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30results about How to "Reduce moisture loss" patented technology

Device for improving measurement accuracy and measurement reliability of single-tipping-bucket rain gauge and use method for same

The invention discloses a device for improving the measurement accuracy and the measurement reliability of a single-tipping-bucket rain gauge and a use method for the same. According to the device and the method, the conventional stainless steel is replaced by a light-weight alloy material for producing a tipping bucket, and Teflon is sprayed on the surface of the water collection side of the rain gauge; a difference reduction system composed of a micro-valve, a valve opening-closing device and a bypass flow guide tube is additionally arranged; a double-reed switch composed of two single reed switches which are arranged in a staggering manner is used for replacing the conventional reed switch; the switching signal output by the reed switch is processed by adopting a mutual calibration method for the two double-reed switches; and a digital rain amount value is transmitted via a low-power-consumption ZigBee wireless mode which is convenient for networking. Via the device and the use method disclosed by the invention, the difference and the wetting loss during the measurement process are reduced, the defect that the single reed switch is easy to generate mis-operate due to the environment magnetic interference is solved, and the reliability of the rain gauge is improved; and the digital rain amount value is transmitted via the low-power-consumption ZigBee wireless mode, so that the networking is convenient.
Owner:ZHEJIANG UNIV

Rotary type magnetic refrigerator-based upright air-cooled multiple-temperature zone refrigerator and control method thereof

The invention discloses a rotary type magnetic refrigerator-based upright air-cooled multiple-temperature zone refrigerator and a control method thereof. The multiple-temperature zone refrigerator comprises a cold storage chamber and a freezing chamber; a thermometer bulb is built in each of the cold storage chamber and the freezing chamber; when the multiple-temperature zone refrigerator works ina normal refrigeration mode, a rotary type magnetic refrigerator located in an engine room is capable of supplying cold energy for the cold storage chamber and the freezing chamber alternately through heat-exchange fluid and three-way valves; meanwhile, heat is emitted to the environment through a high-temperature heat exchanger; and a motor rotation speed controller and a drive pump rotation speed controller are dynamically adjusted by a controller through a difference value of room temperature and set temperature input by a user to realize automatic efficient temperature control. When the user selects a fast cooling mode, motor rotation speed is set to be maximum rotation speed so as to guarantee that the cold storage chamber and the freezing chamber reach the respective set temperatureas soon as possible; and when the air-cooled refrigerator frosts during operation to worsen refrigeration performance, the controller can automatically judge the condition to enter a defrosting mode;cold storage chamber is defrosted in manner of return air defrosting; and the freezing chamber is defrosted in manner of reverse circulation.
Owner:XI AN JIAOTONG UNIV

Microwave vacuum preservation method for grains

The invention specifically relates to a microwave vacuum preservation method for grains, which belongs to the technical field of food preservation. The method comprises the following steps that: firstly, grains are filled in a packaging bag which allows microwave to permeate and has a good gas barrier property, one side of the packaging bag is provided with an opening, the rest sides of the packaging bag are sealed, grains are filled into the packaging bag through the opening, a comb-shaped high temperature resistant die is arranged between the upper layer and the lower layer of the opening, a sealing machine is used for primary sealing, 3 to 120 breathing outlets with a diameter of 0.5 to 1.5 mm are reserved in advance at a sealing place, and the spacing between two adjacent breathing outlets is 0.5 to 3 cm; secondly, the packaging bag is placed in a microwave device for treatment so as to allow the grains to have a surface temperature of 54 to 65 DEG C when the grains come out from the microwave device, and then the packaging bag is treated under the conditions of a degree of vacuum of 0.08 to 0.095 MPa and a cooling speed of 0.09 to 0.35 DEG C/s for 15 to 45 s to enable the grains have a surface temperature of 36 to 51 DEG C; finally, all the breathing outlets in the packaging bag are sealed. The invention enables the defect that cooling time in the existing cereal microwave insect and mildew inhibiting technology is too long to be overcome, thereby avoiding a hidden trouble of secondary pollution.
Owner:HUAZHONG AGRI UNIV

Independently disassembled and assembled decorative curtain wall and component assembly thereof

The invention discloses an independently disassembled and assembled decorative curtain wall and a component assembly thereof. A building outer wall, a water collecting device and the decorative curtain wall are included, a plurality of groove holes are formed in the building outer wall, the water collecting device is assembled in the groove holes formed in the building outer wall, and the decorative curtain wall is divided into two structures including a mounting assembly and a curtain wall assembly; and the mounting assembly comprises a mounting plate, a fixing plate mounted at the inner side of the mounting plate and a circulating device fixedly arranged at the inner side of the fixing plate. According to the independently disassembled and assembled decorative curtain wall and the component assembly thereof, through the arrangement of the mounting assembly, the influence of external sunlight on the indoor space is reduced through the isolation of the characteristic of larger specific heat capacity of water and the blocking of plants in the water, the harm of light pollution to cities is reduced, the environment is beautified, and a further environment-friendly effect is formed; and a closed cavity is formed by a mounting frame, a limiting strip, a top plate and a clamping plate, and water flow in a fixing cylinder and a first connecting pipe is guided into the closed cavity by arranging a second connecting pipe.
Owner:江苏华杰不锈钢制品有限公司

Drought-resistant stubble-cleaning deep-seeding fertilization machine for wheat stubble soil planted corn

PendingCN110720271AIn line with the direction of production developmentEasy to operateSpadesPloughsSoil tillageBotany
The invention relates to a drought-resistant stubble-cleaning deep-seeding fertilization machine for wheat stubble soil planted corn, which comprises a rack, as well as depth limiting wheels, a seeding belt stubble-cleaning soil-cleaning device, ditching fertilizer applicators, soil compactors, corn single-kernel dibbling devices and seeding compacting wheels, which are sequentially arranged on the rack from front to rear. The two depth limiting wheels are fixed at the left end and right end of a front cross beam of the rack; the seeding belt stubble-cleaning soil-cleaning device comprises a stubble-cleaning soil-cleaning cutter shaft, stubble-cleaning soil-cleaning cutter discs and stubble-cleaning soil-cleaning cutters; multiple stubble-cleaning soil-cleaning cutters are circumferentially arranged on each of the inner disc surface and outer disc surface of each stubble-cleaning soil-cleaning cutter disc; each stubble-cleaning soil-cleaning cutter comprises a handle part and a throwing cutting part, with an included angle of 100-120 DEG C formed between the handle part and the throwing cutting part; the throwing cutting parts of the stubble-cleaning soil-cleaning cutters on the inner disc surface of each stubble-cleaning soil-cleaning cutter disc are bent inwards, and the throwing cutting parts of the stubble-cleaning soil-cleaning cutters on the outer disc surface of each stubble-cleaning soil-cleaning cutter disc are bent outwards. The drought-resistant stubble-cleaning deep-seeding fertilization machine for wheat stubble soil planted corn provides integrated operation of soil tillage, seeding, fertilization and compaction, the operation steps are simplified, and the operation efficiency is improved.
Owner:CHINA AGRI UNIV +1

Electrothermal film layer manufacturing method, electrothermal film layer, electric heating disc and cooking utensil

The invention provides an electrothermal film layer manufacturing method, an electrothermal film layer, an electric heating disc and a cooking utensil. A mixture containing tin dioxide, antimony and fluorine is adopted, and through a spraying method, a deposition method or a vacuum evaporation method, the electrothermal film layer is formed on the surface of a high-temperature 450 to 600-DEG insulated substrate. Then, the electrothermal film layer and the insulated substrate are subjected to an annealing and film forming process, and the electrothermal film layer is manufactured. The electrothermal film layer manufacturing method provided by the invention is simple, the operation is convenient, the manufactured electrothermal film layer can convert radiation thermal energy into far infrared thermal energy for radiation, rapid temperature rise is realized, the temperature lost due to moisture eliminating can be reduced, the speed of added thermal energy absorption is enhanced, thermal energy loss is reduced, the radiation thermal conduction efficiency is thus effectively improved, the energy-saving purpose is achieved, and thus, requirements on energy conservation of products by the country can be better met.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1

Preparation method for support layer material with lasting water retention for hydrogel patch

The invention discloses a preparation method for a support layer material with lasting water retention for a hydrogel patch, and belongs to the technical field of preparation of hydrogel patches. The method comprises the following steps: washing, removing, unthreading and freezing pomelo peel to prepare pieces, and cooling, grinding and adding mint leaves and eucalyptus leaves into de-ionized water to prepare mixed slurry; performing stirring and suction filtration on the pomelo peel pieces and the mixed slurry to prepare modified pomelo peel pieces, crushing the modified pomelo peel pieces into powder, adding an ethanol solution, pectin, sodium alginate and glycerin, and performing stirring mixing and rotary evaporation concentration to obtain a concentrated solution; preparing a coiled thin film from the concentrated solution to obtain a substrate material, melting polyethylene, uniformly coating the surface of the substrate material with the molten polyethylene, and performing cooling to room temperature to obtain the support layer material with lasting water retention. Examples show that the preparation method is convenient to operate; by a prepared support layer of the hydrogel patch, water loss can be effectively reduced, the adhesion property of the hydrogel patch can be improved, and the transdermal absorption efficiency of active ingredients in the hydrogel patch can be improved; the preparation method has broad application prospect.
Owner:雷春生

Improved waxberry vacuum precooling treating method

The invention belongs to the field of waxberry processing, and relates to an improved waxberry vacuum precooling treating method. The improved waxberry vacuum precooling treating method comprises thefollowing steps of before vacuum precooling of waxberries, starting a refrigerating unit (4), a cryogenic fluid circulation pump (5) and electric valves (13,14), and enabling the temperature of an auxiliary device group (7) and a condenser (18) to drop to a set temperature through a heat exchanger (21); then placing the picked waxberries in the auxiliary device group (7), starting a vacuum pump (2), controlling the descending rate of intensity pressure, and according to different temperature sections of the waxberries, adjusting the opening degree of the electric valves (13,14) to control theflow rate of corresponding branch pipeline I (22) and branch pipeline II (23), so that the control of the temperature of the auxiliary device group (7) and the condenser (18) can be realized. Throughthe adoption of the improved waxberry vacuum precooling treating method disclosed by the invention, high cooling rate and low moisture loss of the waxberries can be achieved; the quality guarantee period of the waxberries is also kept long; and in addition, the operation is simple, and the energy consumption is low.
Owner:SHAOGUAN COLLEGE

Device for improving measurement accuracy and measurement reliability of single-tipping-bucket rain gauge and use method for same

The invention discloses a device for improving the measurement accuracy and the measurement reliability of a single-tipping-bucket rain gauge and a use method for the same. According to the device and the method, the conventional stainless steel is replaced by a light-weight alloy material for producing a tipping bucket, and Teflon is sprayed on the surface of the water collection side of the rain gauge; a difference reduction system composed of a micro-valve, a valve opening-closing device and a bypass flow guide tube is additionally arranged; a double-reed switch composed of two single reed switches which are arranged in a staggering manner is used for replacing the conventional reed switch; the switching signal output by the reed switch is processed by adopting a mutual calibration method for the two double-reed switches; and a digital rain amount value is transmitted via a low-power-consumption ZigBee wireless mode which is convenient for networking. Via the device and the use method disclosed by the invention, the difference and the wetting loss during the measurement process are reduced, the defect that the single reed switch is easy to generate mis-operate due to the environment magnetic interference is solved, and the reliability of the rain gauge is improved; and the digital rain amount value is transmitted via the low-power-consumption ZigBee wireless mode, so that the networking is convenient.
Owner:ZHEJIANG UNIV

Vertical air-cooled multi-temperature zone refrigerator based on rotary magnetic refrigerator and its control method

The invention discloses a rotary type magnetic refrigerator-based upright air-cooled multiple-temperature zone refrigerator and a control method thereof. The multiple-temperature zone refrigerator comprises a cold storage chamber and a freezing chamber; a thermometer bulb is built in each of the cold storage chamber and the freezing chamber; when the multiple-temperature zone refrigerator works ina normal refrigeration mode, a rotary type magnetic refrigerator located in an engine room is capable of supplying cold energy for the cold storage chamber and the freezing chamber alternately through heat-exchange fluid and three-way valves; meanwhile, heat is emitted to the environment through a high-temperature heat exchanger; and a motor rotation speed controller and a drive pump rotation speed controller are dynamically adjusted by a controller through a difference value of room temperature and set temperature input by a user to realize automatic efficient temperature control. When the user selects a fast cooling mode, motor rotation speed is set to be maximum rotation speed so as to guarantee that the cold storage chamber and the freezing chamber reach the respective set temperatureas soon as possible; and when the air-cooled refrigerator frosts during operation to worsen refrigeration performance, the controller can automatically judge the condition to enter a defrosting mode;cold storage chamber is defrosted in manner of return air defrosting; and the freezing chamber is defrosted in manner of reverse circulation.
Owner:XI AN JIAOTONG UNIV

Manufacturing method of electrothermal film layer, electrothermal film layer, electric heating plate and cooking utensil

The invention provides an electrothermal film layer manufacturing method, an electrothermal film layer, an electric heating disc and a cooking utensil. A mixture containing tin dioxide, antimony and fluorine is adopted, and through a spraying method, a deposition method or a vacuum evaporation method, the electrothermal film layer is formed on the surface of a high-temperature 450 to 600-DEG insulated substrate. Then, the electrothermal film layer and the insulated substrate are subjected to an annealing and film forming process, and the electrothermal film layer is manufactured. The electrothermal film layer manufacturing method provided by the invention is simple, the operation is convenient, the manufactured electrothermal film layer can convert radiation thermal energy into far infrared thermal energy for radiation, rapid temperature rise is realized, the temperature lost due to moisture eliminating can be reduced, the speed of added thermal energy absorption is enhanced, thermal energy loss is reduced, the radiation thermal conduction efficiency is thus effectively improved, the energy-saving purpose is achieved, and thus, requirements on energy conservation of products by the country can be better met.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1

Far-infrared emitting film layer and its manufacturing method, electric heating plate and cooking utensil

The invention provides a far infrared emission film layer and a manufacturing method thereof, an electric heating disc and a cooking utensil. A mixture containing manganese dioxide, nickel sesquioxide and chromium oxide is adopted, a far infrared emission film layer is manufactured on the surface of a high-temperature 500 to 600-DEG insulated substrate, and then, the far infrared emission film layer and the insulated substrate are subjected to an annealing and film forming process to enable the far infrared emission film layer to be attached on the insulated substrate. The far infrared emission film layer manufacturing method provided by the invention is simple, the operation is convenient, the manufactured far infrared emission film layer can be matched with an electrothermal film layer for use to convert radiation thermal energy into far infrared thermal energy, rapid temperature rise is realized, the temperature lost due to moisture eliminating can be reduced, the speed of added thermal energy absorption is enhanced, thermal energy loss is reduced, the radiation thermal conduction efficiency is thus effectively improved, the energy-saving purpose is achieved, and thus, requirements on energy conservation of products by the country can be better met.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1

Multi-connected intelligent sample packaging system

The invention provides a multi-connected intelligent sample packaging system which comprises a sample tank. An intelligent seal cover is arranged on the top of the sample tank, a butterfly flap door is arranged on the intelligent seal cover, a lock pipe mounting position is arranged above the butterfly flap door, and an identity identification module, a wired power supply and communication interface, a wireless power supply module, a wireless communication module and a self-positioning weighing module are also arranged on the intelligent seal cover. The multi-connected intelligent sample packaging system finishes a collecting function of an existing sample collecting device, reduces water loss of the existing device in a working process to the maximum extent and prevents artificial adulteration in the working process. The multi-connected intelligent sample packaging system can identify samples accurately and is in information inter-connection to a using unit information system to monitor the quality of bulk commodities. The multi-connected intelligent sample packaging system achieves transfer transportation of the bulk materials in a closed process and prevents adulteration and distortion of the samples, and achieves functions of collecting, transferring, managing and storing the samples, so that the management cost and the risk are reduced. Settling entanglement of the bulk materials is reduced greatly, and mutual trust of both parties is enhanced.
Owner:浙江杭钻机械制造股份有限公司
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