145results about How to "Increase drying temperature" patented technology

A weld-resistant ink for weakly alkaline developing and photosensitive imaging of PCB contains modified acrylate as photosensitive oligomer (50-70 wt.%), epoxy resin (10-20), multifunctional acrylate (5-20), optical trigger (5-15), filler (7.5-30), pigment (0.5-1) and silica oil. Its advantages are high resistance to high temp (260 deg.C or more) and lustre, and not discolouring and dropping off.

The present invention relates to polymer blend membranes of sulfonated and nonsulfonated polysulfones, methods for the preparation the membrane, and fuel cells comprising the same. The blend membranes can be obtained by varying drying condition and concentration of casting solution. The membranes have improved methanol barrier property, proton conductivity and membrane selectivity.

The invention discloses a heat pump drying device, which comprises a drying box and a control system, wherein the drying box comprises a shell and an air inlet fan, a dehumidifying heat pump, a main fan, a material shelf, an air outlet fan and a heating heat pump which are arranged in the shell; when an air inlet and an air outlet are closed, the dehumidifying heat pump, the main fan, the material shelf, the heating heat pump and the dehumidifying pump are communicated in sequence, and a circulating path of a drying medium is formed in the shell; when the air inlet and the air outlet are opened, the air outlet, the dehumidifying heat pump, the main fan, the material shelf and the air outlet are communicated in sequence to form a one-way circulating path of the drying medium; and an air path between the main fan and the material shelf is arc-shaped, and an inclined air deflector is arranged in the air path. The heat pump drying device can not only realize high-temperature drying but also realize low-temperature drying and can meet temperature and humidify requirements of the same product at different drying stages; and the air path for communicating the main fan with the material shelf and the air deflector is improved, therefore airflow vortex is reduced, and drying quality and speed are increased.

The invention relates to a production method of a formaldehyde-free non-ironing shirt. The production process is as follows: spraying of finishing liquid, drying, stereoscopic molding, shaping of a drying tunnel, and dehumidifying and dampening, wherein the drying temperature is set to be 80 DEG C to 90 DEG C, and the humidity is controlled to be 30-50%; in the stereoscopic molding step, a stereoscopic combined type press process is adopted, the temperature is controlled to be 140 DEG C to 160 DEG C the time is controlled to be 1-2min, and force of 6-10 kg/cm<2> is applied; and in the step of shaping of the drying tunnel, the design of circular blowing and heat insulation as well as a band-type drying tunnel of a ternary-form gradually-heated system are adopted, the shaping temperature of different segments is set to be 110 DEG C to 140 DEG C, 130 DEG C to 160 DEG C and 150 DEG C to180 DEG C, and the total shaping time is 3-6min. The non-ironing shirt produced by the invention is free from formaldehyde and belongs to a real formaldehyde-free non-ironing shirt, the production process flow is short, the process control is simple, the production reproducibility is good, and the product quality is stable.

A heat pump system of a laundry dryer comprises a closed refrigerant circuit (10) and a drying air circuit (12). The refrigerant circuit (10) includes a compressor (14), a condenser (16), an expansion device (18) and a main evaporator (20). The air stream circuit includes the main evaporator (20), the condenser (16), a laundry drum and at least one fan (26). The refrigerant circuit (10) and the air stream circuit are thermally coupled by the condenser (16) and the main evaporator (20). The condenser (18) is a heat exchanger provided for heating up the air stream and cooling down the refrigerant. The main evaporator (20) is a heat exchanger provided for cooling down the air stream and heating up the refrigerant. At least one additional evaporator (22) is arranged in parallel to the main evaporator (20), and is switchably connected to the refrigerant circuit (10).

The present invention relates to a control method for a laundry dryer. The laundry dryer is a heat-pump type laundry dryer and a compressor of the laundry dryer is a variable-frequency compressor. The control method includes setting a minimum running frequency of the compressor according to an amount of clothes to be dried, where the more the clothes are, the larger the set minimum running frequency is. Specifically, when laundry drying is started, the amount of the clothes being dried is detected. According to the detected information, a minimum running frequency of the compressor, corresponding to the information, is invoked, and the minimum running frequency of the compressor in the current laundry drying process is set.

The invention relates to high-purity rice bran protein and rice bran fibers, and further relates to a preparation method of the high-purity rice bran protein and the rice bran fibers. The preparation method includes the steps of raw material pretreatment, first size mixing and enzyme reaction, second size mixing and enzyme reaction, separate washing, drying and the like. According to the method, through superfine grinding and amylase and cellulose hydrolyzing, components of defatted rice bran are effectively separated, a whirlcone is utilized to conduct the washing treatment, and therefore separate washing efficiency is greatly improved. Compared with spray drying, flash drying equipment is utilized, investment is saved by about 40%, operating cost is saved by about 35%, in rice bran protein products, the protein content is over 80%, the ash content is below 3%, the fat content is below 0.5%, the protein extraction ratio is over 75%, and in rice bran fiber products, the fiber content is over 70%, the ash content is below 4%, and the fat content is below 1%. The high-purity rice bran protein and the rice bran fibers all can be widely applied to the field of health food, nutritious food and the like, and additional value of rice deep processing is greatly improved.

A printing apparatus includes a transport unit that transports a printing medium to a downstream side of a transport direction, a printing head that performs printing on the printing medium, a drying unit that performs a drying process on the printing medium in the course of a transport path of the printing medium, a transport roller that is disposed further to the downstream side in the transport direction than the drying unit, a de-curl roller that pinches the printing medium with the transport roller, and a curl correcting unit that corrects the curl of the printing medium, and the de-curl roller is positioned at a de-curl position of pinching the printing medium with the transport roller at the time of increasing the temperature of the drying unit to a predetermined temperature.

Disclosed is a paper printing method for fibrous and leather materials characterized by having: a step wherein printing paper is obtained by applying a mixed paste comprising a water-soluble synthetic binder, a natural adhesive, and an auxiliary agent to base paper, which is then dried to obtain paper for printing, onto which a dye ink is printed; a step wherein the printing paper is bonded to a fibrous or leather material and fixed using pressure/heat; and a step wherein the printing paper is removed after a dye fixing process is carried out while the printing paper is fixed to the fibrous or leather material. Further disclosed are the paper for printing and the printing paper used in the paper printing process, and the fibrous and leather materials characterized by being printed on in the paper printing process.

The invention relates to a double-cone rotary vacuum drier which comprises a base, a double-cone cylinder and a heat supply device, wherein the double-cone cylinder is provided with a jacket; the base is provided with a heat source inlet and a heat source outlet which are communicated with the interior of the jacket and are connected with the heat supply device by pipes; and the heat supply device is a heat-conducting oil heat supply device. The double-cone rotary vacuum drier can achieve higher drying temperature within shorter time as the heat-conducting oil is adopted as the heating source of the double-cone rotary vacuum drier, thus effectively improving the working efficiency.

The invention discloses a technical method for paint decoration on the surface of a pencil. A solvent such as methyl acetate, ethyl acetate and acetone with high volatilization rate is selected in the preparation process of a paint, matt powder is added to enable the paint to be more rapidly volatilized, and meanwhile, the drying temperature and the air flow velocity are increased to ensure that the surface dry time of the paint is shortened from 60s to 10s, so that the thickness of a film painted every time can be increased from 10mu m to 15mu m, and the covering power of the paint is also enhanced; and due to the increment of the thickness of the film, the painting times can be correspondingly reduced from 10 to 6, and finally, the production efficiency is increased by 30-40%.

The invention discloses a high-temperature-resistant colored pencil core which comprises the following components in parts by weight: 40-70 parts of clay, 5-15 parts of constitution raw material, 5-20 parts of pigment powder, 1-12 parts of wax, 1-10 parts of grease, 1-8 parts of adhesive and 10-40 parts of water. The invention also discloses a preparation method of the high-temperature-resistant colored pencil core. The modified cellulose and modified synthetic wax are adopted to increase the high temperature resistance of the mixture and enhance the temperature of the drying oven, thereby shortening the lead drying time to less than 12 hours, greatly shortening the time of the whole technique and enhancing the production efficiency. The vacuum core extrusion technique is adopted to enhance the density of the lead core, thereby enhancing the flexural strength of the lead core, the core tip stress of the penpoint, lowering the breaking rate of in the sharpening process and improving the wear resistance of the pencil; and the appearance of the lead core is more smooth, and the quality of the product is upgraded.

The invention relates to a production method for potassium chloride with high concentration and rounded grain shape, which comprises the steps that: powdered potassium chloride with certain fineness in which the content of potassium oxide is 60 percent or more is added into a round granulating disc or a revolving drum granulator, potassium chloride saturated solution is sprayed according to certain proportion as granulation liquid phase for carrying out rounding beading granulation, and then drying and sieving are carried out to generate the rounded-grain-shaped potassium chloride. The content of kalium reaches 60 percent or more. The production method is characterized by simple operation technology, great production capability, wide scope of grain diameter of products, round grains, high intensity, and the like, and generates no waste during production, which has the advantages of energy saving and environmental protection, thereby having very wide market prospect.

The invention relates to a low-temperature drying device for high-water-content high-viscosity sludge. The device comprises a drying chamber and a heat pump system communicating with the drying chamber; the drying chamber is provided with a material inlet strip cutting machine and a secondary strip cutting machine, the material inlet strip cutting machine is used for primary cutting of the sludgeconveyed into the drying chamber, and the secondary strip cutting machine is used for secondary cutting of the sludge during conveying of the sludge; and the heat pump system adopts a high-temperaturerefrigerant, and the heat pump system is used for heating and dehumidifying the drying chamber. According to the low-temperature drying device provided by the invention, secondary cutting is performed on the sludge, so that the forming effect of the cut strips is better, the cut strips are finer and no longer adhere to one another, and the drying effect of the sludge is greatly enhanced; and at the same time, the high-temperature refrigerant is adopted as a refrigerant, so that the drying device has a higher energy efficiency ratio and higher drying efficiency, and can satisfy drying treatment of the high-viscosity sludge with a water content of 60-85% and turn a sludge cake with a water content of 85% into sludge particles with a water content of 30% or less by one drying.

A method for forming a film, containing the following steps (1) to (4), and a film obtained by the method for forming a film: step (1): preparing an aqueous dispersion liquid containing (A) a hydrophilic functional group-containing resin, (B) an ammonium salt, and (C) a nonionic thickener, a mixed amount of the component (B) being from 0.25 to 10 parts by mass per 100 parts by mass of a solid content of the component (A); step (2): coating the aqueous dispersion liquid on at least one surface of a substrate to form a coated film; step (3): subjecting the coated film to a thermal gelation treatment to form a gelled film; and step (4): drying and solidifying the gelled film to form a film.

The invention provides traditional Chinese herbal medicine drying equipment, which comprises a drying tube body, wherein a drying round plate is arranged at the middle part of the drying tube body; the size of the drying round plate is matched with the inner wall of the drying tube body; a plurality of ventilation holes are uniformly formed in the drying round plate; the two side ends of the drying round plate are provided with a rotating shaft; the rotating shaft is rotationally connected with the inner wall of the drying tube body; a temperature sensor is arranged on the inner wall of the drying tube body; a filtering net plate is arranged on the upper end of the drying tube body; a waste material cover covers the filtering net plate; the top end of the waste material cover is communicated with a waste material pipe; a fixing ring is supported on the outer wall of the drying tube body; the lower end, supporting the fixing ring, is fixedly provided with a support rod; a discharging opening is formed right under the drying tube body; a heating box is connected onto the side wall of the lower end of the drying tube body through the air inlet pipe; the air inlet end of the heating box is connected with a blast blower; a controller is arranged on the outer wall of the heating box. The traditional Chinese herbal medicine drying equipment has the advantages that the structure is simple; the design is reasonable; medical materials can be sufficiently and uniformly dried; the temperature inside the tube body is controlled; the finished product quality and the finished product obtaining efficiency of the medical materials are improved.

The invention relates to a preparation method of edible rice protein. The method comprises the following steps of pre-treating raw materials, crushing, mixing, reacting, separating and washing, drying and the like. According to the method provided by the invention, macromolecular dextrin in rice dreg is washed by using hot water before being aged; impurities in the rice dreg can be separated from protein which is not dissolved in water by crushing and a salt forming reaction of fat; then a cyclone is used for separating and washing so that the separating and washing efficiency is greatly improved; compared with flash drying and spray drying, the preparation method has the advantages that the equipment investment is saved by about 40% and the operation cost is saved by about 35%; the edible rice protein with the protein dry basis content more than 90%, fat content less than 2% and ash content less than 2% is obtained; the extraction rate of the rice protein is more than 85%; the obtained product can be widely applied in food industries, particularly infant foods; compared with a manner of using the raw material rice dreg as a feed, the preparation method has the advantage that the added value of products is greatly increased.

The invention discloses substitute tea capable of removing heat and toxic materials which contains the following raw materials: dehydrated guava leaves, dried guava fruits, dried bitter gourd, tea leaves, liquorice, dehydrated stigma of corn, dehydrated roselle, pericarpium citri reticulatae, dehydrated stevia rebaudian, dehydrated semen cassia, chrysanthemum, dehydrated gynostemma pentaphylla, dehydrated lotus leaf, pink rose, broadleaf holly leaf and the like, wherein the raw materials are dehydrated and dried till the water content is controlled to be 5%-8%. In addition, the invention further discloses a preparation method of the substitute tea. The preparation method comprises the following steps: selecting fresh tea material, cleaning the fresh tea material, finishing, blanching, cooling, carrying out vacuum dewatering under variable pressures, drying with combination of solar energy and dehumidification, grinding raw materials, mixing and stirring, packing with small filter-bags. The technical solution provided by the invention overcomes the defects in the traditional series substitute tea processing methods, energy consumption and production cost are reduced, influences of weather are avoided, the drying is fast, the product quality is good, and the product meets the national standard related to food hygiene.

The invention discloses a T/P91 steel electrode manufacturing method. An R40 welding wire is used as a core wire. Medical powder comprises, by weight percentage, marble 31-35, fluorite 26-29, titanium dioxide 4-7, quartz 1-2, mica 1-2, chromium metal 13-15, atomization nickel powder 1-2, ferrotitanium 7-9, ferromolybdenum 1-2, ferroniobium 0.5-1, ferrovanadium 1-2, and vanadium-nitrogen alloy 1-2. After the powder is mixed in a drying mode, water glass is added according to a ratio of 3:1 and is mixed with the powder in a wet mode, and suppression is carried out after uniform stirring is carried out. Electrode coating weight coefficient is controlled to be 0.95-1.0, cracking of a coating after being dried is avoided, the compression environmental temperature is over 20 DEG C, the products are placed into a drying box after being dried for 3 hours, and is dried for 2 hours when temperature is 100 DEG C, 125 DEG C per hour is risen into 450 DEG C, and then furnace cooling of the products is carried out after being warmed for two hours. The steel electrode is good in welding process performance, little in splatter, low in smoke amount, and attractive in appearance of weld. All the performances can reach foreign imported similar steel electrode technological level. Production cost is greatly reduced.

The invention discloses an energy-saving environment-friendly high-temperature hot air drying stove and belongs to stove type devices. The energy-saving environment-friendly high-temperature hot air drying stove is mainly formed by assembling a stove body, a high-temperature hot air radiating communicated pipe, various air pipes, various chambers, a medium-pressure draught fan and the like through welding. A stove plate cover is arranged on the stove body. The high-temperature energy storage chamber is arranged in the stove body. One of the two ends on the two sides of the high-temperature energy storage chamber is connected with a control valve air inlet pipe, and the other one of the two ends on the two sides of the high-temperature energy storage chamber is connected with the high-temperature hot air radiating communicated pipe. A feeding air inlet is formed in the front portion of the high-temperature energy storage chamber. The secondary oxygenation gasification chamber is located below the high-temperature energy storage chamber. One side of the secondary oxygenation gasification chamber is externally connected with another control valve air inlet pipe. A stove inner part combustion area is arranged below the secondary oxygen adding gasification chamber. The high-temperature heating chamber is arranged on the periphery of the stove inner part combustion area. An air discharge pipe is externally connected to the rear portion of the upper side of the high-temperature heating chamber. Another control valve air inlet pipe is externally connected to the lower side of the high-temperature heating chamber. The bottom oxygenation combustion chamber is located below the stove inner part combustion area. Another control valve air inlet pipe is connected to one side of the bottom oxygenation combustion area. The stove floor air inlet ignition chamber is connected to the lower portion of the stove body. One side of the stove floor air inlet ignition chamber is externally connected with a reverser combustion channel. All the air inlet pipes are communicated with a main air pipe. The medium-pressure draught fan is connected to a lower end opening of the main air pipe. The energy-saving environment-friendly high-temperature hot air drying stove is compact in structure, easy and safe to operate, easy to install and maintain, high in heat efficiency, high in heating speed, capable of consuming various kinds of fuel, and remarkable in energy conversation and emission reduction effect and has the drying function, the heating function, the temperature increasing function and the like.