CN108061443A - A kind of mushroom furnace drying method and equipment - Google Patents
A kind of mushroom furnace drying method and equipment Download PDFInfo
- Publication number
- CN108061443A CN108061443A CN201711208374.2A CN201711208374A CN108061443A CN 108061443 A CN108061443 A CN 108061443A CN 201711208374 A CN201711208374 A CN 201711208374A CN 108061443 A CN108061443 A CN 108061443A
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- Prior art keywords
- drying
- temperature
- mushroom
- heat insulation
- return hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of mushroom furnace drying method, the drying mushroom method comprises the following steps：(1) air admission hole and gas vent are opened in progress first step drying, and 30~35 DEG C are played baking, when first step drying progress 3~4 is small, are during which progressively warming up to 40 DEG C；(2) second step drying is carried out, by air admission hole and vent closure 1/3rd, when second step drying progress 4~5 is small, is during which progressively warming up to 50 DEG C；(3) drying of the 3rd step is carried out, by air admission hole and vent closure half, half is opened in the hole that will rise again, and when the 3rd step drying progress 1~2 is small, is during which progressively warming up to 55~60 DEG C；(4) drying of the 4th step is carried out, air admission hole and gas vent are completely closed, the hole that will rise again fully opens, and when the 4th step drying progress 1 is small, during which temperature control is at 60~65 DEG C.The mushroom dried by mushroom furnace drying method provided by the invention is indeformable, golden yellow color, has peat-reek, has higher economic value.
Description
Technical Field
The invention relates to the field of edible mushroom processing, in particular to a shiitake mushroom drying method and shiitake mushroom drying equipment.
Background
The mushroom has unique fragrance, rich nutrition and tender and smooth meat quality, is one of the common ingredients of Chinese and foreign famous dishes and is known as the king of the dish. Meanwhile, in the field of traditional Chinese medicines, the mushroom is also a famous medicinal fungus and has extremely high medicinal values of tonifying qi, activating wind and breaking blood and the like. The Lentinus Edodes is rich in potassium, calcium, etc., and also contains ribose, and has effects of inhibiting cholesterol increase in liver, promoting blood circulation, lowering blood pressure, and nourishing skin. The Lentinus Edodes contains multiple vitamins, and can be used for preventing and treating diseases caused by vitamin deficiency, such as oral ulcer, beriberi, keratitis, dermatoses, anemia, and nyctalopia. Has the health care functions of resisting aging, enhancing the vitality of human body and enabling people to be full of vigor. Recent medicine proves that the shiitake mushroom can enhance physique after being eaten for a long time; softening blood vessels, reducing cholesterol, and preventing and resisting cancer. Therefore, the mushroom is sold in a large amount in domestic and international markets and becomes the edible mushroom ranked second in the world, and the production and processing of the mushroom can bring great economic and social benefits and have wide market prospects.
The annual output of the lentinus edodes in China is 8 ten thousand tons, and the lentinus edodes occupies more than 80% of the global annual output and is the first in the world. Is a traditional export commodity in China. The export of Chinese mushrooms is 3.6 ten thousand tons every year, which also accounts for the first world, the export amount is increased year by year, and the annual increment rate is about 2 percent.
The mushroom drying technology plays a key role in the shape, color and fragrance of mushrooms, and influences the commercial and economic values of the mushrooms. The prior mushroom drying technology falls behind, and the dried mushroom has poor color and luster, unattractive shape, light flavor and even peculiar smell, thereby seriously affecting the commercial economic value of the mushroom.
Disclosure of Invention
In view of the above-mentioned disadvantages and problems of the prior art, an object of the present invention is to provide a shiitake mushroom drying method and apparatus for preparing dried shiitake mushrooms having golden color, natural shape retention, and strong flavor.
In order to achieve the above object, a first aspect of the present invention provides a dried mushroom method, including the steps of: (1) carrying out first-step drying, opening an air inlet and an air outlet, starting drying at the temperature of 30-35 ℃, carrying out the first-step drying for 3-4 hours, and gradually heating to 40 ℃; (2) performing second-step drying, namely closing one third of the air inlet holes and the air outlet holes, performing second-step drying for 4-5 hours, and gradually heating to 50 ℃; (3) performing third-step drying, namely closing half of the air inlet hole and the air outlet hole, opening half of the temperature return hole, performing third-step drying for 1-2 hours, and gradually heating to 55-60 ℃; (4) and (5) drying in the fourth step, completely closing the air inlet and the air outlet, completely opening the temperature return hole, and drying for 1 hour, wherein the temperature is controlled to be 60-65 ℃.
In one embodiment of the present invention, in the step (1), the gradually increasing the temperature to 40 ℃ includes: the temperature is raised by 1-2 ℃ per hour.
In one embodiment of the present invention, in the step (2), the gradually increasing the temperature to 50 ℃ includes: the temperature is raised to 2-2.5 ℃ per hour.
In one embodiment of the present invention, in the step (3), the gradually increasing the temperature to 55-60 ℃ includes: the temperature is raised by 5-10 ℃ per hour.
In an embodiment of the present invention, before the step (1), the method for drying mushrooms further includes: placing the mushroom stem upwards on the baking sieve.
In an embodiment of the present invention, before the step (1), the method for drying mushrooms further includes: the mushroom is upward; drying in the sun for 1-2 hours.
In an embodiment of the present invention, before the step (1), the method for drying mushrooms further includes: the mushroom is upward; spraying water on the mushroom surface; and (3) placing the mushrooms with the mushroom surfaces sprayed with water in the closed space for 20-40 minutes.
The invention also provides mushroom drying equipment, which comprises a heat insulation cover, a heat insulation wall, a drying sieve and an electric heater; the heat insulation cover is connected with the upper end of the heat insulation wall through a hinge, and the heat insulation cover is provided with an exhaust hole; an air inlet is formed in the lower part of one side of the heat insulation wall; a first temperature return hole is formed in the upper part of the other side of the heat insulation wall, a second temperature return hole is formed in the lower part of the other side of the heat insulation wall, and the first temperature return hole is communicated with the second temperature return hole through a first pipeline; the drying screen can be placed in the equipment through a heat insulation cover, is fixed on the heat insulation wall through detachable connection and is arranged below the first temperature return hole; the electric heater is fixed on the heat insulation wall and is arranged between the drying screen and the second temperature return hole; the electric heater is connected with the controller through a lead.
In an embodiment of the present invention, the detachable connection is any one of a threaded connection, a pin connection, and a snap connection.
In an embodiment of the invention, the apparatus further comprises a temperature monitoring component for monitoring the temperature within the apparatus in real time.
Compared with the shiitake mushroom drying method and device in the prior art, the shiitake mushroom drying method and device provided by the invention have the following advantages:
the operation is simple, the control is easy for operators, and the energy is saved;
the dried mushroom keeps natural shape, does not deform, has golden color, has better visual effect, strong fragrance, special fragrance and better taste experience.
Drawings
Fig. 1 is a schematic structural diagram of a shiitake mushroom drying apparatus according to an embodiment of the present invention.
Description of reference numerals (reference numerals check)
1 Heat insulation cover
11 exhaust hole
2 Heat insulation wall
21 air intake
22 first temperature return hole
23 second temperature return hole
24 first conduit
3 drying screen
4 electric heater
41 controller.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The color, shape and smell of dried mushrooms have a great influence on their commercial economic value. The drying method of the mushroom plays a key role in the shape, color and fragrance of the mushroom. In order to provide a mushroom drying method which enables dried mushrooms to keep natural mushrooms and have golden yellow gloss and thick fragrance, the embodiment of the invention provides the mushroom drying method, the mushroom drying method adopts an electric heater heating mode to dry the mushrooms so as to realize accurate control of temperature, and the method specifically comprises the following steps:
(1) and (3) carrying out first-step drying, opening the air inlet and the air outlet, starting drying at the temperature of 30-35 ℃, carrying out the first-step drying for 3-4 hours, and gradually heating to 40 ℃ in the period. The electric heater can be adopted to raise the drying temperature by 1-2 ℃ per hour.
(2) And (5) drying in the second step, closing one third of the air inlet and the air outlet, drying in the second step for 4-5 hours, and gradually heating to 50 ℃. The electric heater can be adopted to raise the drying temperature by 2-2.5 ℃ per hour.
(3) And performing third-step drying, namely closing half of the air inlet and the air outlet, opening half of the temperature return hole, performing third-step drying for 1-2 hours, and gradually heating to 55-60 ℃. The electric heater can be adopted to raise the drying temperature by 5-10 ℃ per hour.
(4) And (5) drying in the fourth step, completely closing the air inlet and the air outlet, completely opening the temperature return hole, and drying for 1 hour, wherein the temperature is controlled to be 60-65 ℃.
It should be noted that, in the process of drying the mushrooms, the temperature rise or the temperature drop cannot be too fast, and should be gradually increased or decreased, otherwise, the mushroom caps of the mushrooms may wrinkle, which affects the beauty of the mushrooms. The highest temperature can not exceed 65 ℃, otherwise, the mushrooms are easy to be burnt. If the drying needs to be carried out in a sieve, the drying is carried out for 5 hours. And after drying, the mushrooms are packaged in time and stored at low temperature, dry and in a dark place.
For mushrooms with white or grey white mushroom surfaces, the mushrooms can be flatly placed on a mushroom sieve with the mushroom surfaces facing upwards, the mushroom sieves are uniformly and lightly sprayed with clear water (the mushrooms cannot be sprayed on mushroom folds) by a clean sprayer, the mushrooms are placed in a closed room, are tightly sealed for 30 minutes, and are normally dried. The method can be carried out for 2-3 times after one time, so that the color of the mushroom is consistent.
In one example, before the mushrooms are dried, the mushrooms can be separated according to size, thickness or dry and wet, then the stems of the mushrooms are placed upwards on a drying sieve, thick mushrooms with small water content are placed on the bottom layer, and thick mushrooms with large water content, thin mushrooms and small mushrooms are placed on the upper layer.
In one example, if the mushrooms are fresh mushrooms with a large water content, the mushrooms can be made to face upwards, placed under the sun to be dried for 1-2 hours, and then placed on a drying sieve according to the placement mode described above, or directly dried.
The embodiment of the invention also provides equipment for drying the shiitake mushrooms, which is used for implementing the shiitake mushroom drying method. As shown in fig. 1, the apparatus includes an insulating cover 1, an insulating wall 2, a drying screen 3, and an electric heater 4. The heat insulation cover 1 and the heat insulation wall 2 are made of heat insulation materials, so that the temperature in the equipment can be maintained, and the energy consumption of the equipment is reduced. The baking sieve 3 is used for placing mushrooms, when the mushrooms are fully placed in the baking sieve, the heat insulation cover 1 is opened, and the baking sieve 3 is placed in the equipment. The electric heater 4 is used for heating air in the device, and the hot air is used for drying the mushrooms. The heat insulation cover (1) is connected with the upper end of the heat insulation wall (2) through a hinge, and the heat insulation cover (1) is provided with an exhaust hole (11); an air inlet 21 is arranged at the lower part of one side of the heat insulation wall 2; a first temperature return hole 22 is formed in the upper portion of the other side of the heat insulation wall 2, a second temperature return hole 23 is formed in the lower portion of the other side of the heat insulation wall 2, and the first temperature return hole 22 and the second temperature return hole 23 are communicated through a first pipeline 24; the drying screen 3 can be placed in the equipment through the heat insulation cover 1, is fixed on the heat insulation wall 2 through detachable connection, and is arranged below the first temperature return hole 22; the electric heater 4 is fixed on the heat insulation wall 2 and is arranged between the drying screen 3 and the second temperature return hole 23; the electric heater 4 is connected to the controller 41 through a wire.
In one example, the detachable connection is any one of a threaded connection, a pinned connection, and a snap-fit connection.
In one example, the device further comprises a temperature monitoring component for monitoring the temperature within the device in real time. The temperature detection means may comprise a temperature sensor disposed within the device and a display screen disposed outside the device. The temperature sensor is used for sensing the temperature in the device, converting the temperature signal into an electrical signal, and transmitting the electrical signal to the display screen, which displays the temperature data in real time, so that the user can control the electric heater through the controller 41.
In conclusion, the present invention can effectively overcome the disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The mushroom drying method is characterized by comprising the following steps:
(1) carrying out first-step drying, opening an air inlet and an air outlet, starting drying at the temperature of 30-35 ℃, carrying out the first-step drying for 3-4 hours, and gradually heating to 40 ℃;
(2) performing second-step drying, namely closing one third of the air inlet holes and the air outlet holes, performing second-step drying for 4-5 hours, and gradually heating to 50 ℃;
(3) performing third-step drying, namely closing half of the air inlet hole and the air outlet hole, opening half of the temperature return hole, performing third-step drying for 1-2 hours, and gradually heating to 55-60 ℃;
(4) and (5) drying in the fourth step, completely closing the air inlet and the air outlet, completely opening the temperature return hole, and drying for 1 hour, wherein the temperature is controlled to be 60-65 ℃.
2. The dried shiitake mushroom method according to claim 1, wherein the gradual temperature rise to 40 ℃ during the step (1) comprises: the temperature is raised by 1-2 ℃ per hour.
3. The dried shiitake mushroom method as claimed in claim 1, wherein the step-by-step temperature rise to 50 ℃ in the step (2) comprises: the temperature is raised to 2-2.5 ℃ per hour.
4. The method for drying shiitake mushrooms according to claim 1, wherein in the step (3), the gradually increasing of the temperature to 55-60 ℃ comprises: the temperature is raised by 5-10 ℃ per hour.
5. The dried shiitake mushroom method according to claim 1, wherein, before the step (1), the dried shiitake mushroom method further comprises:
placing the mushroom stem upwards on the baking sieve.
6. The dried shiitake mushroom method according to claim 1, wherein, before the step (1), the dried shiitake mushroom method further comprises:
the mushroom is upward;
drying in the sun for 1-2 hours.
7. The dried shiitake mushroom method according to claim 1, wherein, before the step (1), the dried shiitake mushroom method further comprises:
the mushroom is upward;
spraying water on the mushroom surface;
and (3) placing the mushrooms with the mushroom surfaces sprayed with water in the closed space for 20-40 minutes.
8. The device for drying the mushrooms is characterized by comprising a heat insulation cover (1), a heat insulation wall (2), a drying sieve (3) and an electric heater (4); wherein,
the heat insulation cover (1) is connected with the upper end of the heat insulation wall (2) through a hinge, and the heat insulation cover (1) is provided with an exhaust hole (11);
an air inlet (21) is arranged at the lower part of one side of the heat insulation wall (2); a first temperature return hole (22) is formed in the upper portion of the other side of the heat insulation wall (2), a second temperature return hole (23) is formed in the lower portion of the other side of the heat insulation wall (2), and the first temperature return hole (22) is communicated with the second temperature return hole (23) through a first pipeline (24);
the drying sieve (3) can be placed in the equipment through the heat insulation cover (1), is fixed on the heat insulation wall (2) through detachable connection and is arranged below the first temperature return hole (22);
the electric heater (4) is fixed on the heat insulation wall (2) and is arranged between the drying screen (3) and the second temperature return hole (23); the electric heater (4) is connected with the controller (41) through a lead.
9. The apparatus of claim 8, wherein the detachable connection is any one of a threaded connection, a pinned connection, and a snap-fit connection.
10. The apparatus of claim 8, further comprising a temperature monitoring component for monitoring temperature within the apparatus in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208374.2A CN108061443A (en) | 2017-11-27 | 2017-11-27 | A kind of mushroom furnace drying method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208374.2A CN108061443A (en) | 2017-11-27 | 2017-11-27 | A kind of mushroom furnace drying method and equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108061443A true CN108061443A (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711208374.2A Pending CN108061443A (en) | 2017-11-27 | 2017-11-27 | A kind of mushroom furnace drying method and equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657634A (en) * | 2019-09-09 | 2020-01-07 | 福建省泉州喜多多食品有限公司 | Drying system for processing and preserving agrocybe cylindracea and drying process thereof |
| CN113208100A (en) * | 2021-06-25 | 2021-08-06 | 上海市农业科学院 | Mushroom drying process |
| CN117337873A (en) * | 2023-11-17 | 2024-01-05 | 湖北裕山菌业有限公司 | Drying method of fresh mushrooms |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110657634A (en) * | 2019-09-09 | 2020-01-07 | 福建省泉州喜多多食品有限公司 | Drying system for processing and preserving agrocybe cylindracea and drying process thereof |
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| CN117337873A (en) * | 2023-11-17 | 2024-01-05 | 湖北裕山菌业有限公司 | Drying method of fresh mushrooms |
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Application publication date: 20180522 |