33results about How to "Avoid surface "hardening"" patented technology

The invention discloses a tobacco shred drying method. The moisture content of cut tobacco shreds is balanced to 20-24%, and the temperature is balanced to 10-30 DEG C. The balanced tobacco shreds are quickly frozen to be under the temperature of -40 DEG C to -35 DEG C at a cooling rate of -0.06 DEG C/min to -1.0 DEG C/min and maintained for 1-4 hours. Pre-frozen tobacco shreds are placed into a vacuum chamber to be dried, wherein absolute pressure in the vacuum chamber is 50-70 Pa, the temperature of a heating plate is 20-40 DEG C, and drying time is 0.5-4 hours. Finally, the moisture content of tobacco shreds is regained to 11-13%. By means of the method, quality characteristics and original shape of raw materials can be maintained well, and the phenomena including surface hardening, fragrance loss and the like caused by surface precipitation of soluble matter contained in the tobacco shreds are avoided. The method is simple and low in energy consumption, can improve smoking quality of the tobacco shreds remarkably, and has good application prospect.

The invention discloses a processing method for vacuum freeze drying of Hemerocallis fulva L. The processing method comprises the following steps: S1, pre-freezing pretreated fresh Hemerocallis fulva L. at a temperature of -40 DEG C for more than 10 h; and S2, freeze drying the prefrozen Hemerocallis fulva L. at a temperature of -40 to -50 DEG C in a high vacuum state for 12 to 16 h. The invention has the following beneficial effects: pretreated Hemerocallis fulva L. has a yellowish green color and crisp and tender taste and is safe to eat since colchicine is inactivated; the process of vacuum freeze drying is employed, so the processed Hemerocallis fulva L. maintains good appearance, intact flower buds and the original color, fragrance, flavor and shape of Hemerocallis fulva L., water content in the processed Hemerocallis fulva L. is low, a loss late of nutritional ingredients like protein, vitamin C, a dietary fiber and the like is low, and a storage life of the processed Hemerocallis fulva L. is long; rehydration of the processed Hemerocallis fulva L. is easy, and the processed Hemerocallis fulva L. has a yellowish green color and crisp and tender taste and retains original delicate fragrance after rehydration.

A rustproofing composition has superior properties satisfying rustproofing quality requirements and work quality requirements for parts around tires, parts with pockets, and plate-bonded parts, and having volatile organic solvent of not more than 10 mass %. A rustproofing composition has 5 to 60 mass % of the overall composition of at least one kind of heat-polymerized drying oil in which oil having an iodine value of not less than 130 is heat-polymerized, and 1 to 50 mass % of the overall composition of at least one kind of wax selected from natural waxes and synthetic waxes, and/or at least one kind of rustproofing additive dissolved or dispersed in mineral oil type lubricant based oils, synthetic lubricant based materials or liquid saturated-hydrocarbon mixtures vegetable oil based semidrying oils, and vegetable oil based nondrying oils. In the rustproofing composition, nonvolatile content at 105° C. for 3 hours is not less than 90 mass %.

The invention discloses a drying method of flower materials in a peony flower tea preparation technology. The drying method includes the following steps that fresh peony flowers are picked; outermost petals of the peony flowers are stripped off, dirt is removed, and the integrity of petals is kept; the treated peony flowers are put into a cryogenic refrigerator in the optimum form to be pre-cooled; the pre-cooled peony flowers are rapidly put into a vacuum freezing dryer, the freezing temperature, the vacuum degree of a drying chamber, the temperature of a heating plate and the thickness of the material are set, and freezing drying is carried out; the dried peony flowers are stored in a sealed shady place. The dried peony flowers obtained through the drying method hardly shrink, the original color and flavor are kept basically, and the dried peony flowers have the advantages of being high in phenolic substance content and high in oxidation resistance, can serve as a high-quality raw material of peony flower tea and also have high ornamental value. According to the drying method, on the basis of vacuum freezing drying, the drying time is short, the process is simple, no contamination is caused, the product is good in sensory quality, high in nutrient retention rate and good in rehydration property, and the defects of high time consumption and labor consumption, low efficiency and the like of a traditional drying method are overcome.

The invention discloses a novel vacuum freezing production process for herba dendrobii, belongs to the technical field of food processing, and aims to provide a novel vacuum freezing production process. The novel vacuum freezing production process for the herba dendrobii is characterized in that a vacuum freeze-drying single-factor test and a three-factor three-level orthogonal test are carried out by taking pre-freezing time, vacuum drying time and raw material shape as influencing factors according to the physiological characteristics of the herba dendrobii, the moisture content of a dried product of the herba dendrobii is measured, and thus, optimal conditions of the vacuum freeze-drying production process of the herba dendrobii are obtained. Under the condition that nutritional ingredients and physiological activity of the herba dendrobii are maintained to a great extent, energy consumption is greatly reduced, the production cost is reduced, and industrialized production of the herba dendrobii in China is promoted to a high level.

The present invention relates to a flexible structure (6) comprising a strain gauge (7) that is elongate along a longitudinal axis X1, and intended to measure the deformation of the flexible structure in a direction X parallel to the axis X1, the strain-gauge support (71) being bonded to the flexible structure only via the lateral ends (75, 76) thereof. One particularly targeted application is the bonding of strain tool gauges to the packaging of a flexible lithium battery, such as an Li-ion battery.

The present invention discloses a heating apparatus and an image forming apparatus incorporating the same. The fixing apparatus which acts as a heating apparatus, includes a heating roller; a pressure-applying roller, arranged face to face with the heating roller, for allowing a recording sheet to be conveyed by the heating and pressure-applying rollers as nipped therebetween; and a heating device for heating the heating roller. The heating roller has a first elastic layer made of an elastic material, a conductive layer disposed in the outer periphery of the first elastic layer, an elasticity-imparted second elastic layer disposed in the outer periphery of the conductive layer, and a peeling layer disposed in the outer periphery of the second elastic layer. The conductive layer of the heating roller is induction-heated by the heating device, thereby reducing the warm-up time. By providing the second elastic layer, adequate elasticity is imparted to the heating roller's surface. The toner image on the recording sheet excels in fixability and gloss property.

The invention discloses a device and method for microwave-enhanced fluidized ardealite dehydration. The method comprises the following steps: ardealite is added into a system through a screw feeder; hot air provided by a hot blast stove is subjected to venturi drying, attached water in phosphogypsum is removed by a cyclone preheater, and then the hot air enters a wave-transparent heating section of the fluidized bed together with a wave-absorbing powder substance for mixing fluidization; and microwaves penetrate through the wave-transparent heating section in the resonant cavity and are absorbed by the wave-absorbing powder substance and the ardealite, and the removal of ardealite crystal water is simultaneously realized in solid-solid, gas-solid and microwave heating modes by utilizing heat generated by high-speed movement of molecules. Due to the change of the fluidization height of the ardealite without crystal water, the ardealite is separated from the wave-absorbing powder substance. The method and the device are wide in applicability, can realize continuous production of two products by one set of device, and are high in heat efficiency, high in heating speed, uniform in material heating, high in product stability, enhanced in polar component on the surface of hemihydrate gypsum molecules, reduced in contact angle, low in tail gas temperature and small in heat loss.

A preparation method of washing powder capable of quickly cleaning food grease stains comprises the following steps: mixing and stirring 10 to 30 parts of sodium dodecylbenzene sulfonate, 5 to 10 parts of sodium alkylbenzene sulfonate and 2 to 3 parts of water, Then add 40~50 parts of sodium carbonate, 10~20 parts of sodium sulfate, 5~10 parts, 5~10 parts of 4A zeolite, 1~2 parts of carboxymethyl cellulose sodium, 0.5~1 part of enzyme preparation, 1~2 parts Stir with water, and finally add 0.5 to 1 part of soap grains and stir to obtain a paste product. After ultrasonic treatment, microwave drying is carried out. The process of the present invention is simple, no spray drying is required, equipment investment is small, energy consumption is low, and the obtained preparation The obtained washing powder has good decontamination effect, has no adverse effect on the environment after washing and drainage, has low water content, is not easy to agglomerate, and has high activity.

The invention relates to an ammonia gas drying system for a liquid ammonia mercerizing machine. The ammonia gas drying system comprises a plurality of upper ammonia gas heating systems and lower ammonia gas heating systems arranged in a drying tank in a staggered mode in the fabric conveying direction. The drying tank is provided with high-temperature ammonia gas inlets and exhaust openings for exhausting heated ammonia gas. Each ammonia gas heating system comprises a high-temperature ammonia gas conveying channel, an adjusting screw rod, an adjusting beam and a breathable plate. The adjusting beams are arranged between the breathable plates and supporting hoods of the high-temperature ammonia gas conveying channels. The upper sides and the lower sides of the adjusting beams make seal contact with the breathable plates and the supporting hoods. The adjusting screw rods in all the ammonia gas heating systems conduct synchronous transmission through synchronous belts. The interval distance between the adjusting beams is adjusted through the adjusting screw rods so that the ventilation portions of the breathable plates can be matched with the size of the fabric for heating so as to form a heating area adjusting structure. The ammonia gas drying system has the advantages that the heating range can be adjusted according to the size of the fabric, the utilization rate of ammonia is increased, and the cost is reduced.

The invention belongs to the technical field of traditional Chinese medicine, and relates to herba dendrobii decoction pieces and a processing method thereof. The processing method of the herba dendrobii decoction pieces comprises the following steps: (1) clean selection: taking clean and fresh herba dendrobii and slicing the herba dendrobii; (2) infiltration: adding rice wine for infiltration andtaking the herba dendrobii out; (3) steaming: steaming the herba dendrobii obtained in step (2); (4) covered moistening: adding honey to the steamed herba dendrobii for covered moistening; (5) drying: drying the herba dendrobii obtained in step (4) by microwaves until water content of the herba dendrobii is lower than or equal to 12%. Through the adoption of the processing method, dissolution ofactive constituents in the herba dendrobii decoction pieces is improved, and the effects of the herba dendrobii for clearing heat and nourishing yin are enhanced.