31results about How to "Considerable benefits" patented technology

The invention discloses a construction method for impact holing of filling piles in a tidal environment. The construction method for impact holing of the filling piles in the tidal environment comprises the following steps of (a) construction preparation, (b) hole center positioning, (c) drilling machine arrangement, (d) filling pile holing, (e) perpetual steel protective casing wall protection, (f) drilling acceptance inspection, (g) steel bar manufacture and arrangement, (h) filling pile pouring, (i) sweeping and cleaning. Construction periods of filling pile constructions at the Qiantang River with a thick underwater dimension stone layer, spur dikes with thick inner dimension stone layers and a complex geological structure and multiple-riprapping emergency rescue sections can be shortened to a great extent, the permanent protective effect is played on pile foundations by adopting steel-wall casings, and the maintenance cost caused by dam corrosion is reduced. The length of each of drill rods and follow-up castings of a drill machine is increased by adopting an advanced down-hole hammer eccentric drilling-with-casing technology, the perpetual casing protective wall is used, the defects of hole collapse and pile breakage does not exist, a drilling process is improved, and the economic benefit and the technical effect are very considerable.

The invention provides a method for efficiently preparing cellulose acetate through catalyzing waste biomass by organic solvents. According to the method, dry biomass powder is poured into a reaction vessel; then, a mixed solution of methanoic acid and water is added into the reaction vessel; after the materials are uniformly mixed, hydrochloric acid is added to be used as catalysts; under the condition of 40 to 150 DEG C, oil bath heating and stirring are carried out; pre-treatment liquid is subjected to suction filtration; a hot acid water solution and deionized water are used for sequentially washing solid residue, and the cellulose can be obtained; the dry cellulose powder is poured into another reaction vessel; a mixed solution of acetic acid and acetic anhydride, concentrated sulfuric acid and methylene dichloride are added; oil bath heating is performed under the condition being 50 to 120 DEG C; suction filtration, rotary distillation, rotary distillation product washing, extraction filtering and solid residue vacuum drying are performed; the cellulose acetate is obtained. The method has the advantages that a great amount of cellulose in the waste biomass in the nature can be converted into high-added-value cellulose acetate, and the yield reaches 18.25 percent to 50.16 percent.

The invention relates to a safe and reliable intelligent branch cable connecting box, comprising a box body, a main cable, a branch cable, a grooved wire clamp, a main control board and a wireless communication device, wherein the main cable UVWO passes through the grooved wire clamp and the branch cable UVWO is connected with the grooved wire clamp. By setting temperature detection circuit, undervoltage detection circuit and leakage current detection circuit in the cabinet to carry out various aspects of safety detection, and setting remote monitoring to obtain information in a timely manner.The intelligent connecting box has stable performance and can send out alarm signal at any time, and solves the problems of low safety factor of floors and easy occurrence of fire in modern buildings.

The invention discloses a liver nourishing and lipid regulation moringa oleifera preparation, which is mainly prepared from the following raw materials in parts by weight: 1 to 40 parts of moringa oleifera leaves, 1 to 30 parts of radix puerariae, 1 to 20 parts of dandelion, 1 to 20 parts of cassia seeds, 1 to 20 parts of lotus leaves, 1 to 20 parts of mulberry leaves and 1 to 20 parts of fruit of Chinese wolfberry. The invention also provides a preparation method of the liver nourishing and lipid regulation moringa oleifera preparation and application of the liver nourishing and lipid regulation moringa oleifera preparation. The liver nourishing and lipid regulation moringa oleifera preparation can be used for preventing and treating fatty liver, three hypers, atherosclerosis and hepatitis, and can also be used for relieving drunkenness, refreshing spirit and reducing the weight. The liver nourishing and lipid regulation moringa oleifera preparation has the advantages that the raw material sources are wide; the efficacies are many; no adverse reaction and toxic and side effects exist, and the like. The application prospects are wide; economic and social benefits and prospects are considerable.

The invention provides a method for preparing a material special for polybutylene terephthalate (PBT) optical fiber loose tubes. The method comprises the following steps of: uniformly mixing a solid additive required by the production of the PBT optical fiber loose tubes and 1,4-butanediol, conveying and metering by using a gear pump, adding into a slurry preparation tank in a proportion, allowing the obtained slurry and slurry which is prepared from 1,4-butanediol and terephthalic acid to enter an esterification reaction kettle, and thus obtaining a PBT base material for optical fiber loose tubes by a direct esterification and continuous condensation production technology; and ensuring that the PBT base material continuously enters a solid-phase system through metering, preheating and crystallizing, entering a solid-phase reactor for tackification at the temperature of 170 to 210 DEG C for 15 to 20 hours, cooling a product obtained after tackification, dedusting, conveying, and packaging to obtain the material special for the PBT optical fiber loose tubes. By the method, a color value of the product can be effectively controlled, the special additive is uniformly mixed in the product, the PBT product for the optical fiber loose tubes has relatively stable quality, and the high-speed development tendency of the machining process of the loose tubes is met.

The invention relates to a high-entropy ceramic modified coating with controllable components and a controllable microstructure, and a preparation method thereof. The high-entropy ceramic modified coating is a mixed coating formed by any four or more elements selected from zirconium (Zr), titanium (Ti), hafnium (Hf), tantalum (Ta), niobium (Nb), vanadium (V), chromium (Cr), molybdenum (Mo) or tungsten (W) and a substrate coating. The substrate coating comprises SiC-Si, ZrC-ZrSi2 or TiC-Ti. The preparation method comprises the following steps: pre-treating a base material; and mixing a solvent and a binder, carrying out ultrasonic dispersion, then adding a corresponding high-entropy ceramic precursor raw material TMxOy and other raw materials to prepare a uniform slurry suspension solution, and carrying out dipping-drying curing to obtain a pre-coating layer. According to the method, the high-entropy ceramic does not need to be prepared in advance, only the corresponding precursor raw materials are used for coating the surface of the base material through a simple material coating method, and a (carbon, nitrogen, carbon nitrogen or boron) compound high-entropy ceramic solid solution is generated in situ in a infiltration process, so solid solution strengthening effect can be achieved, the cohesion binding force of the coating is high, the hardness and high-temperature oxidation corrosion resistance of the coating can be further improved, and large-scale industrial application can be achieved.

The invention relates to a casting forming method of a cast and formed blade guiding frame. The cast and formed blade guiding frame is prepared from the following chemical components (in percentage by mass): 0.38-0.44 percent of C, 0.20-0.35 percent of Si, 0.60-0.90 percent of Mn, 0.030 percent of S or less, 0.030 percent of P or less, 0.90-1.20 percent of Cr, 0.15-0.30 percent of Mo, 0.05-0.08 percent of V and 0.005-0.01 percent of Ti. The invention has the advantages that (1) the production process is simplified by changing forging forming into casting forming, the raw materials are saved, and the production cost is decreased; and (2) the aims of enhancing grain thinning and improving the compactness of the materials and further improving the comprehensive mechanical performance of the materials are reached by externally enhancing external cooling, internally optimizing material components and adding microalloy elements.

The invention discloses a traditional Chinese medicine composition for treating necrotic enteritis of chickens. The traditional Chinese medicine composition is mainly prepared from golden cypress, fructus aurantii, magnolia obavata, radix linderae, pericarpium arecae, rhizoma atractylodis macrocephalae, poria cocos, rhizoma dioscoreae, fructus crataegi, radix sophorae flavescentis, medicated leaven, radix sileris, herba patriniae, radix pulsatillae, moutan bark, selfheal, radix glycyrrhizae, nauclea officinalis, folium perillae, cassia occidentalis, radix astragali, pericarpium granati, monkshood, herba taraxaci, bunge corydalis herb, red triadica sebifera and radix scutellariae. A preparation method of the traditional Chinese medicine composition for treating necrotic enteritis of chickens comprises the following steps: superfine grinding, mixing in batches, extracting, combining and concentrating. The traditional Chinese medicine composition has the advantages that the curative effect is effective, the medicine resistance is avoided, the medicine residue is avoided, and the traditional Chinese medicine composition is capable of treating necrotic enteritis of chickens, improving intestinal environment of chickens and enhancing immunity of chickens.

The invention discloses a propellant surplus measuring method based on multi-source data fusion. The method comprises the steps of during orbital transfer, independently calculating a real-time propellant consumption estimation value by adopting a BK method and a PVT method according to pressure and temperature remote measurement parameters of a propulsion system; through historical data, acquiring variance data corresponding to the BK method and the PVT method at the current moment through a time domain estimation method; according to a least square method, obtaining weighting coefficients ofthe BK method and the PVT method according to a variance estimation value, and calculating to obtain a current propellant consumption optimal estimation value; and subtracting the optimal consumptionestimation value from the propellant mass before orbital transfer to obtain the propellant surplus at the current moment. According to the invention, real-time data fusion of various propellant surplus measuring methods is realized, and the propellant surplus measuring precision is improved.

The invention discloses a flow rate energy or wave energy generator set and an electricity generating ship. The generator set comprises a waterwheel type rotary wheel (1), a driving wheel (2) which sleeves a center shaft (1a) of the waterwheel type rotary wheel, a generator (3), a driven wheel (4) which sleeves a generator rotary shaft (3a) and a conveying belt (5) which sleeves between the driving wheel and the driven wheel. The electricity generating ship comprises a ship body and the flow rate energy or wave energy generator set, power transmission and distribution equipment and circuits which are installed inside the ship body; the ship body comprises floating boxes (7) and a plant (8) which is constructed on the floating boxes (7). The waterwheel type rotary wheel of the generator of the generator set is arranged between the two floating boxes; the generator is installed inside the plant which is arranged above the floating boxes and the waterwheel type rotary wheel. The flow rate energy or wave energy generator set and the electricity generating ship can fully utilize river and ocean energy and are low in electricity generating costs, strong in environmental suitability, flexible in application and safe and reliable.

The invention discloses an insulator cleaning device. The insulator cleaning device comprises a moving substrate (2), a rotating substrate (5), rotating strip plates (7), a first driving device, a second driving device, a third driving device and a cleaning assembly; the moving substrate (2) can be driven by the first driving device to move in the horizontal plane; an arc-shaped guide rail (21) isinstalled on the moving substrate (2), and the rotating substrate (5) can be driven by the second driving device to rotate along the arc-shaped guide rail (21) in the horizontal plane; and the rotating strip plates (7) are symmetrically installed at the two ends of the rotating substrate (5), one end of each rotating strip plate (7) is rotatably installed on the rotating substrate (5), the otherends of the rotating strip plates (7) are connected with the cleaning assembly, and the rotating strip plates (7) can be driven by the third driving device to rotate in the horizontal plane.

The invention discloses a flame tube repair method. Welding repair of a combustion-supporting hole guide sleeve in a component status is realized by an argon arc welding type welding repair process of a welding head. The welding method specifically comprises the following steps: polishing and cleaning before welding; washing and drying; welding by an argon arc welding process; manually welding a welding position of a gas feeding funnel by the argon arc welding process on an argon arc welding machine; inspecting after welding; testing for checking; inspecting and testing an engine by rule, wherein the performance of the engine is qualified. The method has the advantages as follows: the combustion-supporting hole guide sleeve at the head of a flame tube is subjected to integrated welding repair, so that the head of the flame tube is prevented from being scrapped, a new flame tube does not need to be replaced, the replacement cost of the new flame tube is reduced, and a new direction is provided for repairing the flame tube while considerable economic and social benefits are created.

The invention discloses a flowerpot tray device capable of watering automatically. The flowerpot tray device capable of watering automatically comprises a flowerpot, a tray, a water tank, a float valve and a water closing silicon pad, wherein the flowerpot is placed on the tray, a through hole is formed in the bottom of the flowerpot, a water supply connector is arranged at the top of the water tank, the float valve is in a hollow structure and arranged in the water tank, one corner of the float valve is connected with a pin shaft of the water tank, the water closing silicon pad is arranged at the top of the float valve and below the water supply connector, the float valve ascends and descends along with changes of water level in the water tank and opens and closes a water outlet of the water supply connector via the water closing silicon pad, the water tank is connected with the tray in a communicated manner, a vent pipe is arranged on the flowerpot, the bottom end of the vent pipe penetrates the through hole in the bottom of the flowerpot and is communicated with the atmosphere, and the vent pipe is arranged on the tray and smaller than the through hole in the bottom of the flowerpot in diameter. The flowerpot tray device capable of watering automatically is capable of automatically feeding water according to a set water face height of the flowerpot tray and keeping the water face still at the set water face height, delicate in design, simple in structure, low in cost, water saving, convenient to use and wide in application range.

The invention discloses a method for preparing a biodegradable transparent film by using waste wood biomass. The method comprises the following steps: cleaning, drying and crushing the waste wood biomass into powder, extracting and dewaxing with absolute ethyl alcohol, mixing with a methanesulfonic acid aqueous solution for prehydrolysis after drying, mixing with alkaline Na2SO3 for reaction after filtering, washing and drying, and filtering, washing and drying to obtain cellulose; then adding a mixture of acetic acid and acetic anhydride, carrying out oil bath heating reaction by taking sulfuric acid as a catalyst, then centrifuging, adding water into supernatant to separate out precipitates, filtering, washing, drying and partially hydrolyzing to obtain cellulose acetate; mixing with a plasticizer, an anti-reflection agent and a solvent, stirring, standing and defoaming to obtain a cellulose acetate transparent solution; forming a film through a dry phase inversion technology after the template is coated; and stripping the film from the template to obtain the cellulose acetate transparent film product. According to the method, the research process of high-value utilization of biomass resources is promoted, and a new way is opened up for solving the problems of white pollution and the like.

The invention discloses a cactus tablet and a preparation method thereof. The cactus tablet comprises the following raw materials in parts by weight: 50 to 2000 parts of cactus, 10 to 400 parts of ligustrum lucidum, 10 to 400 parts of pseudostellaria root, 70 to 2000 parts of cyclodextrin, 70 to 2000 parts of skeleton material, 15 to 20 parts of bonding agent, 40 to 60 parts of diluent, 3 to 10 parts of flavoring agent, and 2 to 5 parts of lubricant. The cactus, ligustrum lucidum, and pseudostellaria root are compounded to generate a synergetic effect. The cactus tablet has a prominent effect of boosting qi and tonifying deficiency and can help fat people to lose weight. The cactus can also enhance the physique and endurance of vegetarian and weak people. According to the preparation method, the cactus is grinded and pulped, clastic enzyme is added to fully release the pharmacological active components, the extraction rate and utilization rate of pharmacological active components in cactus can be improved, then the extracts of ligustrum lucidum and pseudostellaria root are added, three traditional Chinese herbals generate a synergetic effect, and the pharmacologic effect is fully exerted.

The invention discloses a technological method for improving the strength of preheated pellets in a grate-rotary kiln. In iron concentrates, the content of the iron concentrates with the grain size being -200 meshes is 80% or above, and the iron concentrates with the grain size being -325 meshes is 60%-80%; the specific surface area of the iron concentrates reaches 1500-1900 cm<2>/g or above; thegrain composition of raw materials stabilizes at no more than 0.074 mm, and the fluctuation range is no more than +/-1.5%; and the moisture content of crude pellet is 7.5%-8.0%. The grate-rotary kilnhas the technological parameters that the drying second-stage temperature is 355-365 DEG C; the preheating first-stage temperature is 570-580 DEG C; the preheating second-stage temperature is 990-1010DEG C; and the machine speed is 1.5-2.5 m/min. According to the technological method, the raw materials, the pelletizing technological parameters and the technological parameters of the grate-rotarykiln are controlled, by optimizing the technological conditions, the strength of the preheated pellets in the grate-rotary kiln can be improved, the strength of finished pellets can also meet the blast-furnace smelting requirement, and the economic benefits are considerable.

The invention relates to a moving contact of a 330kV isolating switch of a converting station. The moving contact of the 330kV isolating switch of the converting station is an improvement of the moving contact of a GW7-330/1600 type isolating switch. The moving contact of the 330kV isolating switch of the converting station comprises a moving contact body. A hook fixing rod is fixedly arranged on the moving contact body. A limiting hook is arranged at the head end of the hook fixing rod. The moving contact of the 330kV isolating switch of the converting station is characterized in that a liner plate is arranged at one end of a tube body of the moving contact, and the inner diameter of the liner plate is the same as that of the tube body. A gap is formed between the liner plate and the hook fixing rod. The liner plate is in clearance fit with the inner diameter of the tube body of the moving contact. The liner plate is in a T shape. The contact face, contacting with the inner diameter of the tube body, of the T-shaped liner plate is provided with an arc which is matched with the inner diameter of the tube body. The lower ends of two wings of the T-shaped liner plate are clamped on the upper end face of the tube body of the moving contact. The moving contact of the 330kV isolating switch of the converting station meets operating requirements of the system, improves operating reliability of equipment, prolongs the service life of operation of the equipment, improves stability, avoids and reduces emergencies and serious forced shutdowns, eliminates inherent hidden dangers of the equipment, improves operation security coefficient of the equipment, and provides reliable guarantee for safe and economical operation of a power grid.

The invention relates to seawater desalting equipment and in particular relates to welding chromium alloy atoll seawater separating and desalting equipment without power consumption or oil consumption. A primary output shaft is welded and fixed with a coupler input welding groove of a chromium alloy welding head six-edge flexible coupler, a coupler output welding groove of the chromium alloy welding head six-edge flexible coupler is welded and fixed with a low pressure pump input shaft of a low pressure centrifugal pump, a lifting water inlet pipe of the low pressure centrifugal pump is connected with a seabed water filter; a lifting water outlet pipe of the low pressure centrifugal pump penetrates through a water pipe sealing hole of a separation wall from outside to inside to be connected with a spare pre-treatment tank; a high pressure pump water suction pipe of a high pressure centrifugal pump is connected with the spare pre-treatment tank, a high pressure pump water outlet pipe of a high pressure centrifugal pump is connected with an osmosis membrane front cavity of a reverse osmosis membrane assembly; an osmosis membrane rear cavity of the reverse osmosis membrane assembly is sequentially connected to an activated carbon adsorption tank and a fresh water storage tank, and the welding chromium alloy atoll seawater separating and desalting equipment is improved in the aspect that the high pressure pump water suction pipe and the high pressure pump water outlet pipe are respectively connected with a horizontal welding head non-return device in series.

The invention relates to seawater desalination equipment namely spline flange zinc alloy seawater desalination treatment equipment. An indoor hand-operated entertainment device drives a planetary speed-increasing gearbox to rotate at a high speed and penetrate through a transmission pipe isolation hole of a separation wall from inside to outside by virtue of a zinc alloy spline coupling to drive a centrifugal lift pump to obtain seawater from a submarine water filter by virtue of a lifting water inlet pipe; the obtained seawater penetrates through a water pipe isolation hole of the separation wall from outside to inside by virtue of a lifting water outlet pipe to sequentially flow into a micro electrolytic tank treatment device and a dust-slag precipitation and filtration device and then enter a clean seawater standby tank for later use; a micro plunger pump is built in each of pairwise-arranged pedal entertainment devices; a high-pressure pump water inlet pipe of each micro plunger pump is connected with the clean seawater standby tank; a high-pressure pump water outlet pipe of each micro plunger pump is connected with an osmotic membrane inlet of a reverse osmosis membrane component; fresh water permeating out of an osmotic membrane outlet flows through an activated carbon adsorption tank, and is subjected to treatment; then standard fresh water which meets the domestic drinking standard is finally supplied to a fresh water storage tank for domestic drinking of people on an isolated island.

The invention discloses a network-based democratic evaluation method, belongs to the technical field of data processing, and aims to solve the technical problem of how to improve the credibility of an evaluation result, save manpower and time, save paper and meet environmental protection requirements.According to the technical scheme, the method is based on a patrol information system, by means of an online evaluation system, standardization of an evaluation process is achieved, making and modification of an evaluation table and questionnaires are completed through an inspection information system, real anonymization of the voting process is achieved, and an evaluation result can truly reflect the real situation of an evaluated unit; the method specifically comprises the following steps: constructing an inspection information system; completing making of an evaluation form and a questionnaire by using a question bank; establishing an online evaluation basic data classification library; formulating and implementing an evaluation task; and analyzing assessment results.

The invention discloses a method for determining the optimal efficiency of a water-based propulsion system based on multi-target optimization. The method comprises the following steps: setting independent variable parameters related to the scale of the water-based propulsion system; distributing volumes of a hydrogen cylinder and an oxygen cylinder according to an electrolysis principle; obtainingthe mass and maneuvering interval time of a propellant (water) required to be carried by the water-based propulsion system under the same load weight and speed increment as those of a traditional chemical propulsion system according to the parameters of the water-based propulsion system; solving an optimal solution set of the gas cylinder volume and the electrolytic tank power of the water-basedpropulsion system by taking the system weight and the maneuvering interval time saved by the water-based propulsion system as targets and utilizing a multi-target optimization method; and selecting proper parameters from the optimal solution set according to task requirements, and calculating the performance which can be provided under the scale. The optimal efficiency design of the water-based propulsion system is realized through the multi-objective optimization method, and the problem of mutual restriction between the efficiency and resources of the water-based propulsion system is solved.

A multifunctional whitening and tooth strengthening toothpaste is made through the following steps: weighing the following cleaned main materials: mulberry leaf, mint leaf, panax notoginseng, Herba Taraxaci, barbed skullcap herb, safflower, green tea, cedar leaves, argy wormwood and orange according to a ratio of 6-4:4-6:5-4:4-5:3-4:4-3:2-3:3-2:2-3:1-2 with 10 as a base, refining the main materials, micro-screening the refined main materials to form main material powder, weighing the following ingredients: onion, mustard, rice vinegar, borax and refined salt according to a ratio of 0.5-0.6:0.6-0.5:2-1:0.5-0.4:0.4-0.5 with 10 as a base, refining the ingredients, micro-filtering the refined ingredients to form a mixed solution, weighing the main material powder, the ingredient mixed solution and purified water according to a ratio of 8-6:6-5:1-3 with 100 as a base, uniformly stirring all above weighed materials to form a mixed slurry, carrying out heating boiling disinfection for 0.6-1h, packaging the obtained material, and sealing the packaged material. The toothpaste has the advantages of advanced preparation technology, high grade, high quality, high efficiency, delicate matching of plant fruits, environmental protection, convenience, economy, suitableness for people of all ages and both sexes, and substantial comprehensive economic and social benefits in promotion and use.

A multifunctional humanoid multi-legged robot comprises at least four multi-joint or multi-degree-of-freedom bionic mechanical legs, and the bionic mechanical legs are connected with the bottom or theperiphery of the trunk of a humanoid robot body, or the at least four bionic mechanical legs form a multi-legged robot platform through the connecting pieces and then are connected with the trunk ofthe humanoid robot. According to the present invention, the adaptive capacity and the climbing and running capacity of a traditional humanoid robot to the complex terrains can be greatly improved, theloading capacity of the robot can be greatly improved, and the problems that the structure of the humanoid robot is complex and the gravity center change needs a large amount of servo adjustment control can be simplified and solved. The robot can be applied to the fields of security, defense, service, entertainment, performance, communication and the like, and can satisfy various requirements ofpeople.

The invention relates to a device for extracting fresh water from sea water and in particular relates to a copper alloy external thread reef fresh water high pressure membrane permeation device. The copper alloy external thread reef fresh water high pressure membrane permeation device is characterized in that an indoor single-handed entertainment device drives a primary speed-increase gearbox to rotate at a high speed, a copper alloy external thread five star flexible coupler passes through a transmission pipe sealing hole of a separation wall from inside to outside to drive a single-stage centrifugal pump to acquire seawater from a seabed water filter by virtue of a lift water inlet pipe, the acquired seawater passes through a water pipe sealing hole of the separation wall from outside to inside via a lift water outlet pipe to be connected to a pre-treatment spare tank; a multi-stage pump suction pipe is connected with the pre-treatment spare tank, a multi-stage pump water outlet pipe is connected with a permeable membrane front cavity of a reverse osmosis membrane assembly; strong brine intercepted by the reverse osmosis membrane assembly is pressurized and discharged, the fresh water passing through the reverse osmosis membrane assembly flows out from a permeable membrane rear cavity and is treated by an activated carbon adsorption tank, and drinking water reaching the standard of drinking water is finally fed into a fresh water storage tank for drinking water supply of people living on reefs.

The invention discloses a filling vehicle for backfilling a coal mining roadway, and belongs to the technical field of coal mining roadway backfill. A U-shaped groove vehicle body of the filling vehicle is internally provided with a lifting U-shaped groove bucket, a corresponding filling opening and a corresponding U-shaped feeding inlet are formed in the upper parts of both a bottom plate of theU-shaped groove vehicle body and a bottom plate of a U-shaped groove body of the U-shaped groove bucket, a supporting frame is arranged at the rear part of the U-shaped groove vehicle body, and wheelsare mounted at the lower end or the lower part of the U-shaped groove vehicle body; a lifting hydraulic oil cylinder is mounted on the supporting frame and connected with a lifting seat at the rear part of the bottom plate of the U-shaped groove body of the U-shaped groove bucket, and the lifting seat can ascend and descend along a lifting sliding channel in the bottom plate of the U-shaped groove vehicle body; the supporting frame is connected with a travelling-type belt conveyor; the filling opening is connected with a conveying belt; and the lifting hydraulic oil cylinder is connected witha hydraulic control device. According to the filling vehicle for backfilling the coal mining roadway, a large amount of coal gangue can be backfilled, filler can be quickly formed, the strength and compactness are improved, stacking is facilitated, a coal mining area is filled fully, the gap is eliminated, and the filling strength and compactness are enhanced.

Disclosed is a novel semi-dry method steelmaking converter smoke dust removal device with a waste heat recovery function. The device comprises a converter, a cover skirt, a vaporization flue, a smoke preprocessor, a high-temperature connecting flue, an anti-detonation explosion-proof vertical flue type waste heat boiler, a circulation cyclone dust collector, a circular seam dust collector, a combined dehydrator, an induced draft fan and a switching station, wherein the converter, the cover skirt, the vaporization flue, the smoke preprocessor, the high-temperature connecting flue, the anti-detonation explosion-proof vertical flue type waste heat boiler, the circulation cyclone dust collector, the circular seam dust collector, the combined dehydrator, the induced draft fan and the switching station are communicated in sequence. The gas exhausted by the induced draft fan passes through the switching station and is connected with a gas holder and a diffusion tower. The circulation cyclone dust collector is communicated with a converter dust recycling system through a total ash bin of an ash conveying system. The provided device and a technology have the advantages that converter smoke dust removal and water conservation, converter smoke waste heat recovery, converter fan electricity saving and converter dust recycling are achieved, the pure dry converter dust collection rate is 80%, energy conversation and environmental protection are achieved, the operability is high, and the economic benefit is high.

The invention provides a method for preventing catkin fouling, which is applied in an open circulating water system. The method comprises the following steps: sodium hypochlorite is added at one side of a circulating pool of the system to kill microorganisms on the side wall of the system so as to drive the microorganisms to drop to form flocculent sludge; hydroxyl ethylidene diphosphonic acid is added at the other side of the circulating pool of the system to disperse the flocculent sludge to form dispersive deflocculent sludge floating on the water surface; the deflocculent sludge and catkins floating on the water surface mutually adsorb to form catkin sludge pieces with small specific gravity; the catkin sludge pieces mutually adsorb, and the catkin sludge pieces adsorb impurities in the water thus forming floating catkin sludge blanket. The method for preventing catkin fouling provided by the invention has the advantages of no stopping, simple and flexible operation, non-increase of power consumption, etc. Sewage in the system can also be separated while the catkin fouling is prevented, so that the heat exchange efficiency of a heat exchanger of the circulating water system is improved.

The invention discloses a mobile stowage safety protection device for a beacon vessel, and belongs to matched equipment for a mobile stowage device of the beacon vessel. The mobile stowage safety protection device comprises braking rails and braking modules, wherein the braking rails are positioned on a vessel bottom structure between mobile stowage running rails; each braking module comprises a backing plate; a bracket is mounted on each backing plate; two first supporting seats are mounted on each bracket; and two mutually corresponding braking oil cylinders and other structures are mounted on the two first supporting seats respectively. According to the mobile stowage safety protection device, the braking rails and the braking modules are added on the structural basis of the mobile stowage device of the beacon vessel, and used for auxiliary braking during running of the mobile stowage device, thereby effectively improving the braking force of the whole mobile stowage device, solving the problem that when the inertia force is large under the severe storm condition, the braking force is not enough due to dependence only on the self-locking force of a running motor, protecting a running rack from slippage, and even protecting a stowage box from overturning and other unfavorable conditions. Accordingly, the sail-out safety under the severe storm condition can be guaranteed.

The invention discloses a forming method of a negative-curvature composite material grid structural member, which comprises the following steps of: laying prepreg filaments for forming negative-curvature grid ribs in a grid mold, breaking the prepreg filaments in a node area when the prepreg filaments are laid, scattering the tail ends of the prepreg filaments, laying the prepreg filaments to an adjacent area of a negative-curvature grid, and alternately laying the prepreg filaments and prepreg for forming an end frame, so as to form the negative-curvature composite material grid structural member. The application range of the grid structure is expanded from a simple rotation structure to a rotation-like complex surface, the limitation of bridging and periodicity of an existing forming process is broken through, and automatic forming of the negative curvature grid structure with negative curvature and non-periodicity can be achieved. The invention further discloses the negative-curvature composite material grid structural part obtained through the forming method based on the negative-curvature composite material grid structural part. The negative-curvature composite material grid structural part can be applied to research and production of spaceflight rocket body grid cabin sections, aircraft fuselages, wings and the like.

According to the circuit breaker failure protection anti-maloperation improvement method and system, a starting failure protection signal serves as an outlet enabling signal or an outlet control signal of circuit breaker failure protection, and improvement of circuit breaker failure protection opening logic is achieved; according to the improved protection logic and method presented by the invention, in practical application, an improved circuit breaker failure protection input signal is consistent with an original circuit breaker failure protection input signal, and only the circuit breaker failure protection logic needs to be changed or only one relay or linked switch needs to be added; therefore, circuit breaker failure protection maloperation caused by secondary circuit interference and other abnormalities of the circuit breaker failure protection device can be avoided, and the workload and the operation and maintenance cost of operation and maintenance personnel are greatly reduced. The method is easy to deploy and apply to transformation, wide in application range and considerable in expected generalization and economic benefits.