CN109894011B - Preparation method and preparation device of fresh-keeping gas for dried bean curd - Google Patents
Preparation method and preparation device of fresh-keeping gas for dried bean curd Download PDFInfo
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- CN109894011B CN109894011B CN201910265106.7A CN201910265106A CN109894011B CN 109894011 B CN109894011 B CN 109894011B CN 201910265106 A CN201910265106 A CN 201910265106A CN 109894011 B CN109894011 B CN 109894011B
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Abstract
The invention discloses a preparation device of fresh-keeping gas for dried bean curd, which comprises a heater box body and a base fixedly arranged at the bottom of the heater box body, wherein a speed regulator, a display screen I and a processor I are arranged on the front surface of the heater box body, a speed regulating knob is arranged on the speed regulator, a battery is arranged at the bottom of the heater box body, and a groove is formed in the upper surface of the heater box body. Has the advantages that: the fresh-keeping gas for the dried bean curd does not contain toxic gases such as carbon monoxide and the like, is safe, protects the environment, simultaneously does not contain carbon dioxide, thoroughly avoids the problem that the protein of the dried bean curd is deteriorated due to the propagation of anaerobic bacteria microorganisms, is convenient to prepare alcohol steam, is simple to operate, low in preparation cost, convenient to popularize and use commercially and good in practicability.
Description
Technical Field
The invention relates to the field of fresh-keeping gas, in particular to a preparation method and a preparation device of fresh-keeping gas for dried bean curd.
Background
The dried bean curd is an important traditional food and a characteristic bean product in China, has long processing history, unique flavor, delicious taste, high nutritional value, convenient carrying, suitability for people of all ages and wide development and application prospect. It is rich in protein, free of cholesterol, and has many excellent processing qualities. In addition, isoflavone rich in dried bean curd has cancer inhibiting effect.
The dried bean curd contains abundant protein, and the protein has complex composition and structure and is easy to deteriorate. At present, the production, storage and fresh keeping of dried bean curd in China are relatively traditional, the sanitary quality is poor, the product standardization degree is low, the quality is unstable, and the development of dried bean curd products in China is severely restricted.
Although there are preservation gases specially used for preserving dried bean curd, most of these preservation gases still have some problems in practical use, for example, chinese patent application No. 201710701793.3 discloses a preservation gas for dried bean curd, which includes a diluent gas and an effect gas, the effect gas includes carbon dioxide, methane, gaseous water and carbon monoxide, and the diluent gas is an inert gas. The fresh-keeping gas for the dried bean curd has good fresh-keeping effect on the dried bean curd. The invention also provides a preparation method of the dried bean curd fresh-keeping gas, which is used for preparing the dried bean curd fresh-keeping gas and comprises the step of mixing diluent gas, carbon dioxide, methane, gaseous water and carbon monoxide. The preparation method is simple. The invention also provides a preparation device of the dried bean curd fresh-keeping gas, which is used for preparing the dried bean curd fresh-keeping gas and comprises a gas supply pipeline, a vacuum container, a vacuum pump and a first pressure gauge, wherein the first pressure gauge is communicated with the vacuum container, the vacuum container is provided with an air inlet valve, the vacuum container is communicated with the gas supply pipeline, and the vacuum pump is communicated with the gas supply pipeline.
The problem that carbon monoxide is toxic due to the fact that carbon monoxide is large exists in the patent, carbon monoxide poisoning is easily caused, some bacteria on the dried bean curd belong to anaerobic bacteria, carbon dioxide needs to be consumed by the bacteria microorganisms in the breeding process, and therefore the dried bean curd is still deteriorated due to the adoption of the fresh-keeping gas.
Disclosure of Invention
The present invention aims to solve the above problems and to provide a method and an apparatus for preparing a fresh-keeping gas for dried bean curd.
The invention realizes the purpose through the following technical scheme:
a fresh-keeping gas for dried bean curd contains nitrogen and alcohol vapor.
Wherein the gas volume ratio of the nitrogen gas to the alcohol vapor is 9: 1.
Wherein the alcohol steam is formed by heating and evaporating alcohol with the concentration of seventy-five percent, and the volume ratio of the alcohol to the water vapor in the formed alcohol steam is 3: 1.
A preparation device of fresh-keeping gas for dried bean curd comprises a heater box body and a base fixedly installed at the bottom of the heater box body, wherein a speed regulator, a display screen I and a processor I are arranged on the front surface of the heater box body, a speed regulating knob is arranged on the speed regulator, a battery is arranged at the bottom of the heater box body, a groove is formed in the upper surface of the heater box body, a protective pad is arranged on the inner wall of the groove, an electric heating sheet is arranged on the protective pad, a heating bottle is placed in the groove, a temperature sensor is arranged at the bottom of the inner side of the heating bottle, a liquid injection pipe, an exhaust pipe and a stirring motor are arranged at the upper end of the heating bottle, the lower end of the stirring motor is connected with a stirring shaft, a stirring paddle is arranged on the side surface of the stirring shaft, a gas pipe is arranged at the upper end of the exhaust pipe, a first electromagnetic valve is arranged at the upper end of the gas pipe, a first outlet pipe and a second outlet pipe are arranged on one side surface of the electromagnetic valve, the vacuum degree control device is characterized in that a collecting box and a one-way valve are arranged on two sides of the gas outlet pipe, an exhaust pipe is arranged on the upper surface of the collecting box, a second electromagnetic valve is arranged at the upper end of the exhaust pipe, a vacuum pump is connected to the upper end of the second electromagnetic valve, a first gas exhaust pipe is arranged at the upper end of the vacuum pump, a vacuum degree sensor is arranged on the inner wall of the collecting box, a second display screen, a second processor and a second gas exhaust pipe are arranged on the back surface of the collecting box, and a third electromagnetic valve is arranged on the second gas exhaust pipe.
Wherein, heater box side is provided with the louvre, the louvre inboard with the recess intercommunication.
Wherein the lower surface of the heating bottle is in close contact with the electric heating sheet.
Wherein, the pipe orifice at the upper end of the liquid injection pipe is embedded with a sealing plug.
Wherein, the collecting box front is provided with the observation window.
Wherein, the speed regulator is electrically connected with the stirring motor.
The first processor is electrically connected with the temperature sensor and the first display screen.
The one-way valve is positioned on the second air outlet pipe in the collecting box.
And the second processor is electrically connected with the vacuum degree sensor and the second display screen.
A preparation method of a fresh-keeping gas for dried bean curd comprises the following steps:
1. controlling the first electromagnetic valve to communicate the gas pipe with the first gas outlet pipe, and then controlling the vacuum pump to act to pump air out of the collection box;
2. seventy-five percent of alcohol is injected into the heating bottle through the liquid injection pipe, and then the electric heating sheet is started to heat the heating bottle;
3. and after heating for a period of time, controlling the first electromagnetic valve to communicate the gas pipe with the second gas outlet pipe, and simultaneously closing the vacuum pump and the second electromagnetic valve, so that the operation of collecting the fresh-keeping gas of the dried bean curd can be carried out.
And in the action process of the vacuum pump in the step 1, the vacuum degree data in the collection box can be displayed through the second display screen.
And 2, displaying the temperature in the heating bottle in the heating process through the display screen.
Has the advantages that: the fresh-keeping gas for the dried bean curd does not contain toxic gases such as carbon monoxide and the like, is safe, protects the environment, simultaneously does not contain carbon dioxide, thoroughly avoids the problem that the protein of the dried bean curd is deteriorated due to the propagation of anaerobic bacteria microorganisms, is convenient to prepare alcohol steam, is simple to operate, low in preparation cost, convenient to popularize and use commercially and good in practicability.
Drawings
FIG. 1 is a front view of a device for dispensing fresh-keeping gas for dried bean curd according to the present invention;
FIG. 2 is a front view of the internal structure of the apparatus for preparing fresh-keeping gas for dried bean curd according to the present invention;
FIG. 3 is a top view of a heater housing of the device for dispensing fresh-keeping gas for dried bean curd according to the present invention;
FIG. 4 is a rear view of a collection box of the device for dispensing fresh-keeping gas for dried bean curd according to the present invention.
The reference numerals are explained below:
1. a heater case; 2. a base; 3. a first display screen; 4. a first processor; 5. a speed regulator; 6. a speed regulation knob; 7. heating the bottle; 8. a liquid injection pipe; 9. a sealing plug; 10. a stirring motor; 11. an exhaust pipe; 12. a gas delivery pipe; 13. a first electromagnetic valve; 14. a first air outlet pipe; 15. a second air outlet pipe; 16. a collection box; 17. a one-way valve; 18. a vacuum degree sensor; 19. a second electromagnetic valve; 20. a vacuum pump; 21. an air exhaust pipe; 22. a first air discharging pipe; 23. an observation window; 24. a stirring shaft; 25. a stirring paddle; 26. a groove; 27. an electrical heating sheet; 28. heat dissipation holes; 29. a battery; 30. a second display screen; 31. a second processor; 32. a second air discharging pipe; 33. a third electromagnetic valve; 34. a protective pad; 35. a temperature sensor.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
as shown in fig. 1 to 4, a fresh-keeping gas for dried bean curd includes nitrogen and alcohol vapor.
In this example, the gas volume ratio of the nitrogen gas to the alcohol vapor was 9: 1.
In this embodiment, the alcohol vapor is formed by heating and evaporating alcohol with a concentration of seventy-five percent, a volume ratio of alcohol to water vapor in the formed alcohol vapor is 3:1, and since the alcohol with a concentration of seventy-five percent has the strongest bactericidal power, the alcohol with a concentration of seventy-five percent is selected to prepare the alcohol vapor.
The utility model provides a preparation device of dried bean curd fresh-keeping gas, includes heater box 1 and fixed mounting in the base 2 of heater box 1 bottom, heater box 1 openly is provided with speed regulator 5, display screen 3 and treater 4, speed regulator 5 is used for adjusting agitator motor 10's rotational speed, be provided with speed governing knob 6 on the speed regulator 5, heater box 1 bottom is provided with battery 29, heater box 1 upper surface is provided with recess 26, be provided with on the recess 26 inner wall and protect and fill up 34, be provided with electric heating plate 27 on protecting and filling up 34, electric heating plate 27 is used for heating the heating plate, place in the recess 26 heating bottle 7, heating bottle 7 inboard bottom is provided with temperature sensor 35, temperature sensor 35 is used for detecting the temperature of alcohol solution in the heating bottle 7, heating bottle 7 upper end is provided with notes liquid pipe 8, The lower end of the stirring motor 10 is connected with a stirring shaft 24, the side surface of the stirring shaft 24 is provided with a stirring paddle 25, the upper end of the exhaust pipe 11 is provided with a gas pipe 12, the upper end of the gas pipe 12 is provided with a first electromagnetic valve 13, the side surface of the first electromagnetic valve 13 is provided with a first gas outlet pipe 14 and a second gas outlet pipe 15, the side surface of the second gas outlet pipe 15 is provided with a collecting box 16 and a one-way valve 17, the one-way valve 17 is used for preventing the alcohol steam from flowing backwards, the upper surface of the collecting box 16 is provided with a gas extraction pipe 21, the upper end of the gas extraction pipe 21 is provided with a second electromagnetic valve 19, the upper end of the second electromagnetic valve 19 is connected with a vacuum pump 20, the upper end of the vacuum pump 20 is provided with a first gas discharge pipe 22, the inner wall of the collecting box 16 is provided with a vacuum degree sensor 18, and the back surface of the collecting box 16 is provided with a second display screen 30, a second processor 31 and a second gas discharge pipe 32, and the second air release pipe 32 is provided with a third electromagnetic valve 33.
In this embodiment, the side of the heater casing 1 is provided with a heat dissipation hole 28, and the inside of the heat dissipation hole 28 is communicated with the groove 26.
In this embodiment, the lower surface of the heating bottle 7 is in close contact with the electric heating sheet 27.
In this embodiment, a sealing plug 9 is embedded in the upper end pipe opening of the liquid injection pipe 8.
In this embodiment, the collecting chamber 16 is provided with a viewing window 23 on the front.
In the present embodiment, the speed governor 5 is electrically connected to the stirring motor 10.
In this embodiment, the processor one 4 is electrically connected with the temperature sensor 35 and the display screen one 3.
In this embodiment, the check valve 17 is located on the second outlet pipe 15 in the collection box 16.
In this embodiment, the second processor 31 is electrically connected to the second vacuum degree sensor 18 and the second display screen 30.
A preparation method of a fresh-keeping gas for dried bean curd comprises the following steps:
1. the first electromagnetic valve 13 is controlled to communicate the gas pipe 12 with the first gas outlet pipe 14, and then the vacuum pump 20 is controlled to act to pump away the air in the collection box 16, so that the phenomenon that the air is remained in the collection box 16 to influence the purity of the prepared dried bean curd fresh-keeping gas is avoided;
2. seventy-five percent of alcohol is injected into the heating bottle 7 through the liquid injection pipe 8, and then the electric heating sheet 27 is started to heat the heating bottle 7;
3. control after heating a period solenoid valve 13 will gas-supply pipe 12 with two 15 intercommunications of outlet duct close simultaneously vacuum pump 20 with two 19 of solenoid valve can collect the fresh-keeping gas operation of dried bean curd, heat the exhaust earlier the air in the heating bottle 7, then connect two 15 collections of outlet duct alcohol steam.
In this embodiment, during the operation of the vacuum pump 20 in step 1, the vacuum degree data in the collection box 16 can be displayed through the second display screen 30.
Wherein, the temperature in the heating bottle 7 in the heating process in the step 2 is displayed through the display screen.
In this embodiment, this dried bean curd fresh-keeping gas does not contain toxic gas such as carbon monoxide, and is both safe, has protected the environment, does not also contain carbon dioxide simultaneously, thoroughly stops anaerobic bacteria microorganism's reproduction to cause the rotten problem of dried bean curd protein, and alcohol steam prepares the convenience moreover, easy operation, and the preparation cost is low, is convenient for commercialize and uses widely, and the practicality is good.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (12)
1. The utility model provides a preparation device of dried bean curd fresh-keeping gas, includes heater box (1) and fixed mounting base (2) of heater box (1) bottom, its characterized in that: the heater box body (1) is provided with a speed regulator (5), a display screen I (3) and a processor I (4) in front, a speed regulation knob (6) is arranged on the speed regulator (5), a battery (29) is arranged at the bottom of the heater box body (1), a groove (26) is formed in the upper surface of the heater box body (1), a protection pad (34) is arranged on the inner wall of the groove (26), an electric heating sheet (27) is arranged on the protection pad (34), a heating bottle (7) is placed in the groove (26), a temperature sensor (35) is arranged at the bottom of the inner side of the heating bottle (7), a liquid injection pipe (8), an exhaust pipe (11) and a stirring motor (10) are arranged at the upper end of the heating bottle (7), the lower end of the stirring motor (10) is connected with a stirring shaft (24), and a stirring paddle (25) is arranged on the side surface of the stirring shaft (24), the upper end of the exhaust pipe (11) is provided with a gas pipe (12), the upper end of the gas pipe (12) is provided with a first electromagnetic valve (13), a first air outlet pipe (14) and a second air outlet pipe (15) are arranged on the side surface of the first electromagnetic valve (13), a collecting box (16) and a one-way valve (17) are arranged on the side surface of the second outlet pipe (15), an air exhaust pipe (21) is arranged on the upper surface of the collection box (16), a second electromagnetic valve (19) is arranged at the upper end of the air exhaust pipe (21), the upper end of the second electromagnetic valve (19) is connected with a vacuum pump (20), the upper end of the vacuum pump (20) is provided with a first air exhaust pipe (22), the vacuum degree sensor (18) is arranged on the inner wall of the collection box (16), the second display screen (30), the second processor (31) and the second exhaust pipe (32) are arranged on the back face of the collection box (16), and the third electromagnetic valve (33) is arranged on the second exhaust pipe (32).
2. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the side surface of the heater box body (1) is provided with heat dissipation holes (28), and the inner sides of the heat dissipation holes (28) are communicated with the grooves (26).
3. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the lower surface of the heating bottle (7) is in close contact with the electric heating sheet (27).
4. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: heating bottle (7) lower surface with electric heating piece (27) in close contact with it inlays and has sealing plug (9) to annotate liquid pipe (8) upper end mouth of pipe department.
5. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the front surface of the collecting box (16) is provided with an observation window (23).
6. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the speed regulator (5) is electrically connected with the stirring motor (10).
7. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the first processor (4) is electrically connected with the temperature sensor (35) and the first display screen (3).
8. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: the one-way valve (17) is positioned on the second air outlet pipe (15) in the collection box (16).
9. The apparatus for preparing fresh-keeping gas for dried bean curd according to claim 1, wherein: and the second processor (31) is electrically connected with the vacuum degree sensor (18) and the second display screen (30).
10. The method for preparing a fresh-keeping gas for dried bean curd according to any one of claims 1 to 9, comprising the steps of:
(1) the control electromagnetic valve I (13) is used for communicating the air conveying pipe (12) with the air outlet pipe I (14), and then the vacuum pump (20) is controlled to act to pump air out of the collecting box (16);
(2) seventy-five percent of alcohol is injected into the heating bottle (7) through the liquid injection pipe (8), and then the electric heating sheet (27) is started to heat the heating bottle (7);
(3) after the dried bean curd is heated for a period of time, the first electromagnetic valve (13) is controlled to communicate the gas conveying pipe (12) with the second gas outlet pipe (15), and the vacuum pump (20) and the second electromagnetic valve (19) are closed simultaneously, so that the operation of collecting the fresh-keeping gas of the dried bean curd can be carried out.
11. The method for preparing a fresh-keeping gas for dried bean curd according to claim 10, wherein: in the action process of the vacuum pump (20) in the step (1), the vacuum degree data in the collection box (16) can be displayed through the second display screen (30).
12. The method for preparing a fresh-keeping gas for dried bean curd according to claim 10, wherein: and (3) displaying the temperature in the heating bottle (7) in the heating process in the step (2) through the display screen I.
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| CN201910265106.7A CN109894011B (en) | 2019-04-03 | 2019-04-03 | Preparation method and preparation device of fresh-keeping gas for dried bean curd |
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| CN201910265106.7A CN109894011B (en) | 2019-04-03 | 2019-04-03 | Preparation method and preparation device of fresh-keeping gas for dried bean curd |
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| CN109894011B true CN109894011B (en) | 2022-03-11 |
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