17results about How to "Extend stable running time" patented technology

The invention relates to a power transmission line anti-vibration device failure monitoring system based on a friction nano-generator, and the system comprises an energy collection module which is realized based on the friction nano-generator and is used for collecting vibration mechanical energy on a power transmission line and converting the vibration mechanical energy into electric energy to achieve the self power supply of the system; the energy management module is used for processing the electric energy converted by the energy acquisition module into an electric energy form required by the system and storing redundant electric energy; the distance sensing module is used for measuring the distance of the damper relative to a set reference point position and transmitting a measured distance signal back to the comprehensive control module; the comprehensive control module is used for receiving the distance signal and judging whether the vibration damper looses and slides relative to a set reference point position or not, and if yes, an early warning signal is generated and sent to the wireless communication module; and the wireless communication module is used for sending the early warning signal to a maintenance station server. The system is beneficial to continuous and online monitoring of the state of the anti-vibration device of the power transmission line, and is low in energy consumption, high in stability and low in implementation cost.

The present invention is an airtight device suitable for an incineration grate furnace, comprising a blower, a pipeline, a first metal hose, a second metal hose, a flange assembly and a joint; the flange assembly comprises a flange, a bent pipe, a positioning rib plate, a fixing nut, a connecting bolt, a vent, a slot and a sealing ring; the flange is divided into two parts, and is butt-jointed and assembled by fixing nuts and connecting bolts; a slot for installing a sealing ring is arranged inside the flange; a vent is reserved in the flange, and the bent pipe is welded to the reserved vent; the positioning rib is welded to the flange; the bent pipe is completely sealed with the vent on the flange; the positioning rib connects the flange to the sealing box; the connecting bolt and the fixing nut assemble the flange; the blower, the pipeline and the first metal hose are connected to each other, and the joint connects the second metal hose to the bent pipe. The airtight device of the incineration grate furnace of the present invention can effectively prevent smoke, dust and ash from leaking through the active area of ​​the driving push rod.

The utility model discloses a kind of from production acid-base's concentrated seawater bromine extraction resource system, it is related to seawater resource technology field, including parallel coupling configuration's air blow method seawater bromine extraction system and bipolar membrane acid-base system;On the basis of seawater bromine extraction system using air blow method, introduce bipolar membrane electrodialysis as bypass system, handle part seawater, obtain the acid-base of satisfying production requirement concentration, use acid for subsequent seawater acidification process, alkali is used to neutralize the acidic bromine extraction mother liquor generated.The method does not affect the original seawater bromine extraction process under the premise, by adjusting the acid-base concentration and feed liquid treatment capacity of bipolar membrane acid-base system, both can satisfy seawater bromine extraction process system's acid-base use demand, also can produce economic value's acid-base product outside sale according to actual operation situation.In the realization of waste liquid standard discharge, reduce the demand of enterprise acid-base acquisition, can provide feasibility strategy for enterprise cost reduction and efficiency improvement.

The application belongs to the technical field of pressurized gasification device and water treatment, and particularly discloses a gasification ash water quality optimization device and an optimization method thereof. The device comprises a flash evaporation system and a sedimentation system. The flash evaporation system comprises a high-pressure flash tank, a saturated hot water tower, a high-flash condenser and a high-pressure flash separator which are sequentially connected in sequence. The sedimentation system comprises a plurality of sedimentation tanks, and the sedimentation tanks comprise a sedimentation tank body A for removing turbidity and a sedimentation tank body B for removing hardness. The high-pressure flash tank is used for treating black water from a gasification furnace and a washing tower. The high-pressure flash tank is connected with a low-pressure flash tank. The low-pressure flash tank is connected with an oxygen remover, an acid gas condenser and an acid gas separator. The acid gas separator is connected with the sedimentation tank. The gasification ash water quality optimization device and the optimization method thereof are reasonable in design, simple in structure, safe and reliable, convenient to use, and have good popularization and application value.

A computer storage hard disk testing device disclosed by the present invention comprises supporting legs, and further comprises a storage assembly, a driving assembly and a data transmission assembly, the tops of the supporting legs are fixedly connected with an aging test machine body, the front side of the aging test machine body is hinged with a protective door through a hinge, and the left side of the aging test machine body is fixedly connected with an air heater. And a temperature display instrument is arranged on the front surface of the protective door. According to the invention, the fan-shaped dispersion of the hard disks can increase the distance between the hard disks and reduce the heat conduction between the hard disks, so that the temperature accumulation is reduced, and meanwhile, the dispersion layout is beneficial to free circulation of air between the hard disks and acceleration of heat dissipation, so that the hard disks are kept at a lower working temperature, and the heat dissipation efficiency is improved by reducing the temperature. Test errors caused by thermal interference can be reduced, the accuracy of test results can be improved, meanwhile, the stable operation time of the hard disk in the aging test can be prolonged, and therefore the performance and the service life of the hard disk can be evaluated more comprehensively.

The invention discloses a double-roller crusher. The double-roller crusher comprises a box body, a first roller wheel, a second roller wheel, a first rotating shaft and a second rotating shaft, a feeding port is formed in the upper end face of the box body, the first roller and the second roller are arranged in the box body in a relative rotation mode, the first roller and the second roller are meshed in the horizontal plane in the first direction or arranged at intervals to form a material crushing area, and the material crushing area and the feeding port are oppositely arranged in the vertical direction. The first rotating shaft is arranged between the first roller and the top wall of the box body and extends in the axial direction of the first roller; the second rotating shaft is arranged between the second roller and the top wall of the box body and extends in the axial direction of the second roller. According to the double-roller crusher, the uniformity of crushed materials can be improved, abrasion or shutdown caused by material blockage can be avoided, the operation stability is high, the material treatment efficiency is high, the maintenance time can be shortened, and the cost can be reduced.

A method for decolorizing crude styrene, comprising: introducing the raw material after the reaction of crude styrene and a decolorizer into a decolorizing and refining tower, wherein a structured packing is filled above the feed port of the decolorizing and refining tower, and a tower plate is arranged below the feed port, wherein the theoretical number of stages of the tower plate is 0.3-6, and after vacuum distillation, refined styrene is distilled from the top of the decolorizing and refining tower, part of which is refluxed into the top of the decolorizing and refining tower, and the rest is discharged from the tower top product pipeline, and the liquid flowing out from the bottom layer of the tower plate of the decolorizing and refining tower is introduced into the heat exchange tube of the falling film evaporator located outside the tower kettle, flows from top to bottom, and is heated by the heating medium in the shell of the falling film evaporator, and then returns to the lower part of the tower kettle of the decolorizing and refining tower, a part of which is discharged from the bottom of the decolorizing and refining tower, and the rest is returned to the heat exchange tube of the falling film evaporator, wherein the decolorizer is a diene-philic compound. The method can extend the stable operation cycle of the crude styrene decolorizing and distillation device.

The present application belongs to the technical field of gas turbine, and particularly relates to a dismounting equipment for dismounting and mounting a bearing of a gas turbine, which comprises a shaft head structure and a dismounting tool, the shaft head structure comprises a thrust disc and a main shaft connected with the thrust disc, and the rear end of the thrust disc is connected with a thrust radial combined bearing; the dismounting tool comprises a fixing support, a cross beam guide rail, a travelling crane, a connecting plate and a counterweight support, the fixing support is used for being connected with the inner wall of an air inlet chamber of the gas turbine, one end of the cross beam guide rail is connected with the fixing support, the other end of the cross beam guide rail is connected with a gas turbine shaft head sealing flange in the gas turbine, the travelling crane can slide on the cross beam guide rail, one end of the travelling crane is connected with the shaft head structure through the connecting plate, the other end of the travelling crane is connected with the counterweight support, and the counterweight support is provided with counterweight blocks. The present application realizes the dismounting and maintenance of the bearing within a short time, greatly shortens the maintenance time and cost, reduces the influence on production and effectively prolongs the stable operation time of the gas turbine.

The invention discloses a top vertical air inlet electric bag composite dust collector, comprising an anode wire tensioning device (1), an anode tube (2), a cathode wire (3), a cathode hanging device (4), an air inlet pipe (5), a blowing device (6), an upper box (7), a flower plate (8), a filter bag (9), a bag cage (10), a middle box (11), an ash hopper (12), and an air outlet pipe (13). The middle box (11) is placed above the ash hopper (12). The blowing device (6), the upper box (7) and the flower plate (8) are arranged into four standard unit modules. The air inlet pipe (5) is vertically placed in the center of the four unit modules. The air inlet pipe (5) is provided with an anode tube (2) and a cathode wire (3). The four unit modules are placed above the middle box (11). The air outlet pipe (13) is installed on the side of the upper box (7). The invention combines the advantages of an electrostatic precipitator and a bag filter, has uniform airflow distribution, low operating resistance, extends the service life of the filter bag, reduces steel consumption compared to conventional bag filters, and has the characteristics of simplicity, practicality, high efficiency, etc.

The invention relates to an electric vacuum microwave device in the technical field of high-power microwaves, in particular to a frequency-locking phase-locking relativistic Cherenkov oscillator based on a channel mutual coupling mechanism. Dependence of a traditional relativistic klystron amplifier and a traction phase-locked oscillator on an external seed source is overcome, and field interaction between two mutually independent relativistic Cherenkov oscillators can be achieved by reasonably designing a coupling structure; according to the invention, an injection signal does not need to be additionally added, the inherent frequencies of the two systems are pulled, a section of nonlinear frequency chirp is carried out, and finally the frequencies of the two relativistic Cherenkov oscillators are pulled to the same frequency point, so that frequency locking and phase locking are realized.

The application relates to the field of semiconductor technology and discloses a method for improving the ion implantation uniformity of a high-energy ion implanter, which comprises the following steps: firstly, generating plasma with a density of 10^11 / m^3 in an arc chamber by optimizing ion source excitation parameters; then, establishing a mathematical model based on a mean square deviation formula, calculating a deviation coefficient of an injection beam current intensity in real time, and adjusting the moving speed of a scanning mechanism in a closed loop to realize dose compensation; in addition, a full solid-state radio frequency power supply and a multistage resonant cavity are adopted to reduce energy loss, and a composite structure manufactured by a vacuum brazing process is used to improve the thermal stability of an extraction system. In combination with atomic mass analysis and an energy screening model, the application precisely controls the beam quality from multiple dimensions such as a physical source, energy management and structural deformation. The method significantly improves the spatial uniformity and depth consistency of the implantation dose, and meets the requirements of high-precision, long-term stable ion implantation processes under advanced processes.

This invention relates to the field of material analysis and detection technology, specifically disclosing a method for determining the lithium isotope ratio of spodumene using laser ablation-multiple-receiver inductively coupled plasma mass spectrometry (ICP-MS). The method includes: adding water vapor to the laser carrier gas to achieve wet plasma conditions; performing laser ablation with a laser spot size of 24-45 μm and a repetition frequency of 2-4 Hz; using natural spodumene megacrystalline crystals or synthetic spodumene glass with uniform lithium isotope composition as calibration reference materials, alternating with the sample to be tested for ablation analysis, and using a cross-injection method to correct instrument mass deviations. This invention systematically characterized four candidate reference materials, whose δ... 7 Recommended Li values ​​were 12.85±0.31‰, 12.29±0.31‰, 12.37±0.35‰, and 4.74±0.30‰, respectively. This method optimizes the water vapor addition rate and laser ablation parameters, which can reduce carrier gas consumption, decrease mass fractionation, and δ... 7 The accuracy of Li determination has been significantly improved, making it suitable for in-situ micro-area analysis in the mineralization study of pegmatite-type lithium deposits.

The invention relates to the technical field of energy storage battery regulation and control, and discloses an electrochemical energy storage battery automatic regulation and control method and system for fire-storage combined frequency modulation, and the method comprises the steps: carrying out the time-frequency filtering decomposition and power grid frequency deviation calculation of a power grid signal, and generating the real-time regulation and control power of a thermal power generating unit and an electrochemical energy storage battery; constructing a multi-target fire storage joint frequency modulation target function and carrying out optimization solution to obtain an optimal regulation and control parameter; and regulating and controlling the charging and discharging power of the electrochemical energy storage battery by adopting the optimal regulation and control parameters. According to the invention, with maximization of the service life of the electrochemical energy storage battery and minimization of the operation cost of the fire storage system as targets, quantitative expression is carried out on the battery capacity performance, the battery temperature performance and the operation cost of the thermal power generating unit, and optimal regulation and control parameters are obtained through solving for fire storage combined frequency modulation. The rapid response capability of the energy storage battery and the continuous output capability of the thermal power generating unit are utilized to cooperatively adjust the power grid frequency, thereby ensuring the stable and economic operation of the power system.

The invention belongs to the technical field of coking chemical product recovery production, and particularly relates to negative pressure ammonia distillation equipment for preparing high-concentration ammonia water from low-grade heat energy and an application method. The device comprises a negative-pressure ammonia still, wherein a circulating heating assembly is arranged at the bottom of the negative-pressure ammonia still; the ammonia water storage tank is communicated with a reflux device at the upper part in the negative pressure ammonia still; the top end of the negative-pressure ammonia still is communicated with an ammonia inlet of the ammonia condensation cooler, an ammonia and ammonia water mixing outlet of the ammonia condensation cooler is communicated with an inlet of the vacuum circulation assembly, and an outlet of the vacuum circulation assembly is communicated with the ammonia water storage tank. The invention is used for solving the technical problems that a water ring vacuum unit used in the existing negative pressure ammonia distillation technology is easy to block, an adopted direct cooling tower needs low-temperature water for cooling, the energy consumption and the economic cost are high, and the ammonia water concentration of a product obtained by the existing ammonia distillation technology is lower.

The invention relates to the field of molecular sieves, and particularly discloses a nano H-Beta molecular sieve, the grain size of which is less than 40nm. The XRD spectrum of the molecular sieve shows that the molecular sieve has the strongest peak at the 2theta angle of 23 degrees; the nano H-Beta molecular sieve disclosed by the invention is uniform in particle size, can improve diffusion of reactant molecules, and has good selectivity; the molecular sieve also has more exposed catalytic activity sites, so that the molecular sieve is good in catalytic activity and high in stability, the carbon deposition generation rate can be remarkably reduced, the catalytic efficiency of the molecular sieve is improved, and the molecular sieve is particularly suitable for being used as a catalyst and is particularly suitable for being used as a catalyst in preparation of diisopropylbenzene.

This invention discloses a method for preparing a crude isocyanate product with low copper content. The method uses copper-consuming substances and an inert solvent suitable for phosgenation processes as copper removal additives. The steps include: removing unreacted phosgene from a photochemical reaction solution containing isocyanate, phosgene, and other impurities; mixing the photochemical reaction solution with the unreacted phosgene removed and the copper removal additive, and performing a complexation reaction under ultrasonic conditions; cooling the resulting reaction solution to precipitate Cu complexes, followed by solid-liquid separation; stripping the liquid phase after solid-liquid separation with hydrogen chloride, and then removing the inert solvent under reduced pressure to obtain a crude isocyanate product with low copper content. After treatment by the above method, the copper impurity content in the crude isocyanate product is less than 3 ppm, thereby effectively improving product quality, reducing system blockage problems in subsequent separation processes, and the process is simple and has low operating costs.

The application relates to the technical field of renewable bio-energy, in particular to a rare earth coordination-based anti-poisoning self-repairing catalyst and application of the catalyst in bio-jet fuel, wherein the catalyst is a Co-Ce bimetallic system loaded with a layered double hydroxide derivative composite oxide, the MgAl-LDH calcination product with a memory effect is used as a carrier, Co nanoparticles are used as main active metals, Ce 3+ / Ce 4+ Oxidation-reduction pairs are anti-poisoning self-repairing assistants. First, Ce 3+ is used to protect Co active sites by preferentially coordinating with sulfur / nitrogen poisons, then, in the oxygen-containing and regeneration stages, the memory effect of the LDH carrier is used to induce Ce species to redisperse, and Ce 4+ is reduced to Ce 3+ , the poisons are released, and activity regeneration is completed. In summary, the application solves the technical problem that existing hydrogen-deoxidization catalysts are easily poisoned and deactivated by sulfur and nitrogen impurities and cannot be regenerated in situ, and can greatly improve the economy of bio-jet fuel production.