CN106213120A - Microwave thawing method - Google Patents
Microwave thawing method Download PDFInfo
- Publication number
- CN106213120A CN106213120A CN201610589064.9A CN201610589064A CN106213120A CN 106213120 A CN106213120 A CN 106213120A CN 201610589064 A CN201610589064 A CN 201610589064A CN 106213120 A CN106213120 A CN 106213120A
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- CN
- China
- Prior art keywords
- defrosting room
- defrosting
- thawing method
- microwave thawing
- decompressor
- 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.)
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Classifications
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- 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
- A23L3/365—Thawing subsequent to freezing
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- 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)
- Electric Ovens (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
The present invention proposes a kind of microwave thawing method, including step: the first step, provide a defrosting room and the decompressor being connected with this defrosting room, is placed in defrosting room by thawed material, and by decompressor, the air pressure in defrosting room is down to fixed pressure；The magnetron that second step, offer are located on defrosting room, is in the first setting value by controlling the air pressure in decompressor control defrosting room, then by magnetron to thawed material irradiating microwaves, carries out thaw routine for the first time；3rd step, provide be connected at below defrosting room to device of air, control defrosting room internal gas pressure by decompressor and be in the second setting value, and carry out thaw routine for the second time by injecting steam in defrosting room to device of air.Microwave thawing method thawing rate is fast, efficiency is high for this, and can ensure that the quality of defrosting thing itself.
Description
Technical field
The present invention relates to deforst technique field, particularly to a kind of microwave thawing method.
Background technology
Some frozen goods during such as quick frozen food is typically maintained in the environment of less than-18 DEG C, need to thaw before making
Processing, the most common defreezing method mainly has following several:
1, common immersion method thaws and also makes nature thaw, it is simply that will freeze product and be directly placed in normal-temperature water or cold water and carry out
Thaw, generally take several hours to ten several hours the most several days and could realize thawing, can damage due to overlong time and freeze product product
Matter；
2 or a kind of conventional low temperature defreezing method, will be placed in the fresh-keeping refrigerator of 0 DEG C～4 DEG C by frozen goods
Thawing, although this method is fresh-keeping, but the time is longer；
Above-mentioned defreezing method is primarily present that thawing rate is slow, the low shortcoming of efficiency, awaits improving.
Summary of the invention
The present invention proposes a kind of microwave thawing method, solves the problems such as thawing rate in prior art is slow, efficiency is low.
The technical scheme is that and be achieved in that:
A kind of microwave thawing method, it is characterised in that: comprise the steps:
The first step, provide a defrosting room and the decompressor being connected with this defrosting room, thawed material be placed in defrosting room,
And by decompressor, the air pressure in defrosting room is down to fixed pressure；
The magnetron that second step, offer are located on defrosting room, by controlling at the air pressure that decompressor controls in defrosting room
In the first setting value, then by magnetron to thawed material irradiating microwaves, carry out thaw routine for the first time；
3rd step, provide be connected at below defrosting room to device of air, control defrosting room internal gas pressure by decompressor
It is in the second setting value, and carries out second time thaw routine by injecting steam in defrosting room to device of air.
Preferred version is, this microwave thawing method also includes: the multiple pressure device that the 4th step, offer are connected with defrosting room, will
Air pressure in defrosting room recovers.
Preferred version is, when thawed material is vacuum-packed material, before thawed material is placed in defrosting room, needs
Thawed material is packed and cuts out multiple passage.
Preferred version is, described includes being connected and by supply with water softener for the water softener supplying soft water to device of air
Soft water be processed into the shower nozzle that the reboiler of steam is connected by trachea with reboiler and is sprayed by the steam of reboiler, described
Being additionally provided with an air valve on the trachea being connected between reboiler with shower nozzle, described shower nozzle is located in defrosting room, described air valve, reboiler
And water softener is located at the outside of defrosting room.
Preferred version is, described decompressor includes heat exchanger that vacuum pump is connected with vacuum pump and is connected with heat exchanger
Steam pump, described steam pump is connected with defrosting room by pipeline, and the connection of this heat exchanger has Cold water supply pipeline, and in this cold water
Service is provided with water-supply valve, and this steam pump is also associated with the jet chimney being connected with a boiler, and this jet chimney is provided with
Steam valve.
Preferred version is, the pipeline being connected between described heat exchanger and vacuum pump is additionally provided with a non-return valve.
Preferred version is, described multiple pressure device includes the exogenous QI import pipe connected with defrosting room, this exogenous QI import pipe
Being provided with a multiple pressure valve, this exogenous QI import pipe is connected with aseptic filtration equipment.
Preferred version is, described defrosting room is provided with the door for thawed material turnover, and is provided with removing by its turnover
Fortune car, described mover is provided with microwaves and for placing the support of thawed material.
Preferred version is, the outside of described defrosting room is additionally provided with for being set each step of defrosting pattern, and shows
Show the display of running status, in described defrosting room, be provided with pressure detector of pressure in measuring it.
The invention have the benefit that
The thawing rate of the microwave thawing method of the present invention is fast, efficiency is high, and can ensure that the quality of defrosting thing itself.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of microwave thawing method of the present invention；
Fig. 2 is the structural representation of the thawing equipment of the defreezing method employing of Fig. 1.
In figure:
10, defrosting room；20, magnetron；30, to device of air；40, decompressor；50, multiple pressure device；60, pressure detecting
Device；80, controller；70, thawed material；11, mover；110, support；31, water softener；32, reboiler；33, shower nozzle；34, gas
Valve；41, vacuum pump；42, heat exchanger；43, steam pump；45, non-return valve；46, Cold water supply pipeline；47, water-supply valve；48, steam
Pipeline；49, steam valve；51, exogenous QI import pipe；52, multiple pressure valve；53, aseptic filtration equipment；90, display.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As shown in Figures 1 and 2, this microwave thawing method comprises the steps:
The first step, provide a defrosting room 10 and the decompressor 40 being connected with this defrosting room 10, thawed material 70 is placed in
In defrosting room 10, and by decompressor 40, the air pressure in defrosting room 10 is down to fixed pressure；
The magnetron 20 that second step, offer are located on defrosting room 10, controls in defrosting room 10 by controlling decompressor 40
Air pressure be in the first setting value, then by magnetron 20 to thawed material irradiating microwaves, carry out thaw routine for the first time；
3rd step, provide be connected at below defrosting room 10 to device of air 30, control defrosting room by decompressor 40
10 internal gas pressures are in the second setting value, and carry out second time thaw journey by injecting steam in defrosting room 10 to device of air 30
Sequence.
This microwave thawing method also includes: the multiple pressure device 50 that the 4th step, offer are connected with defrosting room 10, by defrosting room 10
Interior air pressure recovers.
This thawed material 70 can be vacuum-packed meat, it is also possible to be not vacuum packaging.When thawed material is vacuum
During the material packed, before thawed material is placed in defrosting room, multiple passage need to be cut out in thawed material packaging, in case
When only low-pressure steam thaws, this vacuum packaging expands and hinders conduction of heat.
This defrosting room 10 is the pressure vessel that resistance to pressure is strong, which is provided with the door for thawed material turnover.This microwave thawing
May also provide a mover 11 in the first step of method, this mover 11 is provided with the support 110 for placing thawed material 70,
This support 110 microwaves, and can be that multilamellar is arranged, by mover 11, thawed material 70 is loaded onto in defrosting room 10.
This decompressor 40 includes the heat exchanger 42 that vacuum pump 41 is connected and the steaming being connected with heat exchanger 42 with vacuum pump 41
Heat pump 43, described steam pump 43 is connected with defrosting room 10 by pipeline.The pipeline being connected between this heat exchanger 42 with vacuum pump 41
On be additionally provided with a non-return valve 45.This heat exchanger 42 connects Cold water supply pipeline 46, and is provided with in this Cold water supply pipeline 46
Water-supply valve 47.This steam pump 43 is also associated with the jet chimney 48 being connected with a boiler, and this jet chimney 48 is provided with steam valve
49。
This multiple pressure device 50 includes the exogenous QI import pipe 51 connected with defrosting room 10, and this exogenous QI import pipe 51 is provided with
One multiple pressure valve 52, this exogenous QI import pipe 51 is connected with aseptic filtration equipment 53.This multiple pressure valve 52 can be adjustable passing through
The proportioning valve of air capacity.
The outside of this defrosting room 10 is additionally provided with for being set the various situations of defrosting pattern, and shows running status
Display 90.
This controller 80 is for the signal according to pressure detector 60 output, and controls magnetic according to fixed processing routine
Keyholed back plate 20, the air valve 34 to being connected between the reboiler 32 of device of air 30 and shower nozzle 33, vacuum pump 41, the steam of decompressor 40
Valve 49, water-supply valve 47, multiple pressure valve 52 and display 90.
It is additionally provided with the pressure detector 60 of pressure in measuring it in this defrosting room 10, exports according to pressure detector 60
Signal control the controller 80 of the defrosting situation of thawed material in defrosting room 10.
Microwave thawing method thawing rate is fast, efficiency is high for this, and can obtain the defrosting thing of high-quality.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. a microwave thawing method, it is characterised in that: comprise the steps:
The first step, provide a defrosting room and the decompressor being connected with this defrosting room, thawed material is placed in defrosting room, and leads to
Cross decompressor and the air pressure in defrosting room is down to fixed pressure；
Second step, provide the magnetron be located on defrosting room, control the air pressure in defrosting room be in the by controlling decompressor
One setting value, then by magnetron to thawed material irradiating microwaves, carry out thaw routine for the first time；
3rd step, provide be connected at below defrosting room to device of air, control defrosting room internal gas pressure by decompressor and be in
Second setting value, and carry out second time thaw routine by injecting steam in defrosting room to device of air.
2. microwave thawing method as claimed in claim 1, it is characterised in that: also include: the 4th step, offer are connected with defrosting room
Multiple pressure device, by defrosting room air pressure recover.
3. microwave thawing method as claimed in claim 1, it is characterised in that: when thawed material is vacuum-packed material,
Before thawed material is placed in defrosting room, thawed material need to be packed and cut out multiple passage.
4. microwave thawing method as claimed in claim 1, it is characterised in that: described include for supplying soft water to device of air
Water softener is connected with water softener and the soft water of supply is processed into the reboiler of steam and reboiler and is connected by trachea and incites somebody to action
The shower nozzle of the steam ejection of reboiler, the trachea being connected between described reboiler and shower nozzle is additionally provided with an air valve, described shower nozzle
Being located in defrosting room, described air valve, reboiler and water softener are located at the outside of defrosting room.
5. microwave thawing method as claimed in claim 1, it is characterised in that: described decompressor includes vacuum pump and vacuum
Heat exchanger that pump connects and the steam pump that is connected with heat exchanger, described steam pump passes through pipeline and connects with defrosting room, this heat exchanger
Connecting and have Cold water supply pipeline, and be provided with water-supply valve in this Cold water supply pipeline, this steam pump is also associated with a boiler even
The jet chimney connect, this jet chimney is provided with steam valve.
6. microwave thawing method as claimed in claim 5, it is characterised in that: the pipe being connected between described heat exchanger and vacuum pump
A non-return valve it is additionally provided with on road.
7. microwave thawing method as claimed in claim 2, it is characterised in that: described multiple pressure device includes connecting with defrosting room
Exogenous QI import pipe, this exogenous QI import pipe is provided with a multiple pressure valve, and this exogenous QI import pipe is connected with aseptic filtration equipment.
Microwave thawing method the most according to any one of claims 1 to 7, it is characterised in that: described defrosting room is provided with confession
Thawed material turnover door, and be provided with by its turnover mover, described mover be provided with microwaves and for
Place the support of thawed material.
Microwave thawing method the most according to any one of claims 1 to 7, it is characterised in that: the outside of described defrosting room is also
It is provided with for each step of defrosting pattern is set, and shows the display of running status, in described defrosting room, be provided with use
Pressure detector of pressure in measuring it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589064.9A CN106213120A (en) | 2016-07-25 | 2016-07-25 | Microwave thawing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589064.9A CN106213120A (en) | 2016-07-25 | 2016-07-25 | Microwave thawing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106213120A true CN106213120A (en) | 2016-12-14 |
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ID=57531520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589064.9A Pending CN106213120A (en) | 2016-07-25 | 2016-07-25 | Microwave thawing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106213120A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656944A (en) * | 2004-02-16 | 2005-08-24 | 三浦工业株式会社 | Defreezing method and its device |
-
2016
- 2016-07-25 CN CN201610589064.9A patent/CN106213120A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656944A (en) * | 2004-02-16 | 2005-08-24 | 三浦工业株式会社 | Defreezing method and its device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |