174 results about "Evaporating dish" patented technology

A high-frequency heating apparatus with a steam generating function, which heat-treats a to-be-heated object by supplying at least high-frequency waves or steam to a heating chamber 11 that accommodates the object. This high-frequency heating apparatus has a high frequency wave generating portion 13, a steam generating portion 15 for generating steam in the heating chamber 11, and a circulating fan 17 for agitating air in the heating chamber 11. Moreover, the high-frequency heating apparatus has a chamber air heater 19 for heating air circulating in the heating chamber 11. The steam generating portion 15 generates steam by heating an evaporating dish 35 that has a water storing recess.

A chemical diffusion apparatus (1) comprises a first tank (2) filled up with a volatile chemical A such as a communication disturbance agent and a second tank (3) filled up with a volatile chemical B. The chemicals A and B are sucked by means of a discharge volume variable pump (6) to be discharged onto an evaporating dish (8) through a discharge tube (7). A mixed chemical C discharged onto the evaporating dish 8 is naturally diffused in the air. A control circuit (9) controls drive of the pump (6). An input side of the control circuit (9) is connected to a timer (11) and an environment parameter detecting means such as a temperature sensor (12), an illumination sensor (13), a wind direction sensor (14) and a wind velocity sensor (15). The control circuit (9) controls discharge and discharge volume of the mixed chemical C from the pump (6) on the basis of detecting results from the respective sensors in accordance with a control program.

The invention discloses Lycium ruthenicum Murr effective extract and its extraction method and use. The extraction method comprises the following steps of carrying out vacuum drying of Lycium ruthenicum Murr, crushing it, adding 95% of ethanol into the crushed Lycium ruthenicum Murr, carrying out backflow 2 times, wherein each backflow process lasts for 1h, carrying out filtration, carrying out distillation of the filtrate at a temperature of 75 DEG C for concentration, transferring the concentrate into an evaporating dish, carrying out water-bath evaporation, carrying out vacuum drying at a temperature of 70 DEG C for 2h to obtain dry extract, adding methanol into the dry extract until a constant volume is realized, filtering by an organic microporous filter membrane having the aperture size of 0.45 microns and carrying out procyanidine extraction. The Lycium ruthenicum Murr effective extract obtained by the scientific and reasonable extraction method has novel purposes of reducing blood pressure, blood fat and blood sugar. The extraction method provides a novel measure for effective and full utilization of the Lycium ruthenicum Murr effective extract in products for treating or preventing diabetes, hyperlipidemia and hypertension. The extraction method shortens extraction separation time, reduces energy consumption in processes, and effectively reduces a production cost. The Lycium ruthenicum Murr effective extract has high purity, stable performances, fewer extract impurities and good quality. The extraction method adopts pharmaceutical health-care products having antioxidation effects.

The invention discloses a method for microwave-assisted rapid synthesis of ordered mesoporous carbon, which belongs to a preparation process of a nanometer carbon material. The method comprises the following steps: a surfactant F127, a phenolic resin and ethyl orthosilicate are mixed evenly; a uniform transparent solution is formed in acid medium by heating and stirring, and is transferred into an evaporating dish to form a thin film; the microwave is utilized to heat and polymerize, the power is between 200 and 600W, and the time is between 30 and 60min; and the high-temperature carbonization is performed under the protection of nitrogen or argon. The utilization of the method can improve the preparation efficiency of the ordered mesoporous carbon and obtain excellent structural performance at the same time.

The invention discloses a method for synthesizing manganese lithium phosphate/carbon serving as a positive material of a lithium ion battery. The method comprises the following steps of: 1) mixing materials, namely adding a lithium source compound, a phosphorous source compound and a manganese source compound serving as raw materials into a ball mill jar, adding a carbon source compound, adding liquid medium until the raw materials and the carbon source compound are immersed and ball-milling until all the materials are uniform; 2) drying the ball-milled mixture, namely taking the mixture obtained in the step 1) out, putting into an evaporating dish, drying and grinding into powder; and 3) calcining at a high temperature, namely calcining the mixture powder obtained in the step 2) in an inert atmosphere at the temperature of between 500 and 800 DEG C for 1 to 12 hours to obtain the carbon-coated manganese lithium phosphate. The method has a simple synthesis process and easily controlled experimental conditions, the production cost of the manganese lithium phosphate is reduced, and the implementation of industrial production is facilitated; and the prepared positive material of the lithium ion battery has high electrochemical performance.

The invention relates to a method for preparing nanometer nitro celluloses, and belongs to the technical field of special chemical engineering. The preparation method comprises the following steps of: 1, performing ultrasonic pre-treatment on cotton cellulose powder in ice bath, and performing pumping filtration and drying on the cotton cellulose powder for later use; and soaking the cellulose powder in sulfuric acid solution at a certain concentration, controlling a solid-liquid ratio within 17.5 to 50g/mL, stirring the mixed solution to perform reaction in water bath at the temperature of between 45 and 75 DEG C for certain time, adding water to dilute the mixed solution, performing the centrifugal separation on the reaction solution until a pH value of the mixed solution is 6 to 7, and ultrasonically dispersing the mixed solution to obtain the stable nanometer cellulose crystal whisker suspension; 2, adding a proper amount of nitric acid into the nanometer cellulose crystal whisker suspension so as to make the nanometer cellulose crystal whisker suspension reach the needed concentration, adding water to dilute the mixed solution, and performing centrifugation and washing until the pH value of the mixed solution is 6 to 7; and 3, moving precipitates to an evaporating dish, and performing vacuum drying on the precipitates at the temperature of 50 DEG C to obtain the nanometer nitro cellulose powder. In the method, because the composition of the acid is single, the post-treatment and the reutilization of the acid are convenient; and the nitrifying time is shortened, and the stability is improved; and the nanometer nitro celluloses can be used as the energetic reinforcing materials.

The invention discloses an evaporating dish component of a fridge. The evaporating dish component comprises a water pan and an evaporating pipe, wherein the evaporating pipe is fixed on a back face of the bottom of the water pan. According to the evaporating dish component, the evaporating pipe is arranged on the bottom of the water pan; and the evaporating pipe is fixedly arranged on the back face of the bottom of the water pan and is not contacted with water stored in the water pan. In this way, a hotter cooling agent discharged from a compressor passes through the evaporating pipe; and on one hand, condensed water and defrosting water in the water pan can be evaporated by heating, on the other hand, heat dissipation and cooling of the cooling agent can be achieved. Because the evaporating pipe is not directly contacted with the condensed water and defrosting water, corrosion (of the evaporating pipe) due to the condensed water and defrosting water is greatly reduced, the service life of the evaporating pipe is prolonged, so that the reliability and safety of the whole fridge are improved.

The invention provides a preparation method for tussah silk glutin powder. The preparation method comprises the followings steps: firstly, based on slightly-soluble sericin liquor as a raw material, hydrolyzing the slightly-soluble sericin liquor by a double-enzyme combination process of neutral protease and trypsin; then, extracting and reccovering sericin by adopting an ultrafiltration membrane assembly and a process method, and decolorizing sericin hydrolysate by using a H2O2 decoloration process; and finally, concentrating the ericin hydrolysate by adopting a double-effect film-falling evaporating dish, and drying by adopting a centrifugal spray dryer to obtain light-yellow soluble glutin powder.

The invention discloses an irrigation prediction system based on an automatic water supplementing evaporating dish. The irrigation prediction system comprises a water supplementing device (3), the evaporating dish (5), a metering dish (8), a rain cover (16) and a central processing unit (9); a communicating pipe (12) is connected between the water supplementing device (3) and the evaporating dish (5), a valve a (13) is installed on the communicating pipe (12), an overflow pipe (6) is connected between the evaporating dish (5) and the metering dish (8), and the rain cover (16) is installed at one side of the evaporating dish (5); the central processing unit (9) comprises a clock module, a processing module, a storing module, a weather forecast module, a program setting module, a communication module, a control module and a display screen. The irrigation prediction system has the advantages that intelligent control over evaporation capacity observation is achieved, and the observation precision is improved; the water demand of crops is predicted according to the observed evaporation capacity of the evaporating dish, and the crop irrigation schedule is made by combining a weather forecast system.

The invention discloses a farm irrigation indicating device, which comprises an evaporating dish and a water-replenishing sealing box, wherein the evaporating dish is covered with a mesh cover corresponding to the growth period of crop; the water-replenishing sealing box is connected with the evaporating dish via a connecting pipe; the water level in the water-replenishing sealing box can be displayed by self; the water-replenishing sealing box is provided with a water filling hole with a sealing plug; the top cover of the water-replenishing sealing box is provided with a ventilating pipe in integral structure with the top cover; the ventilating pipe is inserted into the water-replenishing sealing box; the end part of the ventilating pipe is near the bottom of the water-replenishing sealing box; and the connecting pipe is provided with a tong. According to the farm irrigation indicating device disclosed by the invention, the farm water consumption amount can be accurately reflected, and the production cost is low. The invention also discloses a use method used for the farm irrigation indicating device. The method is favorable for the device to accurately reflect the farm water consumption amount and is convenient for the device to indicate the reasonable irrigation time.

The invention discloses a method used for simultaneous extraction of radix isatidis polypeptides and polysaccharides. The method comprises following steps: radix isatidis is smashed, and is immersed in ethyl acetate, an obtained solution is filtered, and an obtained filter cake is washed with distilled water for 3 to 5 times, and is dried; the filter cake is immersed in distilled water for 1 to 2h, and is subjected to ultrasonic treatment for 10 to 80s; an obtained mixed solution is heated to 60 to 90 DEG C, is stirred for 1 to 3h at a stirring speed of 120 to 300rpm, and is filtered, and a filtrate is collected; an obtained filter cake is immersed in distilled water for 1 to 2h, is heated, and is subjected to acid alkali adjustment respectively, an obtained mixture is stirred for 1 to 3h at a stirring speed of 120 to 300rpm, and is filtered, and a filtrate is collected; the filtrates obtained via the above steps are mixed, and an obtained mixed material is delivered into an evaporating dish for evaporation and concentration, ethyl alcohol is added, an obtained product is allowed to stand for 12 to 24h, and is subjected to centrifugation, a supernatant is discarded, an obtained precipitate is collected, and is subjected to vacuum drying so as to obtain a polypeptide and polysaccharide mixture. The method can be used for simultaneous extraction of radix isatidis polypeptides and polysaccharides; operation is simple; polypeptides extraction rate is as high as 95.45%; polysaccharides extraction rate is as high as 92.48%; and impurity content is less than 5%.

The invention belongs to a method for preparing high-purity bismuth oxide, which comprises the steps: (1) metal bismuth is added to a stainless steel reaction vessel after being washed by high-purity water, the high-purity water and high-purity nitric acid are added to carry out a heating reaction; the reactant is filtered after being cooled; the filtrate is condensed and cooled to obtain crystals; (2) the crystals in the step (1) are dissolved into a saturated solution by high-purity water; the saturated solution is added to the stainless steel reaction vessel and hydrolyzed under the stirring for standing; the bismuth subnitrate is completely precipitated; the supernatant liquor is eliminated; the precipitation is pumped; the pumped precipitation is washed by high-purity water, pumped and dried; the dried bismuth subnitrate is pulverized and added to a ceramic evaporating dish; then the pulverized bismuth subnitrate is transferred to a muffle furnace to be baked; the baked bismuth subnitrate is pulverized after being cooled; and the pulverized bismuth subnitrate is added to the muffle furnace to be baked and cooled so as to obtain the high-purity bismuth oxide finished product. The method for preparing the high-purity bismuth oxide has the advantages of simple process step and high production efficiency, and the high-purity bismuth oxide has the advantages of low impurity content and high purity.

The invention relates to a refrigerator evaporating dish, which comprises a condensate water collection tank and a compressor drain pipe, wherein the condensate water collection tank is a stainless steel water collection tank. The refrigerator evaporating dish also comprises a heat insulation layer which covers the outer wall of the condensate water collection tank, and the compressor drain pipe is arranged between the heat insulation layer and the outer wall. The invention provides a refrigerator evaporating dish which improves the evaporative power, is convenient to mount and reduces the space usage.

The invention relates to a bonsai automatic irrigating and water-supplying device and an applying method thereof, and belongs to the technical field of horticulture irrigation. The method comprises the steps of firstly injecting water into an evaporating dish water supplying device and an evaporating dish separately till the water level reaches an initial water level line and an evaporating dish initial water level line, setting a bonsai water allowable transpiration amount and a water level warning line, and using the evaporating dish to simulate bonsai water dissipation. Under the effect of the atmospheric evaporation power, the water level of the evaporating dish is lowered, the water in bonsai soil is also dissipated and reduced under evaporation and transpiration effects, when the evaporation amount of the evaporating dish reaches the bonsai water allowable transpiration amount, a water pressure sensor detects a signal and transmits the signal to an irrigating valve, the irrigating valve is switched on, so that the water in a bonsai water supplying device flows into a water-injecting sand layer at the bottom of a bonsai flowerpot, and thus automatic irrigating and water-supplying of bonsai plants are achieved. According to the bonsai automatic irrigating and water-supplying device and the applying method thereof, it is unnecessary to specially assign people to maintain the bonsai automatic irrigating and water-supplying device, the air humidity and temperature can be adapted to, the watering time is determined through an evaporation amount, so that the water control amount is more accurate, a large amount of labor is saved, and thus the bonsai automatic irrigating and water-supplying device has a wide application prospect.

The invention discloses a method for measuring asphalt content and asphalt-aggregate ratio in an asphalt mixture. The method includes: weighing the mass m0 of an asphalt mixture sample, heating the weighed asphalt mixture sample in a drying oven, crushing the heated asphalt mixture sample, and cooling to normal temperature; sealing, standing, stirring until asphalt of the asphalt mixture sample iscompletely dissolved, taking liquid on the upper portion, filling into a centrifugal tube, and centrifuging; weighing the mass m2 of an evaporating dish; pouring supernate in the centrifugal tube after centrifuging into the evaporating dish, and weighing the mass m3 of the supernate poured into the evaporating dish; heating the evaporating dish with the supernate in a sealed electric furnace, drying in a drying oven, cooling the evaporating dish in a dryer until the evaporating dish reaches normal temperature, weighing the mass of the cooled evaporating dish, and recording the mass as m4; calculating the asphalt content and asphalt-aggregate ratio in the asphalt mixture according to the m0, m1, m2, m3 and m4.

The invention belongs to the technical field of photocatalysis and relates to a Bi2Ti2O7/Bi4Ti3O12 composite photocatalyst and a preparation method thereof. Firstly, tetrabutyl titanate, acetylacetone and bismuth nitrate are measured and put in a beaker, and glacial acetic acid is added for stirring and dissolution; then the solution is poured into an evaporating dish and is put in a drying oven to prepare precursor power; the Bi2Ti2O7/Bi4Ti3O12 composite photocatalyst is obtained through calcination. The precursor power is prepared through a chemical solution dissolution method, a mixed crystal material is obtained through calcination, and the product has the advantages of being small in particle diameter, regular in morphology, high in visible light absorption capability, good in photocatalytic effect and the like. In addition, the reaction conditions are easy to control, the process and flow are simple and convenient, and the energy consumption is low.

The invention discloses a method for detecting content of total nonvolatile matters in high-purity and ultra-pure ammonia. The method comprises the following steps of: directly introducing ammonia into a volumetric flask and dissolving the ammonia in water, weighing a mass difference of the volumetric flask before and after the ammonia is dissolved, calculating the ammonia mass, slowly heating a ammonia water solution, releasing the ammonia through low-temperature evaporation, and then setting the heating temperature to be 100+/1 DEG C; pouring the ammonia water solution into an evaporating dish after the ammonia water solution is volatilized to a scale line of 100mL; heating the solution on an oven with the temperature of 100+/5 DEG C for 30 minutes after the ammonia water in the evaporating dish is totally evaporated; cooling in a dryer for 15 minutes; analyzing the scale weight and recording the reading; and finally, proportioning the mass difference of the ammonia water solution before and after the ammonia water solution is evaporated in the evaporating dish to the mass of the ammonia dissolved in the water, thus obtaining the content of total nonvolatile matters in the ammonia. The method has the advantages of being simple to sample, easy and convenient to operate, low in cost, high in analysis speed, high in detection precision, low in detection limit and short in analysis period.

A serial thermal printing light emitting display is of a different-combination laminated structure composed of a panel, electrodes, an electroluminescent layer and auxiliary function layers. The lattice of the electroluminescent layer or other auxiliary function layers is generated through serial digital thermal transfer printing of an LED serial printing thermal transfer ribbon [LED SP-TTR] (narrow) containing at least one material of the layer directly or indirectly, once or multiple times and in a collocation or multilayer overlay mode, and the lattice can be cross-linked after transfer printing. The display area and display resolution are only limited by the ITO capability, a roll-to-roll (R2R) continuous production process can be adopted more often, and the production process is applicable to the production of super-QXGA or WUXGA full-color displays. The transfer lattice can be generated without a 'mask plate' or 'slot hole'. The process is simplified, and the cost is reduced. The maximum pixel of the display is 2400PPI. Manufacture of a large-size display is no longer limited by the size of an evaporating dish (VTE) or a reaction chamber (OVPD).

The present invention discloses a high-frequency heating apparatus with a steam generating function, which heat-treats a to-be-heated object by supplying at least high-frequency waves or steam to a heating chamber 11 that accommodates the object. This high-frequency heating apparatus has a high frequency wave generating portion 13, a steam generating portion 15 for generating steam in the heating chamber 11, and a circulating fan 17 for agitating air in the heating chamber 11. Moreover, the high-frequency heating apparatus has a chamber air heater 19 for heating air circulating in the heating chamber 11. The steam generating portion 15 generates steam by heating an evaporating dish 35 that has a water storing recess.

The invention provides an evaporation residue tester. An external hot-air conveying device is used for heating to evaporate test sample liquid in a detection box, namely heating the test sample liquid in a sealed space; evaporating dishes move up and down or left and right along with a rotary shaft and a lead screw under the driving of a motor to be butted with evaporating covers or are arranged on a pallet on a weighing balance for weighing; each evaporating cover is provided with a liquid feeding pipe for feeding samples, a gas feeding pipe for accelerating evaporation of inputted nitrogen and a gas discharging pipe for collecting waste gas; finally, residues obtained from evaporation are put on the pallet for weighing; the whole detection process is automatic without artificial participation. The evaporation residue tester has the advantages that the structure is simple, the operation is convenient, the error is less, obtained data is accurate, the needed cost is low and potential safety hazards are avoided.

Cleaning according to an evaporating dish cleaning mode or heating chamber cleaning mode is implemented based on a signal inputted by the control part. In the heating chamber cleaning mode, condensation is generated on the inner surface of the heating chamber 11 by steam, and the soil adhered to the inner surface of the heating chamber 11 is allowed to float to be in a state of removing it easily. In the evaporating dish cleaning mode, a cleaning liquid made of citric acid solution is pumped into an evaporating dish 35, it is heated to a predetermined temperature, and it is left therein. Therefore, calcium and magnesium deposited on the evaporating dish 35 are allowed in a state of removing them easily.

The invention relates to an anesthesia respirator evaporation device. The problems are effectively solved that drawdown of liquid levels of current anesthesia evaporators influences evaporation speed,the evaporation speed and the amount of carried gas cannot be matched and adjusted, and the evaporation speed is low. According to the technical scheme, the anesthesia respirator evaporation device includes an evaporation chamber, multiple layers of evaporating dishes are arranged inside the evaporation chamber, a drug storage cavity is formed above the evaporation chamber, a vertical pipe whichpenetrates through the evaporating dishes in sequence is installed inside the evaporation chamber, the upper end of the vertical pipe is communicated with the bottom of the drug storage cavity, a plurality of plungers which are in one-to-one correspondence to the evaporating dishes and capable of moving up and down are installed inside the vertical pipe, and the plungers move up and down and thencan control whether or not medical liquid is stored inside the corresponding evaporating dishes. The liquid level of the anesthesia respirator evaporation device is constant; according to the amount of the carried gas, the working conditions of the evaporating dishes on each layer can be selectively started and closed, so that the evaporation efficiency of the medical liquid inside the evaporationchamber is matched with the amount of the carried gas; the space utilization rate of the evaporation chamber is high, and the anesthesia respirator evaporation device is compact in structure, small in size and high in evaporation speed.