118results about How to "Continuous and stable supply" patented technology

The invention has as an object proving a carbon nanomaterial fabrication method that can continuously mass-produce a high purity carbon a nanomaterial. The tube-shaped or fiber-shaped carbon nanomaterial having carbon as the main constituent is fabricated with a compound that includes carbon (raw material) and an additive that includes a metal by using a fluidized bed reactor.

A pulley unit includes a pulley and a rotor concentrically disposed for relative rotation, a one-way clutch interposed in an annular space therebetween, rolling bearings provided on opposite sides of the one-way clutch, and a seal ring for sealing the annular space. An inner diametrical surface of the pulley forms an outer ring raceway of the one-way clutch and the rolling bearing, and an outer diametrical surface of the shaft body forms an inner ring raceway of the one-way clutch and the rolling bearing. An outer diameter side of an annular portion of a retainer of the rolling bearing on the side of the seal ring is reduced so as to increase a storage volume of lubricating oil between the rolling bearing and the seal ring.

The invention discloses a pneumatic transmission and blast furnace injection technology and system for removing dust of a coke oven. The technology comprises the following specific steps of: (1) maintaining air pressure balance between a dust-removing storage bin and a dust conveying bin pump; (2) feeding the dust removed in the coke oven into the dust conveying bin pump; (3) feeding compressed air into the dust conveying bin pump and mixing the compressed air with dust gas; (4) conveying the dust removed in the coke oven into the dust-removing bin of the coke oven; (5) mixing the dust removed in the coke oven with washed coal, and sending the mixture into a mixture bin; (6) feeding the mixture of the mixture bin into a medium speed coal mill for finely grinding; (7) collecting the finely ground material by a cloth bag powder collector, and then sending the collected material into a mixture powder bin; and (8) feeding the power in the mixture powder bin into a coal injecting tank, and then jetting the powder into a related unit of a blast furnace by virtue of nitrogen. The technology is carried out in a closed system, so that the dust removed in the coke oven can be conveyed within a long distance without pollution. Meanwhile, the dust removed in the coke oven is provided for a blast furnace pulverized coal injection system, thus being effectively utilized.

The invention provides a particle type friction stir additive manufacturing device and method. The particle type friction stir additive manufacturing device comprises a wire shearing mechanism, the wire shearing mechanism comprises a base and a shearing part with a cutting edge, a wire guide hole is formed in the base, and a wire can pass through the wire guide hole. The particle type friction stir additive manufacturing device is characterized in that the shearing part is in close contact with the base, the shearing part rotates with the geometric center of the base as the axis, so that the cutting edge intermittently cuts the wire sent out from the wire guide hole. According to the particle type friction stir additive manufacturing device, additive particles of different diameters, different lengths and different materials can be obtained at the same time, friction stir additive manufacturing of gradient composite materials is achieved, and it can be guaranteed that the additive particles are continuously and stably provided; and meanwhile, operation is easy, and multi-layer additive manufacturing can be achieved under the condition that an additive device does not need to be adjusted.

The invention relates to antagonistic bacteria preventing and removing continuous cropping cucumber rhizoctonia rot and a microbial organic fertilizer produced thereby, which belong to the technologies of agricultural intensified production. The antagonistic bacteria NJN43 with the significant antagonistic effect for original fungi of the cucumber rhizoctonia rot is obtained by separation, the antagonistic bacteria and an organic compost are mixed for preparing the microbial organic fertilizer, the fertilizer contains more than 1 multiplied by 10<8>/g of antagonistic microbes, the content of total nitrogen is 4-5% (more than 90% is organic nitrogen), the total content of nutrients of nitrogen, phosphorus and potassium is 6-10% and the content of organic matters is 30-35%. Tests show that the microbial organic fertilizer can lead the antagonistic bacteria to be rapidly propagated after being applied into the soil and form heterotic groups in the soil, and the biological rate for preventing and treating the rhizoctonia rot in the continuous cropping soil with the serious cucumber rhizoctonia rot can be more than 70%. The long-term application of the microbial organic fertilizer in the soil without the formation of continuous cropping obstacles can prevent the occurrence of the rhizoctonia rot of continuous cropping crops to a great extent.

A power supply method for an alternating-direct current locomotive upon unpowered conveying is characterized in that a power supply device for an alternating-direct current locomotive is disposed on the locomotive, a locomotive battery is used to provide exciting power for a traction motor through an exciting chopper module of the power supply device, the traction motor enters power generation state to power a locomotive load, and after the traction motor enters the power generation state, the exciting chopper module uses the power generated by the traction motor to continuously provide exciting power for the traction motor. After the traction motor enters the power generation state, the power generated by the traction motor is used to provide exciting power for the traction motor, and itis ensured that in the power generation process, the exciting power is continuously supplied so that the traction motor can generate power continuously and stably; by monitoring, in real time, speed of the traction motor, voltage and current of two ends of a traction motor armature and output current of the exciting chopper module, the magnitude of exciting current output by the exciting chopper module can be adjusted according to monitored values to ensure that power generated by the traction motor has stable voltage.

The present invention provides for a closed circuit breathing unit comprising a reservoir bag, oxygen source, CO₂ scrubber, and actuation device. The oxygen source and an exit from the scrubber may be fluidly connected to the reservoir bag. The reservoir bag may be attached to a mouthpiece to provide inhalation air. Expired air may be exhaled through the mouthpiece and directed to an inlet for the scrubber. As a user breathes normally, expired air is scrubbed of excess CO₂, mixed with generated oxygen, and delivered to the user for inhalation within a closed circuit. Additionally, the oxygen source and the scrubber may be replaced and/or replenished without compromising or interrupting a breathing cycle.

The invention discloses a process for efficiently purifying shikimic acid by utilizing a continuous ion exchange technology, and the process comprises: carrying out solid-liquid separation to obtain afermentation filtrate, and carrying out pre-purification on the fermentation filtrate by virtue of cation exchange resin to obtain a pre-purified liquid a; and pre-purifying the pre-purified liquid athrough a continuous ion exchange system to obtain a pre-purified liquid b; and finally, carrying out fine purification and spray drying on the pre-purified liquid b to obtain the shikimic acid. Theprocess has the advantages that the process is simple and stable, continuous and automatic production can be realized, the chromatographic purity and the content of the prepared shikimic acid finishedproduct are both higher than 99%, the utilization rate of the resin is greatly improved, the total usage amount of the resin is reduced by about 80%, an eluent is not used in the pre-purification process, wastewater is greatly reduced, the production cost is greatly reduced, the market competitiveness of the product is enhanced, and the process is suitable for large-scale industrial production.

The invention discloses a dynamic gas distribution system for simulating tail gas of a ship. The system comprises a gas source system and a gas distribution system body, wherein the gas source system comprises high-pressure gas cylinders, air compressors, pressure reduction valves, pressure gauges and gas pipelines; the gas distribution system body comprises inlet connectors, inlet ball valves, flowmeters, three-way clamping connectors, one-way valves, a gas mixer, outlet ball valves, outlet connectors, pressure gauges and gas pipelines; the high-pressure gas cylinders and the air compressors are respectively connected with the gas pipelines and are further respectively divided into two branches through the three-way clamping connectors after passing through the pressure reducing valves, the inlet connectors, the inlet ball valves and the flowmeters; one branch is connected with the gas mixer after passing through the one-way valves and is further led out through the outlet ball valves and the outlet connectors; the other branch passes through the one-way valves and is directly led out through the outlet ball valves and the outlet connectors. By adopting the dynamic gas distribution system disclosed by the invention, the tail gas of the ship can be continuously and stably output aiming at the gas distribution characteristics in ship tail gas treatment experiment, and the system is convenient to operate and accurate in proportioning.

A solar heat collector with a film hole structure comprises a heat preservation box with the upper end open, a phase-change material layer is arranged in the heat preservation box, a coiled pipe is arranged in the phase-change material layer, a conical metal foam layer is arranged at the top of the phase-change material layer, the outer wall of the conical metal foam layer is wrapped by a transparent outer layer which can transmit light, and metal foam is added into the phase-change material layer. The content of air in a heat collecting area is greatly increased due to the metal foam structure, an air layer is divided into parts with small volumes, and therefore heat loss caused by convection is prevented. Sunlight can illuminate the conical metal foam layer through the transparent outer layer, the conical metal foam layer has the function of a heat absorber and converts light energy into heat energy, and the transparent outer layer has the function of a heat insulating layer and prevents heat in the heat absorber from being dissipated to the outside. The solar heat collector can effectively absorb solar radiation and fast store the energy and can be widely used for drying, food processing, household heat supplying , cooking and the like.

An electromagnetic water heater without a liner comprises an electromagnetic heater and an electromagnetic thermal conductor, which is characterized in that the electromagnetic thermal conductor comprises a thermal conducting metal piece with a hole on the reverse side and a hollow metal conducting tube with a water inlet and a water outlet which is disposed in the aluminum or copper main body ofthe electromagnetic thermal conductor. The thermal conducting metal piece and the metal conducting tube are die-cast integrally with molten aluminum liquid or cooper liquid by a die casting device. The electromagnetic thermal conductor comprises the thermal conducting metal piece with a hole and a hollow metal conducting tube and the thermal conducting metal piece and the metal conducting tube aredie-cast tightly with molten aluminum liquid or cooper liquid by the die casting device, so the electromagnetic water heater without a liner of the invention and the electromagnetic thermal conductorthereof have the advantages of compact structure, safer use, environmental protection, high heat-conducting efficiency, high seep of water heating, stable supply of hot water, small volume, less weight, convenient use and installation, etc.

The invention belongs to intensive agricultural production techniques and discloses an aspergillus niger NJDL-12 bacterial strain and application thereof to improvement of coastal saline-alkali soil. The bacterial strain NJDL-12 obtained by separation belongs to aspergillus niger and is preserved in the China General Microbiological Culture Collection Center on October 26, 2015, and a preservation number of the strain is CGMCC NO.11544. The aspergillus niger NJDL-12 is capable of secreting a large quantity of oxalic acid which is combined with Ca<2+> in the saline-alkali soil to form calcium oxalate, so that Ca<2+> in the soil can be consolidated to reduce soil salinity, soil aggregate structure can be improved, and soil porosity is improved. After a biological organic fertilizer prepared from the strain NJDL-12 is applied to soil, soil pH and salinity are declined, and soil aggregate structure improvement, saline-alkali soil improvement, crop growth promotion and remarkable application effects are realized.

The invention discloses antagonism actinomycetes for preventing and killing continuous cropping cucumber fusarium wilt and a microorganism organic fertilizer with the antagonism actinomycetes, belonging to intensive agriculture production technology. The antagonism actinomycetes CT205, which has an obvious antagonism effect on pathogenic fungus of cucumber fusarium wilt and is obtained by separation, belongs to streptomyces albospinus, and the culture preservation number of the antagonism actinomycetes is CGMCC (China General Microbiological Culture Collection Center) NO.7434. Antagonistic bacteria liquid is fermented and then is subjected to solid fermentation together with organic materials to prepare the microorganism organic fertilizer. Experiments show that after the microorganism organic fertilizer is applied into soil, the antagonistic bacteria can breed rapidly and form a dominant bacterial community in the soil, and the preventive rate of the antagonism actinomucetes in soil with serious cucumber fusarium wilt can reach more than 80%.

The invention discloses a pet water dispenser of circulating water. The water dispenser comprises a drinking water tray, a circulating water bucket, a drainage pipe and a standby water bucket, water flows to the drinking water tray through the circulating water bucket, overflows the drinking water tray, and flows back to the circulating water bucket to form a circulating water loop; the circulating water loop is provided with a water pump, a water purification device, and the standby water bucket is communicated with an inlet of the water pump through a water replenishing valve. After a pet drinks water in the circulating water bucket, the water replenishing valve is turned on, and water in the standby water bucket flows into the circulating water loop and is taken as a supplementary watersource; the smaller circulating water bucket and the bigger standby water bucket can be selected, the flow of water in the circulating water loop is smaller, and the smaller water pump can be selected so that water cannot be easily contaminated; the standby water bucket can make the circulating water bucket continuously supply water to avoid the phenomenon of flow cutoff; the pet water dispensercan continuously and stably provide clear circulating water in small flow for a long time, and the pet can conveniently drink water.

The invention discloses a test bench and a method for testing visualization performance of a gas-liquid two-phase flow field, and relates to the technical field of visualization testing of a fluid flow field. The test bench comprises an acrylic test tube, a gas-phase branch, a liquid-phase branch, a mixed-phase loop and a PIV test system; an inlet end of the acrylic test tube is connected with theliquid-phase branch, an outlet end is connected with the mixed-phase loop, and the gas-phase branch is connected with the bottom of the side surface of the acrylic test tube; the PIV test system is arranged on the side surface of the acrylic test tube. The visualization of the gas-liquid two-phase flow field can be realized, and the test bench is simple in structure, convenient to operate and high in measuring precision.

The invention aims at providing a high-pressure metal powder supply system based on pressure difference control. The system is suitable for a metal engine and can be used for stably supplying metal powder to a combustion chamber of the metal engine. Air passes a porous board to evenly blow metal powder, meanwhile, the air pressure of a metal powder region and the air pressure of an upper air region are monitored, the air pressure of the upper air region is controlled through a regulating valve on an exhausting pipeline, the pressure different of the upper portion and the lower portion is equal to 0.2 of the atmospheric pressure, and at this moment, the metal powder at the lower portion is blown by air to become gas-solid two-phase flow and is in a stable and even state. The metal powder obtained at this moment is supplied to the combustion chamber so that stable combustion in the combustion chamber can be guaranteed. A pressure sensor is arranged in the combustion chamber to monitor the pressure intensity in the combustion chamber, and it is kept that the pressure intensity in the combustion chamber is smaller than that of the metal powder region all the time. By the adoption of the high-pressure metal powder supply system, the better combustion state can be achieved and the work efficiency of the engine is improved.

The invention provides a production method for a continuous functional composite material. The invention mainly aims to deeply improve and optimize a present production technology and produce two-layer and three-layer functional composite materials with higher applicability and higher bonding property. The product produced according to the method is capable of continuously and stably working at -20 DEG C to 100 DEG C; the product has multiple functions, such as vibration reduction, noise reduction, sound insulation, heat insulation and magnetism resistance; the product is a novel environment-friendly functional composite material and has wide application prospect.

The invention discloses dual-use warm-keeping and cooling equipment for pediatric nursing, and particularly relates to the technical field of pediatric nursing. The dual-use warm-keeping and cooling equipment comprises a base, a device cavity is formed inside the base, an electric push rod is arranged inside the device cavity, a connecting rod is arranged on an end portion of an output shaft of the electric push rod, a connecting groove is formed in a surface of the base, an incubator is arranged at the top of the base, an opening and closing door is arranged on a front sidewall of the incubator, rubber plates are arranged on sidewalls of an inner cavity of the incubator, and a cradle is arranged in the inner cavity of the incubator. The dual-use warm-keeping and cooling equipment has theadvantages that a heat-insulated room is heated through a first semiconductor heating piece and a second semiconductor piece, continuous and stable heat supply can be kept through cooperation of an air heater, long-time heat insulation can be realized, an adopted semiconductor heating manner can be used for heating and cooling at the same time, no extra cooling structure is required, and the dual-use warm-keeping and cooling equipment is constant and controllable in temperature and safe and reliable to use.

The invention relates to a spiral-pulsed type pneumatic hybrid feeder for mobile biomass pyrolysis and belongs to the technical field of biomass pyrolysis. The feeder comprises a spiral feeding device, inclined delivery pipes, solenoid valves and nozzles. The discharge port of the spiral feeding device is connected to an upper horizontal delivery pipe and the inclined delivery pipe through a transition joint and is connected to a lower horizontal delivery pipe and the inclined delivery pipe, gas of a gas bottle is sprayed through the nozzles, the nozzles are capable of adjusting the feeding amount and preventing reverse spraying, the feeding process is controllable and safe, and the reliability of the producing process is improved. The feeding port advanced charring and plugging problems can be solved, the process requirements of fast biomass pyrolysis can be met, the pyrolysis equipment producing and maintaining time can be shortened, the pyrolysis oil producing efficiency is improved, the maintaining cost is reduced effectively, and the technology guaranteeing effect can be achieved for large-scale pyrolysis production development.

The invention discloses a preparation method of a high-suspension pesticide adhesive. The preparation method comprises the following steps of (1) adding cetyl trimithyl ammonium bromide powder to ultra pure water, performing stirring until the cetyl trimithyl ammonium bromide powder dissolves, and then regulating PH to 8-10; (2) adding tetraethyl orthosilicate to a solution obtained in the step (1), performing sufficient stirring, and then performing a reaction so as to obtain a silicon dioxide and cetyl ammonium bromide mixed solution; (3) adding polyvinyl alcohol to the solution obtained inthe step (2), and performing stirring until the polyvinyl alcohol dissolves; and (4) performing calcination on a solution obtained in the step (3) at 520-560 DEG C so that the size of silicon dioxidegranules reaches the nanometer level, a porous structure is formed, and the high-suspension pesticide adhesive is obtained. The invention further discloses the high-suspension pesticide adhesive and ause method thereof. The preparation method disclosed by the invention has the advantages that the pesticide adhesive can effectively improve the adhesion force of medicaments on plant leaf surfaces,improve application effects, reduce medication quantity and reduce pollution to environment.

The invention provides a product life cycle analysis method and system based on big data, and a storage medium. The method comprises the following steps: S1, a data acquisition step: acquiring data information of each product; S2, a data processing step which comprises data cleaning, data classification and label addition; S3, a model analysis step: establishing an index system, constructing a model and analyzing the model; wherein the model adopts an extended Bass-e model. A big data thinking mode is introduced into traditional market research, product life cycle analysis is researched for abig data visual field, and by comprehensively and accurately collecting product data information, data mining and processing are enhanced, and real market requirements are analyzed and predicted. A company can accurately grasp the product period and carry out research and development layout in advance, so that rapid and accurate investment is realized when market requirements exist, continuous andstable supply is ensured, and production cost is greatly reduced.