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43results about How to "Extend storage time" patented technology

Ultra-long-term freshness preserving system

The invention relates to an ultra-long-term freshness preserving system which can be applied to a refrigerator and installed in a refrigerating chamber of the refrigerator. The system comprises a freshness preserving box, an oxygen enriching membrane, a vacuum pump, a pressure sensor, a control plate and gas delivering pipes, wherein the oxygen enriching membrane is fixed in the freshness preserving box and connected with a gas sucking opening of the vacuum pump by the first gas delivering pipe penetrating through the wall of the freshness preserving box; an exhaust opening of the vacuum pump is led outside a box body for mounting the ultra-long-term freshness preserving system by the second gas delivering pipe; the pressure sensor is fixed to the first gas delivering pipe to sense the pressure in the freshness preserving box, and a signal line is connected with the control plate; and the control plate is connected with and controls the vacuum pump. The invention has ultrastrong freshness preserving function and can effectively improve the storing time of food stored in the refrigerator by being applied to the refrigerator; compared with the refrigeration of a common refrigerator, the invention is expected to be improved by 2-3 times. In addition, the invention can provide high-concentration oxygen for a room, has a plurality of advantages and practical values, and greatly improves the practicability and the healthy performance of the refrigerator.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD

Refrigerator

The invention discloses a refrigerator, which comprises a refrigerator body, a door body of a freezing chamber, the door body of a refrigerating chamber, an ice maker and a refrigeration system, wherein the freezing chamber and the refrigerating chamber are formed in the refrigerator body; the refrigerating chamber is positioned above the freezing chamber; an ice-making chamber is arranged on an internal wall of the door body of the refrigerating chamber; an ice-taking groove which is connected with the ice-making chamber is arranged on an external surface of the door body of the refrigerating chamber; the ice maker is arranged in the ice-making chamber; the refrigeration system comprises a compressor, a condenser, a first evaporator, a second evaporator, a third evaporator and an electric switching valve; the compressor and the condenser are arranged in a compressor cabin which is positioned on the lower part of the rear side of the refrigerator body; the first evaporator is arranged in the freezing chamber and refrigerates the freezing chamber; the second evaporator is arranged in the refrigerating chamber and refrigerates the refrigerating chamber; the third evaporator is arranged in the ice-making chamber and refrigerates the ice-making chamber; the electric switching valve is connected with the first evaporator, the second evaporator and the third evaporator; and the first evaporator, the second evaporator and the third evaporator adopt a bypass control mode. The refrigerator provided by the embodiment of the invention has the advantages of good moisturizing effect, convenience for use, high refrigerating efficiency and low energy consumption.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +1

Refrigerator

The invention discloses a refrigerator. The refrigerator comprises a body, freezing chamber door bodies, refrigerating chamber door bodies, an ice maker and a refrigerating system, wherein a freezing chamber and a refrigerating chamber arranged above the freezing chamber are formed in the body; an ice making chamber is arranged on the inner wall of one refrigerating chamber door body and an ice getting groove connected with the ice making chamber is arranged on the outer surface of the refrigerating chamber door body; the ice maker is arranged in the ice making chamber; the refrigerating system comprises a compressor, a condenser, a first evaporator, a second evaporator, a third evaporator and an electric changeover valve; the compressor and the condenser are arranged in a compressor cabin arranged on the lower part of the rear side of the body; the first evaporator is arranged in the freezing chamber and is used for refrigerating the freezing chamber; the second evaporator is arranged in the refrigerating chamber and is used for refrigerating the refrigerating chamber; the third evaporator is arranged in the ice making chamber and is used for refrigerating the ice making chamber;the electric changeover valve is connected with the three evaporators; and the three evaporators adopt the bypass type control mode. The refrigerator disclosed by the embodiment of the invention has the advantages of good moisturizing effect, convenience in use, high refrigerating efficiency and low energy consumption.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +1

Method for extraction of Cornus walteri seed oil by combination of superhigh pressure treatment and subcritical double solvent extraction

ActiveCN105349253ASolving Grease ShortagesExtend storage timeFatty-oils/fats productionNutrientChemistry
The invention relates to a method for extraction of Cornus walteri seed oil by combination of superhigh pressure treatment and subcritical double solvent extraction. The method comprises 1, crushing Cornus walteri seeds, drying the crushed Cornus walteri seeds and carrying out pretreatment at a temperature of 30-40 DEG C under pressure of 300-350 MPa, 2, carrying out extraction on the Cornus walteri seeds pretreated by the step 1 in a subcritical fluid at a temperature of 120-180 DEG C under pressure of 3-7MPa to obtain extract, and 3, carrying out cooling and demulsification on the extract obtained by the step 2, carrying out standing layering, and taking a liquid in the upper layer, wherein the liquid in the upper layer is Cornus walteri seed oil. The superhigh pressure pretreatment is carried out prior to the subcritical fluid extraction and is carried out at a temperature of 30-40 DEG C under pressure of 300-350MPa for 10-15min so that lipoxidase and polyphenol oxidase in Cornus walteri seeds are passivated and even loses activity, microbes on Cornus walteri seeds are killed and a color, a fragrance, a taste, nutrients such as vitamins and local flavor substances of the food are not influenced and a recovery rate is obviously improved.
Owner:山东万路达园林科技有限公司 +1

Conveying device for raw materials for graphene production

The invention discloses a conveying device for raw materials for graphene production. The conveying device for the raw materials for the graphene production comprises a base and a box body. Universalwheels are installed at the bottom of the base. The box body is fixed to the top end of the base. An air pump is installed on the inner wall of the box body. A fixed pad is fixed to the middle of thebox body. A vessel is connected to the top end of the fixed pad in a clamped mode. A compressor is installed on one side of the box body. An upper cover is connected with the top end of the box body through a hinge. An air pressure adjusting device is installed at the top end of the upper cover. The air pressure adjusting device comprises a rotary knob, a piston, a connecting rod, a shell and an air leakage hole. The shell is fixed at the top of the upper cover. The air leakage hole is formed in one side of the shell, and the piston is connected to the inner wall of the shell. The connecting rod is fixed to the middle of the piston. The rotary knob is fixed to the end, located at the outer side of the shell, of the connecting rod. According to the conveying device for the raw materials forthe graphene production, the dryness and air tightness of the box body are ensured, air in the box body is reduced, the storage time of graphite oxide is prolonged, the damage of the vessel in the conveying process is prevented, and the quality of the graphite oxide in the vessel is eneured.
Owner:嘉兴沃瑞科技有限公司

Dandelion tea processing method capable of increasing caffeic acid content

The invention discloses a dandelion tea processing method capable of increasing the caffeic acid content, and belongs to the technical field of processing of dandelion tea. The processing of the dandelion tea is realized through six steps of picking fresh leaves, performing maceration, performing microwave steam fixation, performing gradient temperature reduction and drying, performing alternativetwisting, and performing fermentation and shaping. According to the dandelion tea processing method disclosed by the invention, microwave steam fixation treatment, gradient temperature reduction anddrying treatment and alternate rolling treatment are adopted, so that effective components in the tea leaves can be extracted to the maximum extent, the effective components of the tea leaves are guaranteed not to be destroyed, and the preservation time of tea leaf finished products can be prolonged. Dandelion tea processed by the processing method disclosed by the invention is yellowish in color,harmonious and rich in smell, cool, refreshing and delicious, moderate in sour and sweet degree, clear and transparent, has peculiar taste of dandelions and green tea, and meets requirements of vastconsumers. In the dandelion tea processed by the processing method disclosed by the invention, the caffeic acid content is 0.478-0.486mg/g, the caffeic acid recovery rate is 97.2-98.1%, and the processing benefits are significant.
Owner:王斌

Storage device for aquatic product fodder

InactiveCN108163397AAvoid moisture or spoilageExtend storage timeLarge containersTank wagonsAir heaterEngineering
The invention discloses a storage device for aquatic product fodder. The storage device comprises a shell. Support plates are installed at both the two ends of the bottom of the shell. Air heaters areinstalled on the side edges of the support plates. Air outlets of the air heaters communicate with first air pipes. Adjusting valves are installed on the pipe sections of the first air pipes. The ends, away from the air heaters, of the first air pipes are inserted into the shell from the bottom of the shell. The side edges of the first air pipes communicate with a plurality of second air pipes. The ends, away from the first air pipes, of the second air pipes communicate with nozzles. A motor is installed at the top of the shell. An output shaft of the motor downwards penetrates through the shell and is connected with a rotary shaft. Stirring rods arranged at equal intervals are fixed to the side edge of the rotary shaft in the length direction of the rotary shaft. The top of the shell communicates with a humidity elimination pipe. A solenoid valve is installed on the pipe section of the humidity elimination pipe. A humidity sensor is installed on the inner wall of the humidity elimination pipe. According to the storage device, storage time of the fodder is prolonged greatly, very good economy is achieved, and meanwhile the storage device is simple in structure and convenient to operate.
Owner:ZHENGZHOU LIFUAI BIOLOGICAL TECH CO LTD

In-vitro banana stem tip ultralow-temperature storage method

The invention belongs to the technical field of low-temperature storage of bananas and discloses an in-vitro banana stem tip ultralow-temperature storage method comprising the steps: pre-culturing a banana seedling with the height of 3.0-6.0 cm in a culture medium containing 0.4 mol/L of sucrose for 2 d; stripping off a stem tip with 1-2 leaf primordia under the condition of room temperature; loading the stem tip in a loading liquid, then, treating the stem tip by using a vitrification solution, and preparing droplets on an aluminum foil strip; storing the stem tip in liquid nitrogen for at least 1 h, defrosting and washing the stem tip by using 1.2 mol/L of sucrose culture solution, wherein the stem tip is washed for 10 min every time; and transferring the treated stem tip to an MS culture medium containing 0.3 mol/L of sucrose, culturing the stem tip in a dark room for 2 d, then, transferring the stem tip into an MS culture medium containing 0.5 mg/L of 6-BA, culturing the stem tip for 30-35 d, inoculating seed sources recovered to normally grow into a novel recovery growth culture medium for multiplication and rapid propagation to obtain cluster buds, and carrying out culture ina rooting culture medium. Due to the long-term storage in liquid nitrogen, an effective approach is provided for the safety storage of banana germplasm.
Owner:INST OF CROP SCI CHINESE ACAD OF AGRI SCI

Oxygen-poor nitrogen sealing method matched with styrene storage tank

InactiveCN112193634ASolve the problem of easy polymerization,Solve problems that cause product spoilageLarge containersTank wagonsProcess engineeringEnvironmental engineering
The invention discloses an oxygen-poor nitrogen sealing method matched with a styrene storage tank. The oxygen-poor nitrogen sealing method comprises the following steps: respectively feeding nitrogenand air into a pipeline type static gas mixer and fully mixing the nitrogen with the air into oxygen-poor nitrogen; feeding the oxygen-poor nitrogen into a self-operated gas pressure reducing valve to be subjected to pressure reduction to micro pressure and then feeding the oxygen-poor nitrogen into the styrene storage tank; and when the styrene storage tank is in a discharging state, feeding theoxygen-poor nitrogen into the styrene storage tank through the self-operated gas pressure reducing valve, detecting the pressure in the tank through a pressure detection pipe, and when the pressure in the tank reaches the micro pressure, stopping supplementing gas to the styrene storage tank by the self-operated gas pressure reducing valve. According to the oxygen-poor nitrogen sealing method, the problem that styrene is prone to polymerization in a storage process, and then a product goes bad is effectively solved, a certain amount of oxygen is fed into a polymerization inhibitor, so that the activity of the polymerization inhibitor is guaranteed, the storage time of the styrene is effectively prolonged, meanwhile, escape of styrene gas is reduced, and the environmental safety of a workshop and the personal safety of workers are guaranteed.
Owner:长兴材料工业(广东)有限公司

Salt-flavored green soy bean processing technology and cleaning equipment

The invention relates to a salt-flavored green soy bean processing technology and cleaning equipment, and solves the defects that salt-flavored green soy beans lose the protection of pods and the salt-flavored green soy beans are difficult to store for a long time due to the fact that two tips of the pods are sheared off in the process of preparing the green soy beans into the salt-flavored greensoy beans. The processing technology comprises the steps of S1, performing raw material primary selection, wherein green soy beans are conveyed by a conveying belt to be preliminarily screened througha vibrating screen; S2, performing cleaning: cleaning the primarily selected green soy beans to remove soil; S3, performing cooking and de-enzyme processing: conveying the cleaned green soy beans into a cooking pot, adding salt water, and performing cooking at the cooking temperature of 98-100 DEG C for 55-60 seconds; S4, performing cooling and soaking: conveying the cooked green soy beans into acooling pool for cooling; S5, performing secondary screening: draining the cooled and soaked green soy bean materials and sorting the green soy bean materials through a color sorter; and S6, performing quick-freezing and packaging: quickly freezing the secondarily screened green soy beans, and then performing vacuum-pumping and packaging so as to obtain the quick-frozen salt-flavored green soy beans. The method has the effect of prolonging the storage time of the salted green soy beans.
Owner:余姚谷满仓食品有限公司
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