1112 results about "Joint action" patented technology

The invention relates to a set of electrocatalytic strong oxidizer materials, comprising a nano-function anode material which compounds nano oxide particles and catalyzes metal nano particles on a titanium substrate, and a nano-function cathode material which takes titanium or stainless steel as a substrate and introduces transition metal nano-particles on the surface thereof. By the electro-catalytic advanced oxidation technology, under the catalytic action of electrocatalytic strong oxidizer materials, water body can generate a hydroxyl radical with strong oxidizing performance and an oxygen radical; and if a chloride ion exists in water, hypochlorite can be generated. Under the joint action of a plurality of types of strong oxidizers, the algae cells in the water body and various harmful bacteria can be killed; and simultaneously the ammonia in water and the water-soluble organic matters can be degraded, so the goal of purifying water is achieved. According to the electrocatalytic advanced oxidation theory, the electrocatalytic strong oxidizer materials does not need to add any chemical agent when in application, does not have secondary pollution, and has good safety, high efficiency and low energy consumption.

The subject of the invention is an apparatus, system and process for liquid separation by reverse osmosis, nano-, ultra- and micro-filtration under the joint action of the differential pressure built up on the either side of the membrane (22) located in the apparatus for membrane separation (1), continuous rotation of the body (15, 17, 18) in the immediate proximity to the selective layer of the said membrane, oscillation of the liquid flow, caused by the means (15, 17, 18) and induced vibration of the said membranes. The superposition of the said continuous rotary movements, liquid oscillations and membrane vibrations on each other result in the reduction of membrane clogging with the substances being retained.

The invention belongs to the technical field of strength tests in aviation, and particularly relates to a test device capable of evenly applying an axial compression load and a shearing load. The test device comprises a shearing load applying component 1, an axial compression load applying component 2, a lower platform component 3 and a rib-adding flat plate component 4. According to the technology for independently loading the compression load and the shearing load, adopted by the device, the device not only is suitable for the flat plate, but also is suitable for a rib-adding flat plate. Furthermore, the test debugging of the single axial compression load and the single shearing load under the condition that the rib-adding flat plate is invariable in an installing posture can be realized, so that the reference can be provided for the analysis of the stress state of a lower wall plate under the joint action of the compression load and the shearing load. The device applies shearing force by the self-balance principle of a whole frame and a 'load balancer', so that the shearing force can be evenly applied, the axial rigidity of the rib-adding flat plate can not be enhanced due to an adopted segmental shearing reinforcement block, a compression load applying effect can not be influenced, and a 'side frame effect' can be avoided.

The invention discloses a charging pressing forming method for a variable-cross-section special-shaped pipe, and relates to a forming manufacturing method of a metal pipe. The problems that an existing low-internal-pressure forming technology only can form a pipe with the unchangeable section perimeter, and meanwhile, in the internal-high-pressure forming process of an advanced high-strength steel variable-cross-section pipe, the pressure is high, springback is large, and a mold is seriously worn are solved. The forming method comprises the steps that firstly, an upper expansion mold and a lower expansion mold are assembled on a pressure machine; secondly, the upper expansion mold descends to perform mold assembly, a pipe blank is subject to charging, and the pipe blank expands until the pipe blank is attached to the mold; thirdly, the internal pressure of the pipe blank is relieved; fourthly, an upper pressing block and a lower pressing mold are assembled on a pressure machine; fifthly, the upper pressing block descends to perform mold assembly; sixthly, under the joint action of mechanical pressure of the mold and hydraulic pressure of an inner cavity of a variable-cross-section round pipe, mold attaching is carried out, the variable-cross-section round pipe is formed into the variable-cross-section special-shaped pipe, and the forming process is finished; and seventhly, the internal pressure of the variable-cross-section special-shaped pipe is relieved, and the variable-cross-section special-shaped pipe is cut, so that the variable-cross-section special-shaped pipe meeting the design requirement is obtained. The method is used for forming the variable-cross-section special-shaped pipe.

The invention belongs to the field of feed and is particularly suitable for feeding crabs. The crab feed is mainly characterized in that: (1) various animal and vegetable proteins, starch, trace elements, an auxiliary agent, a feeding promotion agent and the like serving as raw materials are compounded, so that the nutrient contents of the crab feed are more balance and comprehensive, and the requirements of the crabs during different growing periods can be met only by adjusting the ration of relative raw materials in the formula; and (2) the modified plastic processing machinery and process are used, and simultaneously the processes of mixing, shearing, curing, swelling, granulating and the like of the raw materials are also completed. Under the joint action of the two factors, the shapeof the product is stable, the flexibility is adjustable, and the product is not loosened after being soaked in water for several hours, so that the product is in accordance with the feeding habit of the crabs. Because the raw materials comprise fly maggots and earthworms that provide a certain amount of natural antibiotic and immunological factor, the product is insusceptible to decay and deterioration and can improve the disease-resisting capability of the crabs taking the crab feed. The crabs cultivated by the crab feed have the advantages of quick growth, fresh and smooth meat and rich nutrition.

The invention discloses a novel lepidolite flotation method including primary rough selection, secondary fine selection and secondary scavenging. During the flotation, sodium silicate is added as an inhibitor with the amount ranging from 1400g/t to 1900g/t; an anionic collector is sodium oleate or oxyparaffin soap 731 with the amount ranging from 480g/t to 700g/t; and a cationic collector is dodecylamine or coconut oil amine with the amount ranging from 130g/t to 160g/t. The adding sequence of collectors is the anionic collector first and the cationic collector second, or the anionic collector and the cationic collector are added together. By the method, the lepidolite is selected through the combination of the anionic and the cationic, good flotation effect can be realized, flotation efficiency is high, and meanwhile, the synergistic effect is generated between the anionic collector and the cationic collector, and results from joint action of three mechanisms of coadsorption, charge compensation and function complementation.

The invention provides an optical micro-hand based on a three-core fiber and a method for preparing the same. The fiber comprises a three-core fiber and a single-core fiber which is in coupled connection with the rear of the three-core fiber and the connection between the three-core fiber and the single-core fiber is realized by applying heating, fusing and tapering the welding point after welding. The other end of the three-core fiber is made into a cone by sintering at the sharp end after grinding or heating the ends of the fiber and applying fusing and tapering. Aiming at the defect and deficiency in the prior art, the optical micro-hand discloses an optical micro-hand based on a three-core fiber which can form a cross combination light field by grinding or tapering the ends of the fiber based on the three-core fiber by making use of the joint action among external refraction, internal reflection and external refraction as well as a cone gradual wave guide and further form a three dimensional gradient force potential trough at the convergence point of combination light fields so as to realize three dimensional trapping of tiny particles.

The invention discloses a device for removing fine particles by joint action of acoustic agglomeration and mist spray and a method of the device. A compressed drive sound source is arranged at the top of a main agglomeration chamber body, and connected with a power amplifier and a signal generator sequentially; a smoke inlet is formed in the lateral wall of the upper part of the main agglomeration chamber body; a nozzle is arranged inside the upper part of the main agglomeration chamber body, and connected with a buffer tank, a plunger type metering pump and a storage tank respectively; an induced draft fan is arranged at the lateral wall of the lower part of the main agglomeration chamber body; a sound-absorbing sponge is arranged at the bottom of the main agglomeration chamber body. Fine particles in dust-containing airflow such as discharged smoke from a coal-fired power plant are preprocessed by using joint action of acoustic agglomeration and mist spray, so that the acoustic agglomeration efficiency of the fine particles is greatly improved, and the target of efficiently removing particulate matter 2.5 (PM2.5) is achieved by combining with subsequent traditional dust removers. Thus, emission of the PM2.5 is controlled. The sound pressure level required by the method of combining acoustic wave with mist spray is much lower than that of the method only adopting the acoustic wave, so that the energy consumption of acoustic agglomeration is effectively reduced.

The invention relates to an intelligent multi-police command center management platform, which comprises a reporting system, a receiving system, an assigning system, an action system, a police affair supervision system and a police affair hotspot analysis system, the reporting system can rapidly locate informants, the receiving system can automatically classify same cases according to search conditions and synchronize receiving sheets with report recordings, the assigning system can utilize police affair terminals to assign policemen, the action system can track police cars and policemen in real time by means of a GPS (Global Positioning System), and the police affair supervision system can supervise case-handling situations in real time. By establishing the intelligent multi-police command center management platform, a technical support surface for an entire urban public security control system can be expected to be formed gradually, consequently, the unified command, visualized positioning, quick response and cooperative operation levels of public security agencies can be increased, a new information and police affair pattern of city-level, district-level, station-level, police car-level and policeman-level joint action can be realized, moreover, the working efficiency and social public security control ability of the public security agencies and the living satisfaction of citizens can be further increased, and the dynamic management of social public security under the new situation can be better satisfied.

The invention discloses a method for preparing tobacco activated carbon based on low temperature plasma modification. The method is characterized by comprising the steps of: firstly drying and crushing waste and inferior tobacco into fine particles, and performing high temperature carbonization on the fine particles under nitrogen protection so as to obtain tobacco scorching samples; then putting the tobacco scorching samples into an inorganic acid solution for treatment, then cleaning the treated tobacco scorching samples until the cleaned tobacco scorching samples are neutral, putting the neutral scorching samples into an activator solution, macerating the neutral scorching samples in the activator solution, filtering the macerated scorching samples, and drying the filtered scorching samples; and finally, treating the scorching samples with low temperature plasma under activated gas atmosphere so as to obtain the tobacco activated carbon. According to the method disclosed by the invention, the waste and inferior tobacco in cigarette plants is directly prepared into the high-quality activated carbon, so that the cost of raw materials is low, and the purpose of locally transforming and utilizing the waste and inferior tobacco is realized. In addition, through the treatment of the low temperature plasma and under the joint action of fitting modification conditions, an activator and activated gas, the specific surface area of the tobacco activated carbon is enlarged, and the surface chemistry characteristics of the tobacco activated carbon are enriched.

The invention belongs to the technical field of strengthening of tooth surfaces of gears, and discloses an ultrasonic strengthening device for gear tooth surfaces of involute cylindrical gears. The ultrasonic deep rolling technology and the involute generation theory are organically combined, and the ultrasonic strengthening device for gear tooth surfaces of involute cylindrical gears comprises an ultrasonic generating device, an L-shaped ultrasonic machining head, a pressure feeding device, a first slide plate, a second slide plate, a base circular plate, a guide scale and a base. The ultrasonic generating device is used for generating high-frequency high-energy vibration. Initial static pressure is regulated by means of adjusting the pressure feeding device, the guide scale drives the base circular plate and a gear to rotate by the aid of friction force, gear teeth of the strengthened gear and the ultrasonic machining head move in a meshed manner, and simultaneously, ultrasonic strengthening of the surface of the strengthened gear is completed by the ultrasonic machining head in a linear contact manner. Ultrasonic strengthening of the integral tooth surface is realized under joint actions of the high-frequency high-energy vibration and the static pressure, a residual stress layer with a certain depth is formed on the gear tooth surface of the strengthened gear, and accordingly purposes of improving stress state of the gear after the gear is ground and prolonging the service life of the gear are achieved.

The invention discloses a construction method for a rock freeze-thaw damage constitutive model under the action of constant confining pressure. Based on a popularized strain equivalence principle, taking the joint action of two damage factors (freeze-thaw cycle and load) into consideration, the invention proposes an expression of a total damage variable. If the strength of a rock element body is subject to Weibull distribution, on the basis of a D-P failure criterion and geometrical conditions at peak points of a rock stress-strain curve, an expression of a random distribution variable F, a distribution parameter m and F0 is obtained, and a rock freeze-thaw damage constitutive model under the action of constant confining pressure is created. A triaxial compression experiment is carried out on a rock under the action of freeze-thaw cycle, and the experiment verifies the rationality of the model. The method disclosed by the invention is a method combined with theoretical derivation and experimental verification. The theoretical curve of the rock damage constitutive model created by the method is identical with the experimental curve, the mechanical behaviors of a rock under various confining pressures and freeze-thaw cycle numbers can be perfectly reflected, and a theoretical guidance is provided for designs and construction of cold-region projects.

The invention provides a manufacturing method of self-lubricating and self-cooling dry cutter, belonging to the technical field of mechanical cutter manufacturing. A cutter-scrap contact zone on a front cutter face of the cutter is provided with a plurality of miniature antifriction slots filled with solid lubricants, and the solid lubricants in the antifriction slots are coated on the front cutter face of the cutter in a towing way by the jointed action of cutting heat and scrap extrusion to form a continuous solid lubricating film so that the self-lubricating function of the cutter is realized; and a self-circulation cooling cavity is arranged in a cutter body, during cutting processing, a liquid medium in the cooling cavity absorbs heat transferred from the cutting part of the cutter so that the rapid heat radiation and cooling of the cutting part of the cutter can be effectively enhanced, thereby the self-cooling function of the cutter is realized. The cutter can reduce the frication of the cutting part with a workpiece and also lower the cutting temperature so that the friction of the cutter is reduced, the processing quality of the workpiece and the durability of the cutter are improved, and the cutter can be widely applied to dry cutting and cutting of materials difficult to process and realizes clean production.

The invention discloses a heavy-duty tool thermal deformation prediction method taking environmental temperature into account. The method specifically comprises the following steps of predicting the tool thermal deformation caused by the internal heat source of a tool, predicting tool thermal deformation caused by the external heat source of the tool, summing the tool thermal deformation caused by the internal and external heat sources to obtain the final tool thermal deformation. Time-lag thermal deformation error caused by the environmental temperature is taken into account during the prediction of the tool thermal deformation caused by the external heat source of the tool, and multiple regression modelling based on the least square method principle is performed during the prediction of the tool thermal deformation caused by the internal heat source of the tool. The joint action effects reflecting the influence of the environment temperature nonlinear lag and the influence of the internal heat source on the heavy-duty tool are combined by the method, and the thermal deformation error under any environmental condition and processing condition can be effectively predicted in real time.

The invention discloses a system and method for measuring deflection of a bridge structure based on wireless tilt, belonging to the technical field of bridge structure measurement. The invention is characterized in that the system is jointly formed by two wireless tilt sensors, a wireless data unit and a personal computer (PC), wherein the wireless data unit is connected with the PC via a serial port; and each wireless tilt sensor is jointly formed by a micro electro mechanical system (MEMS) technology based tilt unit, a tilt acquisition unit, a wireless transceiving unit and an energy module. The method is characterized by building the bridge deflection curve formula in consideration of the joint action of the deal weight of the bridge structure and the external load, deriving the deflection formula to obtain the tilt formula, computing the unknown parameters according to the actually measured tilt and further obtaining the deflection. The invention overcomes the defects existing in the traditional wired measuring systems and methods, the system has the characteristics of high testing precision, good stability, strong real-time property, accurate computation, etc, and the method is suitable for measuring deflection of similar bridge structures and has good application prospect.

Provided is an image-text displaying intelligentialized fire warning and evacuation indicating system. The image-text displaying intelligentialized fire warning and evacuation indicating system comprises a fire warning control host, a fire detecting unit which is connected with the fire warning control host, a fire warning device, fire-fighting joint action equipment, an evacuation indicating unit, an image-text displaying unit and an voice broadcasting unit. The fire detecting unit detects the happening of a fire, the fire warning device sends warning signals, the fire warning control host confirms the happening location of the fire, and a best evacuation route is formed. The fire-fighting joint action equipment is triggered to put out the fire. The voice broadcasting unit sends a voice warning. The evacuation indicating unit indicates evacuation directions in real time. The image-text displaying unit records and displays in-real-time running state of the system and detailed information of evacuation indication. Due to the fact that the evacuation indicating unit, the image-text displaying unit and the voice broadcasting unit are respectively connected with the fire warning control host, the image-text displaying intelligentialized fire warning and evacuation indicating system is capable of achieving the function of fire warning, evacuation indication, illumination, joint action fire-fighting, voice broadcast and dynamic displaying of the comprehensive running state of the system at the same time.

The invention discloses a seawater corrosion-resistant low alloy cast iron, which is mainly used for manufacturing components in seawater hydraulic projects. Adopting the weight percentage as unit, the seawater corrosion-resistant low alloy cast iron comprises 0.6 to 1.6 Ni, 1.5 to 3.0 Cr, 1.8 to 2.8 Si, 2.8 to 3.6 C, 0.6 to 1.0 Mn, 1.5 to 3.0 Cu, 0.1 to 0.3 RE, less than or equal to 0.4 Al, less than or equal to 0.1 Sb, less than or equal to 0.12 P, less than or equal to 0.06 S, and remaining part of Fe. The seawater corrosion-resistant low alloy cast iron has the advantages of improving corrosion resistant performance due to joint action of the cast iron chromium, nickel, copper and other alloy elements, reducing nickel content and cost, and improving corrosion resistant performance of the seawater corrosion-resistant cast iron compared with the Ni-Cr alloy corrosion resistant cast iron.

The invention discloses a spent lead-acid storage battery separating and collecting device and method, which are used for separating a cut upper cover from a battery jar, wherein an upper cover push device is arranged next to a cutting position; a rotating vibration device is arranged below the upper cover push device and comprises a clamping mechanism and a rotating mechanism; the clamping mechanism can be connected to the rotating mechanism along the vertical direction in a reciprocating vibration manner; the bottom of the rotating mechanism is assembled on a horizontal conveyer at the lower part; the rotating mechanism can horizontally move along with the horizontal conveyer along a rack; the rotating vibration device can horizontally move after clamping the battery jar, and then rotates 180 degrees, so that a notch of the battery jar is downward; a pole group and a dilute sulfuric acid solution can be relatively effectively separated by joint action of three modes, namely a horizontal rotating impact, a spring vibration and an air cylinder movement; the spent lead-acid storage battery separating and collecting device is friendly to environment, simple in structure, convenient to operate and easy to control; and a physical separation can be efficiently carried out on cut and separated lead-acid storage battery.

The invention discloses a multi-harmonic-source harmonic contribution quantitative analysis method based on a total-least square method. The multi-harmonic-source harmonic contribution quantitative analysis method includes: selecting harmonic voltage as the index for evaluating harmonic contribution, and determining the joint action of the harmonic source of each node; sectioning measured data according to time, and calculating the harmonic contribution in each time section according to the projection of the harmonic voltage of one harmonic source at one node on the total harmonic voltage at the node; using the total-least square method to solve harmonic impedance and the harmonic voltage, namely background harmonic voltage, of other harmonic sources at the node, and using a singular value decomposition method to obtain the solution of the total-least square method to obtain the quantitative data of each harmonic source at each node at each harmonic time. The multi-harmonic-source harmonic contribution quantitative analysis method has the advantages that the total-least square method is applied to the harmonic quantitative analysis field, the defect that a traditional method only considers variable harmonic voltage measuring errors and does not consider the independent variable harmonic current measuring errors is overcome, and obtained results are accurate.

The invention discloses a firework coiling machine. The firework coiling machine comprises a paper feeding mechanism, a paper cutting mechanism, a coating mechanism, a coiling mechanism, a drum cutting mechanism and a drum receding mechanism, all of which are sequentially arranged on a rack. The firework coiling machine is characterized by further comprising a paper heating mechanism and a paper shaping mechanism, the paper heating mechanism is arranged at the front end of the paper feeding mechanism and comprises a driver with a heat source, and coiling paper is heated when conveyed to the paper feeding mechanism through the driver; and the paper shaping mechanism comprises an extrusion component and an extrusion face corresponding to the extraction component, the extrusion component moves towards the extrusion face, and the running coiling paper is shaped into an arc through the joint action of the extrusion component and the extrusion face. The firework coiling machine is simple in structure and convenient to use, the phenomenon of seam slippage of a paper drum is eradicated through the produced firework paper drum, the water content is extremely low, the production efficiency is improved, and the production cost is saved.

The invention relates to a down-hole rotary impact type drilling tool. The drilling tool is characterized in that an overflowing sleeve (1), an upper transmission spindle (6), a splined hub (8), an impact bearing seat (16) and a lower transmission spindle (22) are sequentially installed in a casing; an upper TC transverse bearing (4) and a rolling ball bearing pack (5) are sequentially installed outside the upper transmission spindle (6); a belleville spring (10), a vibration sleeve (12), a vibration starting seat (13), an impact heat (15), a PDC bearing (18), a lower TC transverse bearing moving ring (19) and a lower TC transverse bearing static ring (20) are sequentially mounted outside the impact bearing seat (16) and the lower transmission spindle (22); the impact heat (15) and the impact bearing seat (16) are connected through a flat key, the lower end face of the vibration sleeve (12) is connected with the upper end face of the vibration starting seat (13) through a flat key, and the vibration starting seat (13) is used for generating axial displacement and transmitting the axial displacement to the vibration sleeve (12) and the impact bearing seat (16). According to the down-hole rotary impact type drilling tool, low-amplitude high-frequency impact force is exerted on a drill, so that rock can be broken by the joint action of high-frequency periodical impact force with static-pressure rotation, the rate of penetration of hard stratums is effectively increased, drilling costs are reduced, and comprehensive technological and economic benefits of the drilling engineering are improved.