ℃ of left and right through the gas outlet 7, air inlet 8 enters sterilizing chamber 5, is opposite to the can heating on conveyer belt 11.High temperature gas flow after work is flowed out by return-air outlet 9, carries through blower fan 6, repeats above-mentioned flow process.
Claims (4)
1. reverse-flow type high temperature gas flow canned food sterilization device, comprise the combustion chamber and be placed in the flame generating means of its underpart and the chimney of section placed on it, it is characterized in that, in described combustion chamber, heat exchanger is housed, be provided with sterilizing chamber, blower fan, the air inlet of the gas outlet of described heat exchanger and described sterilizing chamber bottom is communicated with, and the return-air outlet on described sterilizing chamber top is communicated with the inlet scoop of described blower fan, and the air outlet of described blower fan is communicated with the return air inlet of described heat exchanger; Between described sterilizing chamber and operation position, conveyer belt is housed, the position of described conveyer belt in described sterilizing chamber is higher than described air inlet.
2. a kind of reverse-flow type high temperature gas flow canned food sterilization device according to claim 1, is characterized in that, in described sterilizing chamber, described conveyer belt below at least one flow deflector is housed.
3. a kind of reverse-flow type high temperature gas flow canned food sterilization device according to claim 1, is characterized in that, in described sterilizing chamber, described conveyer belt above at least one radiant panel is housed.
4. a kind of reverse-flow type high temperature gas flow canned food sterilization device according to claim 1, is characterized in that, is provided with heat-insulation layer outside the carrier pipe of described sterilizing chamber, blower fan and high temperature gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010591 CN202999242U (en) | 2013-01-06 | 2013-01-06 | Backflow high-temperature air sterilizing device for canned food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010591 CN202999242U (en) | 2013-01-06 | 2013-01-06 | Backflow high-temperature air sterilizing device for canned food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202999242U true CN202999242U (en) | 2013-06-19 |
Family
ID=48590892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010591 Expired - Fee Related CN202999242U (en) | 2013-01-06 | 2013-01-06 | Backflow high-temperature air sterilizing device for canned food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202999242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653173A (en) * | 2013-11-14 | 2014-03-26 | 成都市翻鑫家科技有限公司 | Sterilization tank for pasteurization machine |
-
2013
- 2013-01-06 CN CN 201320010591 patent/CN202999242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653173A (en) * | 2013-11-14 | 2014-03-26 | 成都市翻鑫家科技有限公司 | Sterilization tank for pasteurization machine |
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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: 20130619 Termination date: 20140106 |