16results about How to "Stable moisture content" patented technology

The present invention belongs to the field of microorganisms, and specifically discloses a strain of Sphingobacterium shellycum and its application. The Sphingobacterium shellycum (Sphingobacteriumputeale) strain TYQ6 was deposited in the General Microbiology Center of China Microorganism Culture Collection Administration on April 27, 2023, with a deposit number of CGMCC.27215. The applicant found through experiments that the above-mentioned Sphingobacterium shellycum can secrete auxin, which can promote the growth of cucumber seedlings. It also has the ability to enhance the cucumber seedlings' ability to resist drought, interfere with the tropism migration of nematodes, and kill nematodes; therefore, the above-mentioned Sphingobacterium shellycum has broad application prospects in agricultural production.

The present invention provides an odor adsorption material, adsorption system and preparation method for a landfill, which can efficiently absorb H2S in a landfill. An odor adsorption material for a landfill, the raw material of which is a recycled fine aggregate prepared from recycled construction waste and recycled powder mixed with recycled fine aggregate, and the recycled construction waste contains quicklime or slaked lime. An odor adsorption system for a landfill, the system includes at least one intermediate adsorption subsystem and a topmost closure adsorption subsystem; the intermediate adsorption subsystem includes three functional layers, which are, from top to bottom, an upper gas collection layer, an odor adsorption layer II, and a lower gas collection layer; the closure adsorption subsystem includes six functional layers, which are, from top to bottom, a vegetation layer, a drainage layer, an impermeable layer, a drainage layer, an odor adsorption layer I, and a gas collection layer I, and the materials of the odor adsorption layer I and the odor adsorption layer II are the odor adsorption materials.

The invention discloses a laser diameter measuring instrument lens self-cleaning device and method based on multi-mode cooperation, and belongs to the technical field of cigarette manufacturing. The device comprises a pollution sensing unit for acquiring the pollution area P, the oiliness index Q and the particle density G of the surface of the lens; the annular ion air curtain unit is used for generating ion airflow flowing by being attached to the surface of the lens; the piezoelectric ultrasonic unit transmits high-frequency vibration to the surface of the lens; the ultraviolet laser unit is used for emitting pulse type ultraviolet laser; and the controller is electrically connected with each unit. The method comprises the following steps: acquiring pollution characteristic parameters in real time; determining a pollution level; generating a time sequence control instruction; and all the cleaning units are cooperatively controlled to work. According to the invention, self-adaptive, non-contact, non-stop and efficient cleaning of composite pollutants such as tobacco dust, tar and sugar is realized, the real-time cleaning requirement of a high-speed production line is met, and the measurement precision and the operation stability are guaranteed.

The invention relates to the technical field of pyrophyllite high-grade white porcelain, in particular to a method for preparing pyrophyllite high-grade white porcelain, wherein the raw materials for preparing the white porcelain include blank and glaze: the blank formula is composed of the following by weight: 10-20 parts of black mud, 15-20 parts of Datong soil, 8-10 parts of feldspar, 20-30 parts of pyrophyllite, 8-10 parts of quartz, 10-15 parts of elution mud, 15-25 parts of Longyan soil, 1-4 parts of bone meal and 1-3 parts of talc. The invention uses pyrophyllite as a base material to produce high-grade white porcelain, the pyrophyllite has less structural water, relatively stable water content and permanent linear expansion, so the white porcelain has small deformation and good thermal stability, high crystalline quartz content and large expansion coefficient, and the pyrophyllite blank adjusts the bonding performance between the blank and glaze through the opposite way, so that the blank and glaze have good adaptability, the pyrophyllite contains less structural water, the dehydration process is slow, the shrinkage during the firing process is small, which is conducive to the rapid firing of the kiln, improves the product quality of the ceramics and saves energy and reduces consumption.

The invention discloses an anisotropic material heat conductivity coefficient measuring device and an operation method thereof.The measuring device comprises a box body, a weight sensor, an electric heating wire, a temperature sensor, a main control chip and an upper computer, the weight sensor is arranged between an outer shell and a cylindrical barrel and used for weighing the weight of the cylindrical barrel, and the electric heating wire is arranged in the box body; the electric heating wire surrounds the outer wall of the cylindrical barrel, the temperature sensors are circumferentially arranged in the cylindrical barrel at equal intervals and diverge from the center of the cylindrical barrel to the edge of the cylindrical barrel, and the main control chip is electrically connected with the weight sensor, the electric heating wire and the temperature sensors. The main control chip is used for collecting data signals of the weight sensor and the temperature sensor, inputting the data signals into a built-in physical information neural network and calculating and measuring the anisotropic heat conductivity coefficient of the to-be-measured material, and the upper computer is electrically connected with the main control chip, obtains data transmitted by the main control chip and sends a control instruction to the main control chip; according to the invention, the heat conductivity coefficient of the material with anisotropic characteristics can be measured and analyzed more accurately.

The agricultural greenhouse with the temperature control function comprises a greenhouse body and a greenhouse roof, the greenhouse roof is fixedly installed at the top of the greenhouse body, bearing plates are symmetrically welded to the bottom ends of the surfaces of the two sides of the greenhouse roof, and brake motors and storage boxes are installed at the tops of the bearing plates respectively. By adopting the heater and the circulating pipe, when the temperature sensor detects that the temperature is lower than a preset range, water in the water tank can be heated through operation of the heater in the water tank on one side, and then a heated water source can be guided into the circulating pipe through the water pump; the greenhouse roof can be heated through hot water flowing in the circulating pipe, when accumulated snow appears on the greenhouse roof, the accumulated snow can be melted in time through heat of the hot water, collapse of the greenhouse roof caused by accumulation of a large amount of accumulated snow is avoided, and the greenhouse has the advantage of preventing damage caused by the accumulated snow in winter.

This invention discloses a method for extracting high-purity ammonium tetramolybdate from a waste oil hydrogenation catalyst. S1, Primary ammonia dissolution: 28% ammonia water, water, and molybdenum acid extracted from the waste oil hydrogenation catalyst are added to a primary dissolution vessel. The mixture is stirred until the molybdenum acid is fully dissolved. The reaction time is controlled to 1 hour. The pH of the dissolved solution is 7-8. The molybdenum acid has a water content of 35% and a Mo content of 46-50%. This invention employs a stepwise deep impurity removal process of "magnesium chloride for phosphorus removal + 231 resin for vanadium removal," and sets up dual phosphorus and vanadium content detection to ensure that phosphorus <0.01g / L and vanadium <0.01g / L before proceeding to subsequent processes. The molybdenum-vanadium separation coefficient of 231 resin is much higher than that of ordinary resin, effectively avoiding impurity entrainment.

The utility model relates to the field of fluid substance processing, in particular to a stirring mechanism and a navel moxibustion dough processing box, which comprise a rotating mechanism, the rotating mechanism comprises a top cover and a stirring stick, a servo motor is arranged in the top cover, the stirring stick is arranged at the axis of the bottom of the outer wall of the top cover, and the top of the stirring stick is connected with the servo motor in the top cover; the water injection mechanism comprises a follow-up roller, the follow-up roller is in a hollow cylindrical shape, the follow-up roller is arranged on the outer wall of the stirring rod, and the follow-up roller is matched with the stirring rod and the top cover; through the cooperation of the rotating mechanism and the water injection mechanism, manual stirring of dough can be avoided, and the water content of the made dough is relatively stable.

The invention discloses a textile yarn constant-temperature humidifying and antistatic device, and relates to the field of textile industry, the textile yarn constant-temperature humidifying and antistatic device comprises a vehicle body, a heat exchanger is arranged on one side of the top of the vehicle body, a heat conduction fan is arranged on the other side of the top of the vehicle body, a base is arranged on one side of the vehicle body, and an auxiliary mechanism is arranged on the top of the base; according to the yarn constant-temperature humidifying and antistatic device for spinning, the heat exchanger, the heat conduction fan and a temperature sensor of the auxiliary mechanism are in linkage with a servo motor, the hot air introduction amount of a heat conduction notch is controlled by means of an air shielding plate, and the heat conduction notch is controlled by means of a temperature sensor of the auxiliary mechanism. The multi-stage fan blades are unfolded to retain hot air in the discharging barrel, accurate regulation and control over the temperature and humidity around a single batch of yarn are achieved, the problem of uneven temperature and humidity distribution of conventional equipment is solved, it is guaranteed that the water content of the yarn is stable, and embrittlement and breakage are avoided.

The application provides a marine clay-geogrid interface cyclic shear stress prediction model construction method, and relates to the technical field of marine engineering. The method comprises the following steps: preparing and assembling a marine clay-geogrid interface shear test sample; after the sample is assembled, a multi-working-condition interface cyclic shear test is carried out to obtain effective original test data; based on the effective original test data, an interface cyclic shear test database is constructed; based on the interface cyclic shear test database, a deep learning prediction model is constructed and trained; the accuracy of the prediction model is verified, the optimal prediction model is screened out, and a marine clay-geogrid interface cyclic shear stress prediction formula is built based on the optimal prediction model. The application can obtain reliable test data under multiple working conditions, accurately depict the shear stress evolution law by constructing a CNN-BiLSTM model, build an engineering usable prediction formula, and provide reliable support for the design and safety evaluation of marine engineering reinforced structures.

The invention relates to the technical field of wood modification, in particular to a wood high-temperature plasticizing compression enhancing method and a solid wood material thereof.The wood high-temperature plasticizing compression enhancing method sequentially comprises the following steps that in the preparation step, sawn timber with the water content being 0 + / -3% is taken and placed on the surface of a lower pressing plate, and the temperature of an upper pressing plate and the temperature of the lower pressing plate are 220-240 DEG C; a preheating step: enabling the upper pressing plate to be in contact with the upper surface of the sawn timber for 30-90 seconds; in the compression step, the upper pressing plate is pressed downwards at the pressure of 3.5-4.5 MPa, and the pressing feeding speed is 4.5-5.0 mm / min; in the pressure maintaining step, the upper pressing plate and the lower pressing plate are both cold plates, and the pressure is maintained for 200-300 s; and the pressure relief step is conducted, specifically, pressure relief and discharging are conducted, and the solid wood material is obtained. According to the method, wood can be plasticized and enhanced, and the prepared solid wood material retains natural properties of log, has high mechanical strength and stability and can be widely applied to the fields of wood floors, furniture, wooden doors, decorative materials and the like.

The invention relates to the technical field of traditional Chinese medicine, in particular to a preparation method of a roxburgh rose leaf extract, a construction method of a specific chromatogram and a detection method of brachyphyllinic acid and ellagic acid in the roxburgh rose leaf extract.The preparation method comprises the steps that roxburgh rose leaf decoction pieces are decocted twice to obtain decoction liquid, and the decoction liquid is filtered; the roxburgh rose leaf extract is prepared from roxburgh rose leaf decoction pieces, through an accelerated stability test, the content and the moisture content are relatively stable, and specific chromatograms and a content detection method are good in specificity, repeatability and stability.

The utility model discloses a textile textile cloth wet device, and the wet box main part one side is provided with two openings, and two openings are arranged up and down, and the opening located below is cloth inlet, and the opening located above is cloth outlet, and the wet box main part bottom is provided with water, and the wet box is rotationally connected with a plurality of upper guide rollers and lower guide rollers, and the upper guide roller is correspondingly set with cloth outlet, and the lower guide roller is correspondingly set with cloth inlet, and the lower guide roller bottom is located below the liquid level of water, the wet box main part is provided with cloth pressing assembly, and the cloth pressing assembly is located between the upper guide roller and the lower guide roller, and the wet box main part top wall is fixedly connected with the tensioning assembly, and the tensioning assembly is in contact with the textile cloth and is set. The utility model discloses simple structure, convenient operation, and high wetting efficiency for textile cloth and can control the humidity of textile cloth.

The invention relates to the technical field of bamboo product processing and intelligent manufacturing, in particular to a bamboo film continuous production intelligent control system and a control method thereof.The bamboo film continuous production intelligent control system comprises a first unit module which comprises a moso bamboo rough machining system, a bamboo slicing system and a drying system; the second unit module comprises a coarse grinding system, a fine grinding system and a bamboo powder heating and stirring system; the third unit module comprises a film blowing and calendering system, a cooling and coiling system and a slitting system; the fourth unit module comprises a packaging system, a warehouse-in system and a warehouse-out system; the central control unit manages the first unit module, the second unit module, the third unit module and the fourth unit module in an integrated mode through an artificial intelligence algorithm, full-process automatic control is achieved, modular design is adopted, the whole production process is divided into four main unit modules, and the production efficiency is improved. And unified management is carried out through the central control unit.

The invention belongs to the technical field of grafting seedling basic devices, and discloses a grafting healing device and a grafting healing method for recycling waste plastic bottles. The waste plastic bottles are soaked in 5% sodium hypochlorite to be disinfected for 30 min or sprayed with 75% medical alcohol to be disinfected, and the waste plastic bottles are cleaned with tap water and dried in the air; the method comprises the following steps: cutting an air-dried plastic bottle body according to a ratio of 3: 7 or 4: 6, punching a bottle cap by using a sharp tool, penetrating a cotton sliver with a diameter approximate to that of a bottle cap hole through the bottle cap hole so as to facilitate water absorption of soil, and inversely buckling the upper half part of the bottle body on the lower half part of the upright bottle body; the upside-down upper half part of the bottle body is used for filling a culture medium, the lower half part of the bottle body is used as a water storage tank, and the water adding amount does not exceed the upside-down bottle cap or does not exceed 2 / 3 of the water adding amount of the upside-down bottle body. The grafting healing device is wide in application range and can be used for various plug seedling seeds, and the seedling cultivation effect is better than that of plug seedling.

This invention discloses a continuous dispersion and heat-damage-preventing drying process for wet carbon fiber materials, belonging to the field of carbon fiber drying technology. The process includes: obtaining the initial moisture content of the wet carbon fiber material and determining the drying process parameters; filtering and heat-exchanging the process gas to form a drying medium; feeding the wet carbon fiber material into a zoned cooling Venturi tube for high-speed deagglomeration and dispersion, and cooling and temperature control of the throat area of ​​the Venturi tube; allowing the deagglomerated gas-solid mixture to enter a staged expansion flash tube for flash drying; subsequently, entering a cyclone dryer for suspension deep drying, and detecting the moisture content of the bottom discharge, adjusting the feed rate, flash heating charge, and return ratio based on the detection results; the dust-laden hot gas discharged from the cyclone dryer is purified by a bag filter, and the recovery ratio is adjusted according to the dew point and temperature of the purified hot gas. This invention can reduce the risk of material agglomeration and localized heat damage, and improve drying uniformity, moisture content stability, and thermal energy utilization.