77results about How to "Promote technology upgrade" patented technology

The invention relates to a filler wire static shaft shoulder friction stir welding and additive manufacturing device and method. The filler wire static shaft shoulder friction stir welding and additive manufacturing device comprises a stirring head, the periphery of the stirring head is sleeved with a static shaft shoulder, the stirring head and the static shaft shoulder are configured to synchronously move along a machining track, and the stirring head can rotate around the axis of the stirring head. A threaded groove is formed in the peripheral face of the machining end of the stirring head, the static shaft shoulder is provided with a wire feeding hole, and the wire feeding hole is used for feeding wires to the space between the part, provided with the threaded groove, of the stirring head and the hole face of a through hole formed in the static shaft shoulder. When the device is used for additive manufacturing, the interface bonding defects are avoided, and the bonding strength is guaranteed. And the mechanical property of additive manufacturing parts is greatly improved.

The invention relates to a fresh-keeping method and a fresh-keeping storehouse of a biological freezing point for fruits belonging to an agricultural products processing field. The fresh-keeping method of the biological freezing point for the fruits includes the steps: spraying calcium salt in the process of cultivating, sleeving a transparent bag or spreading a reflecting film to improve hardness and sugar degree of the fruits; carrying out rapid cooling before putting in the fresh-keeping storehouse in a pre-cooling room; after putting in the fresh-keeping storehouse, processing with a preservative; then regulating the temperature to a critical point of the freezing point with humidity of over 90%; adopting stage heating after leaving the fresh-keeping storehouse. Preservation period of late maturing peach is prolonged to 3 months; the fruits processed by the steps are fresh as before and the phenomenon such as browning, softening and rotting do not exist. The cost of the supporting fresh-keeping storehouse constructed based on the invention is about 1.2 times of that of a low temperature cold storage and 1/2-2/3 times of that of an air conditioned storehouse with the same volume; fresh-keeping effect is remarkably superior to the low temperature cold storage and the air conditioned storehouse; the invention can promote the creativity and development of relevant industries such as a transport case and a transport vehicle of the biological freezing point as well as the relevant culture of the biological freezing point; the invention is a technology with a wide prospect and favorable economic benefits.

The invention discloses a method for continuously monitoring the leakage of a large buried pressure water pipe. The method comprises the steps that (1), continuously-monitored signal collection equipment is arranged inside the large buried pressure water pipe, and signal measurement and analysis equipment is arranged outside the pipe; (2), basic signal data of vibration, strain, sound waves and pressure changes when the monitored pressure water pipe operates under the normal working condition are measured, the leakage process of the monitored pressure water pipe is simulated, and characteristic signal data of vibration, strain, squeal and water pressure changes in the leakage process are measured; (3), the monitored data are analyzed, a model for reflecting the working state of the monitored pipe is built, the degree of hazard level and an early warning threshold are determined, and an analysis judgment module and a dangerous case issuing module are developed; (4), the monitored pressure water pipe is monitored continuously, and when the hazard level reaches the early warning threshold, an early warning is given.

The invention discloses an intelligent control system of liquor production. The intelligent control system comprises a control device, a robot steamer-filling system, a PLC, various pumps, valves, motors, various sensor and various instruments. The invention also discloses an intelligent control method of liquor production by adopting the intelligent control system of liquor production. The method comprises the steps of ingredient weighing, automatic steamer-filling, distilling and wine taking, spreading for cooling, and distiller's yeast adding. The system and the method solve the problem of need of automatic real-time onsite monitoring in the liquor brewing process, are in favor of realizing the technology upgrading of the manufacturing industry of liquor devices, realize standardization, automation and intelligentialization of the liquor solid brewing industry, and are of great significance to establish a novel liquor brewing fermentation device system, enhance the science and technology content and the competition advantage of liquor enterprises, improve the technology level and the management level of manufacturing enterprises and reduce the production, mass and management cost.

The traditional waste water treating process with added denitriding and dephosphorizing functions includes: throwing chemical dephosphorizing agent in the last section of settling pit, water outlet of the primary settling tank, or the aerobic section and outlet of the aerobic pond, and refluxing 30-60 % of active sludge and partial residual sludge to the primary settling tank to make traditional waste water treating process possess dephosphorizing function; connecting serially aerobic zeolite biofitering pond to the last section of the second settling pond to eliminate ammonia nitrogen with zeolite and chemical and biological synergistic regeneration to maintain the stable adsorption capacity of zeolite. The present invention is suitable for upgrading waste water treating yard, and has low cost.

The invention relates to a hydrolysis method of dioscin. A solid acid catalyst is added to the reaction solution containing the dioscin according to the proportion of 0.1g to 100g/100ml of extract and then the reaction solution is placed in water bath of 50 DEG C to 90 DEG C for reaction for 2h to 16h; after the hydrolysis, the reactant obtained is cooled to the room temperature and filtered in vacuum and the filter residue is dried at the temperature of 20 DEG C to 80 DEG C; the filter residue is extracted in organic solution for 4h to 12h continuously, the extract is separated and the organic solution thereof is recycled; finally the dioscin solid is obtained. The solid acid catalyst system adopted by the invention is a multiphase reaction; hydrogen ions are restrained on the surface of the catalyst rather than going into the body of the reaction solution, therefore, the acidification of the reaction solution is avoided and the loss of the hydrogen ions is rather small. The experimental result shows that the pH value of the solution phase after hydrolysis is 4 to 5 and the concentration of the hydrogen ions in the solution is 10,000 times lower than that of the solution which is hydrolyzed by hydrochloric acid, thus greatly reducing the pollution to the environment. The hydrolysis method has simple technology, moderate hydrolysis conditions and high hydrolysis conversion rate of the dioscin which is as high as 98 percent, thus fundamentally solving the problems of serious environmental pollution and equipment corrosion occurring in the inorganic acid catalysis hydrolysis process.

The method includes the following steps: 1. establishing 3D parameter model library of sedan chassis assembly via extracting the overall parameters of the parts, controlling the simplified model and variable and parameter design to realize the fast layout of sedan parts and the dynamic amending of basic structure sizes through amending corresponding parameters during assembling chassis; 2. determining the tree structure for sedan chassis assembling; and 3. determining the sedan chassis assembly assembling mode via organizing the overall chassis structure in from-top-to-bottom design mode and assembling parts in coordination point mode. The present invention can support and guide design well and raise the overall quality of sedan chassis product.

The invention relates to a sensorless speed regulation controller based on an observation method and a sensorless speed regulation control method for a piezoelectric vibration feeder, belonging to the technical field of electromechanical system measurement and control. The sensorless speed regulation control method is characterized in that a frequency domain dynamic model among feeding speed, material weight, piezoelectric vibrator charge amplitude sampling voltage and piezoelectric vibrator driving voltage amplitude is simplified into a static model in a resonance frequency band, and a speed regulation control algorithm which is used for regulating a driving voltage according to the change of the charge amplitude of a piezoelectric vibrator is provided; the provided sensorless controller comprises a rectification filtering voltage stabilizing circuit, an inverter circuit, a driving voltage filter circuit, a sampling resistor, a piezoelectric vibrator charge extracting circuit, a processor, a display panel and a keyboard, wherein the piezoelectric vibrator charge extracting circuit comprises a linear photoelectrical coupling circuit, a low pass filter, an integral circuit and a peak holding circuit. The controller and the method have the advantages and the beneficial effects that a piezoelectric vibrator is used as a vibration exciter and a sensor, the speed regulation control can be conducted without adding an additional amplitude sensor, and when the sensorless speed regulation controller is applied to the existing piezoelectric vibration feeder, the body structure does not need to be changed.

The invention relates to a production process for extraction of diosgenin via steam explosion. The high-purity diosgenin is prepared via preparation of pulp with a dioscoreaceae plant turmeric, preparation of a solid substance via flocculation and sedimentation, hydrolysis by adopting the steam explosion technology, extraction of hydrolysis products with organic solvents and then recrystallization. The process needs no large amount of acid, the wastewater discharge can be reduced, the environmental protection can be facilitated, the energy consumption and production cost can be reduced, and the process is suitable for industrial production.

The invention provides a method for improving the quality of Ganmaoling granule intermediates. The method comprises the following steps: characterizing a degradation rule of linarin by adopting a reaction kinetic model, acquiring a quantitative relationship among the temperature, time and linarin content changes, proposing a principle of taking the linarin retention rate as a quality control index, and setting material retaining time according to the concentration temperature to ensure the transfer rate of an index component namely linarin of the Ganmaoling granule intermediates. The method provided by the invention is reasonable to design, reveals that linarin degradation reaction can meet the characteristics of first-order reaction in a concentration process, is clear in control index, and has practical operability; a technical method for effectively controlling quality indexes of the Ganmaoling granule intermediates can be provided for industrial production, and the technology upgrading of large varieties of traditional Chinese medicines can be benefited; and a technological idea based on process validity period control can be proposed, and the target of improving the quality of the Ganmaoling granule intermediates can be achieved.

The invention discloses a laser animation display method. The display system comprises a laser source, a diffractive optical element and a mechanical driving device. The display method comprises the following steps: S1, first a laser beam whose propagation direction is parallel to a horizontal plane is emitted from the laser source, and the laser beam is incident on a pattern of a first microstructure on the diffractive optical element; S2, the diffractive optical element is driven to be translate by a mechanical driving device so that a laser beam is irradiated on a pattern of a second microstructure of the diffractive optical element, and the patterns on other microstructures on the diffractive optical element are irradiate by the laser beam in turn according to the method; and S3, Continuously moving in cycles to create an animation effect on the terminal screen. The invention realizes the organic combination of the diffractive optical element and the driving device, and realizes the laser animation display on the premise that the motion control unit is not additionally added and the system volume and the cost are hardly increased. The method is low in cost, and easy to popularize.

The invention provides a farmland planting monitoring management system which comprises an intelligent sensing platform, a wireless transmission platform, a management platform, an application platform and a farmland control platform. The intelligent sensing platform comprises a soil water level collector, a soil temperature sensor and an intelligent weather station. The management platform comprises a soil moisture status/drought forecasting system, an irrigation automatic control system and a water resource management system. The application platform comprises a mobile terminal and a computer. Data collected by the intelligent sensing platform are uploaded to the management platform through the wireless transmission platform. The management platform performs data processing and information publishing and drives the farmland control platform. The application platform is used for accessing the management platform. According to the farmland planting monitoring management system, monitoring points having functions of automatically collecting and transmitting information such as soil water content, underground water level and rainfall are established, the wireless transmission platform performs data transmission, and the trouble of wiring is omitted. The management platform publishes information at regular intervals, and scientific management is achieved.

The invention discloses a large-size salt horizontal connected well group solution cavity building simulation experiment method and relates to the technical field of cavity form extension law and control for regional cavity building on thin salt beds and downhole disaster prevention and control. According to the method disclosed by the invention, by virtue of visual simulation of different water injection flows, different stages, oil pad existence or not, injection recovery direction and other conditions in practical engineering and solution cavity form development laws, the cavity form controlled optimum production parameters and processes in the rock salt horizontal connected well group solution cavity building process can be obtained, the downhole disaster prevention and control mechanism and technological means are obtained, and site production is guided.

The invention provides a filter pressing system in a manganese sulfate production process. The filter pressing system comprises a pressure tank, a pressurizing device, a moisture measuring module and a control system; the pressure tank forms a sealed working space, and an air compressor is adopted to form a high-pressure space; the pressurizing device comprises a spiral compression rod, a plurality of filter pressing plates and a driving device; the spiral compression rod is driven by power of the driving device to rotate, so that a compression stroke is started, and the filter pressing plates are compressed; the filter pressing plate is used for filtering filtrate in ore pulp and enabling the filtrate to enter a collecting container through a plurality of drainage holes in the spiral compression rod; and the moisture measuring module is used for measuring the moisture content in filter residues in the filter pressing process and adjusting the pressure and the pressure maintaining time of the filter pressing system according to the moisture content, so that the working efficiency of the filter pressing process is optimized.

A method of terminating in IP Multimedia System (IMS) is provided. When a Terminal Originating a Call (TLO) initiates a conversation request to a Terminal Terminating a Call (TLT) roaming to the visiting network, an IMS network element receives a conversation request and determines whether the TLT is accessible to the local call transfer-out function in the conversation corresponding to the request and transmits the conversation request to the TLT after adding the local call transfer-out tag to the conversation request. The invention of the terminating effectively solves the problem of the media route alternation of the local terminating in the roaming service condition and modifies prior art of the IMS network slightly, which only relates to an individual network element modification, a partial process addition and a proper modification of the header field. The invention has a slight influence on prior IMS network structure and facilitates the technical update.

The invention provides new-type structure proton exchange membrane for a fuel cell and a preparation method thereof. According to the new-type structure proton exchange membrane provided by the invention, two aspects of a membrane material and a membrane structure are optimized and modified, specifically, inorganic nanoparticles are embedded into a polymer chain segment structure of conventional proton exchange membrane in situ, spatial configuration of polymer chain segments are adjusted through utilization of the nanoparticles, and further ion conductivity of the membrane is improved. The new-type structure proton exchange membrane is mainly prepared through utilization of steps such as swelling base membrane, embedding function materials and carrying out postprocessing. The obtained membrane has excellent ion diffusion rate and electrolyte affinity. Comprehensive performance of is superior to that of the proton exchange membrane in the market. The technology provided by the invention is simple in craft. Raw materials are easy to get. Expensive and complex production equipment is avoided. Large-scale production is easy to realize. According to the technology provided by the invention, performance improvement and cost reduction of the fuel cell can be remarkably propelled, and popularization of the fuel cell in the field of large-scale energy storage is prompted.

The invention provides intelligent production equipment and process for a cross-flow fan. The production equipment comprises a dynamic balance detector, a counterweight device, a movable slide rail assembly and a control system, The dynamic balance detector adopts a roller to drive a tested workpiece, carries out dynamic balance testing at a standard test rotating speed, analyzes the unbalance amount of the tested workpiece, records the unbalance amount in a digital form, and feeds back a test result in a visual form. The counterweight device adopts a form of adding a counterweight by smearing macromolecular glue to carry out counterweight adjustment on a specified position of a specified blade of the tested workpiece, so that the tested workpiece reaches the dynamic balance standard. The movable slide rail assembly is connected with the counterweight device and used for driving the counterweight device to carry out displacement adjustment in multiple directions. The control system is connected with and controls the dynamic balance detector, the counterweight device and the movable slide rail assembly, and is used for realizing automatic dynamic balance detection and adjustment procedures.