52results about How to "Guarantee adequacy" patented technology

The invention relates to a combustor and a gas stove, relates to the technical field of stoves, and is designed for solving the problems that an existing combustor is not full in combustion and low in thermal efficiency, and a pot frame is high. The combustor comprises an inner ring oxygen supplementing channel, wherein the inner ring oxygen supplementing channel is formed in an inner ring gas outlet; and the lower end of the inner ring oxygen supplementing channel communicates with an external environment. When the combustor works, the air in the external environment enters the inner ring oxygen supplementing channel, and flows into a region surrounded by a pot bottom and inner ring flame via an inner ring fire cover. The combustor is provided with at least one outer ring ejection tube and a plurality of outer ring gas outlets. The gas stove comprises a stove panel, a pot frame and the combustor. The combustor and the gas stove are used for heating a pot efficiently.

The invention relates to a system for analyzing reliability of flight guidance control software based on a formalized rule. The system comprises a flight guidance control software requirement modelingmodule, a flight guidance control software reliability analyzing rule management module, a flight guidance control software reliability analyzing rule formalized description module and a flight guidance control software reliability automatic analysis module based on the formalized rule. According to the system, automatic traversing failure model effectiveness analysis is performed for a requirement model, potential logic branches which are not defined or considered in the requirement are sufficiently recognized, and existing potential safety hazards are analyzed. The efficiency and quality inthe work of software reliability analysis are improved, the requirement quality and completeness are ensured, the level of the software reliability is guaranteed, and the development requirements ofa flight guidance control system are met.

The invention provides a machining process of a double-metal band saw. A saw back material and a saw tooth material are welded by laser; then, the bright annealing treatment is performed; a two-roller rolling mill is used for welding line leveling, straightening, repeated extrusion and fixed-length material preparation to obtain a coiled band; then, the tooth milling, the tooth material cleaning, the tooth separation, the quenching treatment and the subzero treatment are performed; and the rolling straightening, the sand blasting, the code spraying and the root band butt welding are performed after secondary tempering treatment to obtain the double-metal band saw. Compared with the prior art, the machining process uses carbon, silicon, manganese, chromium, tungsten, molybdenum, vanadium, nickel, cobalt, niobium, sulfur and iron as components of the saw tooth material, and improves the hardness and the toughness of the double-metal band saw through adjusting the contents of all the components. Secondly, the machining process adopts such modes as quenching treatment and subzero treatment to guarantee the tempering sufficient degree, and improves the characteristics of high hardness, high toughness and tidy incision of the double-metal band saw.

The invention discloses a preparation method of higher fatty acid alkaline earth metal salt, which comprises the following steps: pre-mixing and dispersing fused higher fatty acid and micro-powdery alkaline earth metal oxide or hydrate, continuously feeding into a high-speed mixer capable of controlling the pre-mixing time together with a water solution containing a catalyst and a moistening agent, continuously outputting to a heat-insulation tank, keeping for a certain period of time at the proper temperature, and pulverizing to obtain a powdery higher fatty acid alkaline earth metal salt product. The preparation method has the advantages of simple process, simple equipment, mild reaction conditions, energy saving, and higher purity of the product.

The invention relates to a regulation and control method for a preparation process for a bio-oil starch adhesive for wood, and belongs to the technical field of adhesives. The regulation and control method comprises the following steps: adding ammonium persulphate in an emulsion obtained by mixing starch and hydrochloric acid to obtain an acid-hydrolyzed and oxidized starch emulsion; adding polyvinyl alcohol, adjusting the pH value by sodium hydroxide solution, adding grafting monomer acrylamide, and then adding ammonium persulphate to obtain a composite modified starch emulsion; adding bio-oil to obtain an initial bio-oil starch adhesive; and repeatedly adjusting the pH value by the sodium hydroxide solution and the bio-oil to obtain the bio-oil starch adhesive. The method is simple and convenient, accurate, moderate in reaction, simple in parameters, high in process stability, capable of reducing the gel problems and reaction insufficiency phenomena of the starch adhesive, guaranteeing a reaction sufficiency degree and improving the performances of the bio-oil starch adhesive, and suitable for industrial mass production; the prepared adhesive is excellent in performance, and capable of meeting the application requirements thereof in the field of wood.

The invention discloses a method for preparing n-type CaMnO3-group thermoelectric ceramic. The raw materials of the thermoelectric ceramic comprise graphite and CaMnO3, and the preparation method includes the steps of (1) mixing partial graphite with CaMnO3, and carrying out presintering to obtain sintering materials; (2) breaking the sintered material obtained by the step (1) to add with residual graphite, mixing uniformly, grinding and sieving to obtain micro powder; (3) molding and sintering the micro powder obtained by the step (2) to obtain the prepared n-type CaMnO3-group thermoelectric ceramic. The thermoelectric ceramic has good thermoelectric properties, and the preparation method has the advantages of simple technological operation, low requirements of equipment conditions, environmental-friendly processes and low cost; moreover, the obtained materials have the characteristics of big thermo electromotive force, low resistivity at high temperature and a big power factor.

The invention aims to provide a marine exhaust gas SOx removal device for a rotary spraying refluxing bubble tower. The marine exhaust gas SOx removal device comprises a washing tower, a NaOH solution storage cabin, a waste liquid buffer tank and waste liquid centrifugal treatment equipment; the washing tower comprises a washing tower outer layer cylinder; a washing tower inner layer cylinder and a spiral rising washing pipeline are arranged in the washing tower outer layer cylinder; an exhaust gas inlet, an exhaust gas outlet and a washing liquid outlet are respectively formed in the outer wall of the washing tower outer layer cylinder; the exhaust gas inlet is connected with a marine diesel engine exhaust pipe; the exhaust gas outlet is communicated with the atmosphere; the washing liquid outlet is communicated with the waste liquid buffer tank; the waste liquid buffer tank is connected with the waste liquid centrifugal treatment equipment; the waste liquid centrifugal treatment equipment is connected with each of an oil contamination storage cabin and a heavy residue storage cabin. According to the marine exhaust gas SOx removal device, SO2 in exhaust gas is subjected to washing treatment by adopting two technologies, namely a novel rotary spraying washing technology and a novel pneumatic stirring bubbling washing technology; the contact path between the washing liquid and the exhaust gas is increased; the acting time is prolonged; the acting area is increased, so that the exhaust gas is treated sufficiently.

The invention relates to a direct-current parallel type wind farm active power coordinated control method. A wind farm includes direct-current wind turbine generator sets provided with energy storage systems. The method includes the following steps that: an active power dispatch instruction of a power grid is determined, and the running states of the wind turbine generator sets in the direct-current wind farm are acquired, and the usable maximum active power of the wind turbine generator sets is determined; the running states of the energy storage systems are determined, and the running state of the direct-current wind farm is determined; whether the energy storage systems satisfy the requirements of the active power dispatch instruction of the power grid is analyzed, and therefore, the active power control instructions of the direct-current wind turbine generator sets can be determined. With the direct-current parallel type wind farm active power coordinated control method adopted, power generated by the wind turbine generator sets can change with specified power instructions accursedly, and power generated by the wind farm can satisfy the requirements of the dispatch of the power grid. According to the direct-current parallel type wind farm active power coordinated control method provided by the technical scheme of the invention, the requirements of the power grid, the running states of the wind turbine generator sets and the working states of the energy storage systems are comprehensively considered; power instructions are transmitted to the direct-current wind turbine generator sets; the output power of the generators and the energy storage systems are adjusted, so that the active power outputted by the wind farm can satisfy the requirements of the power grid in a certain range.

The invention discloses a control method and device of a tobacco pneumatic drying air-heating furnace. A CO detector (5) and an O2 detector (6) are installed on a flue gas discharging pipe (7) of the pneumatic drying air-heating furnace (4), an air distribution air door (1) is installed on an air distribution pipeline (8), and a control system is electrically connected with the CO detector (5), the O2 detector (6) and the air distribution air door (1) to establish interlocking control relation. The CO content and the O2 content in flue gas after combustion are adjusted by changing the opening degree of the air distribution air door by means of the control method. By means of the control method and device, combustion control of the tobacco pneumatic drying air-heating furnace can be achieved, accordingly emission of the combustion flue gas is effectively controlled, and energy consumption of the air-heating furnace is reduced. The device is simple in structure and reliable in operation.

The invention discloses an electromagnetic information leakage intelligent analysis method based on a knowledge graph. The method specifically comprises the following steps: S1, constructing an electromagnetic information security knowledge graph; s2, extracting electromagnetic information safety knowledge based on the electromagnetic information safety knowledge expression; s3, based on the electromagnetic information security data of the multiple data sources, fusing electromagnetic information security knowledge; s4, based on the electromagnetic information security knowledge graph, performing knowledge reasoning on the electromagnetic information security data; and S5, on the basis of knowledge reasoning, evolution optimization is automatically carried out on analysis and processing of electromagnetic information security. According to the method, various types of data can be supported, and the sufficient degree of the constructed knowledge graph data is ensured; the multi-layer parallel knowledge reasoning framework provided by the invention can obtain a result with relatively high interpretability and reliability; based on deep learning and re-learning methods, the knowledge graph is continuously and intelligently optimized so as to adapt to update development of electromagnetic information leakage in the future.

The invention discloses a multi-functional multi-arm coordinated operation control system for an emergency rescue vehicle. A first rotary platform is installed on the main body of the vehicle, whereina first working arm is installed on the first rotary platform; a second rotary platform is installed on the first rotary platform, and a second working arm is installed on the second rotary platform;a first arm boom lifting cylinder regulating valve, a first arm telescopic boom lifting cylinder regulating valve, a first arm telescopic boom telescopic cylinder regulating valve, a first arm lifting hook adjustment cylinder regulating valve, a second arm second boom luffing cylinder regulating valve, a second arm telescopic boom luffing cylinder regulating valve, a second arm telescopic boom telescopic cylinder regulating valve, a motor control valve of the first rotary platform, a motor control valve of the second rotary platform, an angle sensor of the first rotary platform and an angle sensor of the second rotary platform are all connected with the multi-arm coordinated operation controller by signals. In this way, multiple arms of the multi-functional emergency rescue vehicle can lift long bar-shaped heavy objects efficiently, harmoniously, stably and safely.

The invention provides a process for manufacturing a bimetal strip band saw blade, and belongs to the technical field of band saw blade manufacturing. The process solves the problems that band saw blades manufactured through an existing band saw blade manufacturing process are low in fatigue strength and short in service life. The process for manufacturing the bimetal strip band saw blade includes the first step of selecting materials, wherein the M42 high-speed steel serves as the materials of saw teeth, and Rm80 steel serves as the materials of a saw back; the second step of welding, wherein the materials of the saw teeth and the materials of the saw back are welded together according to the size of the bimetal strip band saw blade so that a first-level semi-finished product can be obtained; the third step of primary machining, wherein the first-level semi-finished product is straightened, the edge of the materials of the saw teeth of the first-level semi-finished product is milled to form the saw teeth according to the designed tooth shape so that a second-level semi-finished product can be obtained; the fourth step of conducting heat treatment, wherein heat treatment is conducted on the obtained second-level semi-finished product so that a third-level semi-finished product can be obtained; the fifth step of conducing surface finishing, wherein rolling is conducted on the third-level semi-finished product. The machined band saw blade has the advantages of being high in fatigue strength and long in service life.

The invention relates to a horizontal oil fuel electric heater comprising a heating cavity which is tubular and is horizontally arranged, the heating cavity is internally provided with an electrical heating pipe which is arranged in the length direction of the heating cavity, and an oil inlet is arranged near the lower end of the heating cavity. An oil outlet is formed in the heating cavity, and a liquid level detecting unit, near the oil outlet, is also arranged on the heating cavity. The liquid level detecting unit is used for detecting liquid level signals in the heating cavity, and transferring the liquid level signals to a controlling unit. The controlling unit is used for controlling the power-on and power-off of the electrical heating pipe, liquid oil enters from a lower position and comes out from a higher position and is guided by the electrical heating pipe in the heating cavity, and outflows from the oil outlet of the heating cavity after the liquid oil is heated up, so that the heating speed and homogeneous degree of the oil fuel can be improved. The liquid level detecting unit is arranged on the heating cavity, so that the height of the liquid level in the heating cavity can be detected. When the height of the liquid level is too low, the electrical heating pipe is powered-off by the control of the controlling unit and a dry combustion phenomenon of the heater is avoided.

The invention discloses a well water source lifting pump intelligent monitoring system. The well water source lifting pump intelligent monitoring system is characterized in that the system comprises an incoming line power switch, a current transformer, a compensation capacitor module, a control box, a fuse module, a three-phase smart meter, a collector, a remote controller, a water level sensor and a terminal; remote start and stop of a water source pump are achieved, fault alarm is achieved, the efficiency of starting and stopping the pump is ensured, the timeliness, accuracy and sufficiencyof fault finding are achieved, scientific and reasonable guarantees of water supply safety are achieved, reasonable and effective water supply control is achieved, pump starting is carried out immediately in a control center, a lot of manpower and material resources are saved, and a person does not need to rush to the scene.

The invention discloses a multi-energy short-term optimization scheduling method. The method comprises the following steps of 1, firstly, establishing a multi-source coordination short-term optimization scheduling model by taking minimum system operation energy consumption as a target and considering system operation constraint conditions in a scheduling period, and meanwhile, evaluating a unit combination condition and judging whether a system capacity is redundant or not; and 2, if the system capacity is redundant, adding a maximum starting unit number constraint of thermal power generating units, and performing simulation calculation on four aspects of a unit combination scheme, an energy power generation power condition, system energy loss and a thermal power generating unit output standard deviation. The method has the beneficial effects that in the multi-source coordination scheduling system, the randomness that the peak regulation constraint of the continuous scheduling period can adapt to new energy output is considered, and the peak regulation adequacy of the system is ensured; and according to the method, the maximum starting unit number constraint is introduced into the optimization scheduling model, frequent conversion of the unit operation state can be reduced, and redundancy of the starting capacity is avoided.

The invention discloses a special long-acting organic compound fertilizer for angelica sinensis, and a preparation method thereof, and belongs to the technical field of fertilizers, wherein the special long-acting organic compound fertilizer is prepared from the following raw materials by weight: 20-30 parts of chicken manure, 25-34 parts of corn straw, 30-40 parts of edible fungus residue, 5-8 parts of potassium humate, 1-5 parts of a high water absorption resin, 1-2 parts of a BM bacterial agent-fermenting agent, 1-3 parts of zeolite, 0.3-0.4 part of a urease inhibitor, 2-5 parts of oxalic acid, 1-5 parts of attapulgite powder, 12-17 parts of Banlong and 5-10 parts of chitin. According to the invention, the special long-acting organic compound fertilizer can effectively provide nutrientsrequired by the growth of angelica sinensis so as to improve the fertility of saline-alkali soil and effectively inhibit viruses and insect pests.

The invention discloses an industrial wastewater circulating fluid bed automatic treatment device which comprises a wastewater Fenton oxidation reaction tank body, wherein the inside of the tank body is sequentially divided into a circulating water distribution region, a FeOOH crystallization region and a gas-water separation region from bottom to top. The device is characterized in that the tank body is a four-layer structure, the tank body is respectively provided with an internal anticorrosive layer, a thermal insulation layer, a heating layer and an external anticorrosive layer from inside to outside; a heater is arranged in the heating layer around the tank body; the tank body can be heated and insulated to ensure the oxidation reaction in the tank body to be performed at proper temperature; and a pH value automatic control system can automatically detect the pH value of the mixed solution in the circulating water distribution region and control the on-off state and dosing amount of a sulfuric acid dosing pump, thereby ensuring the oxidation reaction in the tank body to be always performed under proper pH value condition, and further ensuring the sufficient degree of the oxidation reaction.

The invention provides an economic repair level analysis method and system for a ship maintenance system. The method comprises the steps: integrating non-economic factors, such as maintenance policy limitation, technical limitation, commercial competition and the like, in a ship operation maintenance system file, and determining an economic repair level analysis assembly set; developing a repair flow model suitable for ship fault parts, and defining a feasible maintenance path; collecting cost data required for implementing a maintenance program as input of economic repair level analysis; establishing an economical repair level analysis model, and obtaining a feasible maintenance scheme meeting actual engineering maintenance constraints; and developing a solving algorithm of the economic repair level analysis model, and deciding a repair scheme of the component under the economic constraint. According to the economical repair and analysis method and system provided by the invention, the planning efficiency and cost controllability of a complex ship maintenance system can be greatly improved, and the requirement of a shipping enterprise on precise planning of a ship maintenance scheme is met.

The invention discloses a method for low-pressure demetallization and dechlorination of coal tar and is mainly used for solving the problems that the metal content in whole fraction of the coal tar in the prior art is very high, the operation period of a main hydrogenation device is strictly restricted, the chlorine content is relatively high, the device can be corroded in the processing process, and the sustained development of hydrogen processing is further seriously hindered. The method for low-pressure demetallization and dechlorination of the coal tar comprises the following steps of loading a protection catalyst in a fixed bed hydrogenation reactor; introducing hydrogen from the bottom of the fixed bed hydrogenation reactor, and introducing the coal tar from the top of the fixed bed hydrogenation reactor; arranging a sixth pipeline at the top of the fixed bed hydrogenation reactor, and injecting a hydrogen chloride absorption solvent into the sixth pipeline. Through the scheme, the purposes of effectively ensuring the long-period operation of the main hydrogenation device and the sustained development of hydrogen processing are achieved, and the method further has very high practical application and popularization values.

The invention discloses a catalyst adding device for reducing automobile pollutant emission, and relates to the technical field of automobiles. The catalyst adding device for reducing automobile pollutant emission comprises a tail gas pipe, a transmission shaft is slidably connected to the left end of the tail gas pipe, an inner filter screen is fixedly connected to the right end of the transmission shaft, the surface of the inner filter screen is slidably connected into the tail gas pipe, a blocking filter screen is fixedly connected into the tail gas pipe, and the blocking filter screen is located on the right side of the inner filter screen. According to the catalyst adding device for reducing the automobile pollutant emission, through the barrel-shaped connecting pipe, it is guaranteed that when passing through the barrel-shaped connecting pipe, a catalyst does not make contact with and react with catalyzed tail gas in the outer filter screen again, waste of the catalyst caused by the fact that the catalyst makes contact with and reacts with the catalyzed tail gas again in the using process is avoided, the high efficiency of catalyst application is improved, and the tail gas pipe can be conveniently disassembled to regularly clean the internal structure of the tail gas pipe.

The invention discloses an efficient energy-saving environment-friendly calcium carbide furnace. The furnace comprises a machine base, a material preparation box body and a furnace body are arranged at the upper end of the machine base, the inner cavity of the material preparation box body is divided into a first grinding cavity, a second grinding cavity and a material mixing drying cavity throughpartition layers, a first driving shaft, a first driven shaft, a first grinding roller sleeve are arranged in the first grinding cavity, a second driving shaft, a second driven shaft, a second grinding roller sleeve are arranged in the second grinding cavity, inclined mesh screens are arranged at the lower end of an inner cavity of the first grinding cavity and the lower end of an inner cavity ofthe second grinding cavity correspondingly, inclined material guiding plates are arranged at the bottom end of the inner cavity of the first grinding cavity and the bottom end of the inner cavity ofthe second grinding cavity correspondingly, a first motor is arranged on the outside end wall of the first grinding cavity, a stirring shaft is arranged on the middle side of the inner cavity of the material mixing drying cavity, a stirring rod is arranged outside the stirring shaft, and a second motor is arranged on the outside end wall of the material mixing drying cavity; and the furnace body comprises an outer shell and an inner shell, wherein the inner shell is arranged in the outer shell, and a machining assembly is arranged at the top of the outer shell.

The invention provides an air high-temperature treatment device. The air high-temperature treatment device comprises a main body, an air inlet pipeline, a plurality of air guide pipes, an air outlet pipeline, an air extraction device and a temperature control assembly; a cavity is formed in the main body; the multiple air guide pipes are vertically arranged in the cavity at intervals, and the lower end of each air guide pipe penetrates through a bottom plate of the main body to communicate with the outside of the main body; the upper ends of the air guide pipes extend to the top of the cavity; the air inlet pipeline communicate with the interior of the cavity at the bottom of the cavity; the air extraction device and the air outlet pipeline are arranged below the main body; the air extraction device communicates with the lower ends of the air guide pipes; the air outlet pipeline communicates with the air extraction device; the temperature control assembly is arranged in the cavity; and all the air guide pipes penetrate through the temperature control assembly. According to the air high-temperature treatment device, air is sterilized through high temperature, no harmful substance is left, no harm is caused to human bodies, people do not need to leave in the using process, and using is very convenient.

The present invention discloses production equipment for biological alkaline vermicelli , and relates to a stirring device. The production equipment comprises a device support, a stirring box and a stirring mechanism, the stirring mechanism comprises a stirring blade located in the stirring box, the device support is connected with a swing rod in a relative swing manner, and the stirring box is rotatably connected with the swing rod. The production equipment further comprises at least one limiting assembly for limiting relative rotation of the stirring box and the swing rod. The limiting assembly is an electromagnet, when a second cam rotates, the second electromagnet is intermittently electrified, the bottom of the swing rod is fixedly connected with a contact switch, and when the second cam makes contact with the contact switch, the second cam and the contact switch are magnetically attracted so that the stirring box and the swing rod can be relatively fixed. The production equipment has the beneficial effects that the stirring device is simple in structure and convenient to use, raw materials are mixed and stirred through motor driving during use, meanwhile, the stirring box has two swing states, the motion state is changed along with the stirring process, the mixing sufficiency of the materials in the stirring box is guaranteed to the maximum extent, the use experience is good, and the stirring efficiency is high.

The invention provides an organic matter gasification pyrolyzation catalysis heat storage burning method and device and belongs to the technical field of environment protection. Organic fuels enter a perforating type gasification pyrolyzation section through a feeding inlet, and generated gasification pyrolyzation gas enters a catalysis heat storage burning section; cross heat storage carriers are installed in the catalysis heat storage burning section, and the surfaces of the cross heat storage carriers are provided with catalysts, so that the gasification pyrolyzation gas can mix with air, is subjected to hypoxia superinsulated burning in a short time simultaneously, and is burned completely in a free reaction section; the high temperature smoke generated from burning enters a heat transfer section, the heat transfer section is divided into a plurality of districts to ensure sufficient heat transferring; the smoke enters a ceramic purification section to be purified after heat transferring; and ashes generated in the gasification pyrolyzation process are transported to a sealed dry-type ash discharging section through a vertical spiral ash removing and air supplying integrated device. The organic matter gasification pyrolyzation catalysis heat storage burning device can be used as various reactors such as hot water boilers, steam boilers and hot blast heaters and has the advantages that the application range of organic matters is wide; burning reaction time is short; heat transferring is complete; the volume of the entire device is small; and tail gas does not need to be deacidified or subjected to oxynitride removing.

The invention discloses a reaction kettle for carbon aerogel production, relates to the technical field of carbon aerogel production, and aims to solve the problems that in the prior art, the reaction kettle is relatively closed during working, and the reaction condition cannot be observed. According to the technical scheme, the system comprises an image acquisition unit which is located on the top wall of a reaction kettle and acquires an acquired image in a tank body in real time; an image analysis unit which is used for learning and analyzing the acquired image through a neural network and outputting an abnormal result and an abnormal position when an abnormality exists; a display unit which is in communication connection with the image acquisition unit and the image analysis unit and is used for acquiring and displaying the acquired image, the abnormal result and the abnormal position; a controller which controls the stirring device to process the abnormal position corresponding to the abnormal result according to the abnormal result. An image in the reaction kettle can be shot and returned to the display unit, and therefore a worker can conveniently observe the reaction state.

The invention discloses a rapid pathogenic microorganism detection method. The method comprises the following steps: untwisting an aptamer into a single chain, preparing a magnetic bead-aptamer-targetmicroorganism, preparing a magnetic bead-aptamer target-microorganism-coated Ag, drawing a standard working curve, and detecting a to-be-detected sample. A rapid and efficient magnetic capture and separation technology is combined with an Ag nanoparticle in-situ enhanced pathogenic microorganism intrinsic Raman signal synthesized by aptamer mediation, and rapid detection of pathogenic microorganisms is realized by virtue of a portable Raman spectrometer. The construction process and the detection process of the sensor do not need large instruments, the operation is simple, the whole process can be completed within 1 hour, the sensitivity is high, and the selectivity is good.