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Cylindrical multi-lug lithium ion battery and preparation method thereof
InactiveCN103500844AImprove consistencyImprove production rateFinal product manufactureSmall-sized cells cases/jacketsEngineeringLithium-ion battery
The invention discloses a cylindrical multi-lug lithium ion battery and a preparation method thereof. The lithium ion battery comprises a cylindrical housing, a positive-electrode cover plate, a negative-electrode cover plate, a battery core wound body, and electrolyte. A protruding platform extending into the inner part of the cylindrical housing is provided on the negative-electrode cover plate. The battery core wound body is prepared by winding by using a positive-electrode sheet, a separation sheet, and a negative-electrode sheet. A plurality of lugs are arranged on the positive-electrode sheet and the negative-electrode sheet. The electrolyte is filled in the cylindrical housing. The plurality of lugs on the negative-electrode sheet extend to the center of the battery core wound body and are connected on the protruding platform. With the design structure, the plurality of lugs on the negative-electrode sheet are directly arranged on the protruding platform through a welding point, such that battery performance consistency and manufacturing yield are improved, internal space of the battery is saved, battery design capacity is improved, and cost is reduced. With the preparation process, no large-scale instrument and equipment is needed, and operation is simple. The method is suitable for automation transformation of production lines.
Owner:ZHEJIANG JINKAILAI NEW ENERGY TECH
Lithium ion battery system with high specific energy and ultra-low-temperature rate discharge
InactiveCN107910483AIncrease the charge cut-off voltageIncrease design capacityCell electrodesSecondary cellsCyclic processPolyolefin
The invention discloses a lithium ion battery system with high specific energy and ultra-low-temperature rate discharge. The lithium ion battery system comprises a positive electrode active material,a negative electrode active material, an electrolyte and a diaphragm; the positive electrode active material of the lithium ion battery system is a high-voltage lithium cobalt oxide material, and thecharging cut-off voltage is 4.3-4.5V; and the negative electrode active material is graphite. By selecting small-particle high-voltage lithium cobalt oxide positive electrode material, high specific energy is ensured while rate capability is improved; by adoption of soft carbon or hard carbon-coated artificial graphite, the low-temperature advantage can be played while co-embedding of an electrolyte solvent can be prevented; and a carbonic ester solvent combination capable of improving the low-temperature performance, a low-temperature synergistic additive and a high-voltage-resistant cyclingstabilizer are introduced to the electrolyte formula. The ceramic diaphragm disclosed in the invention adopts a dry method polyolefin film as the base material; and the single surface is coated with ananometer ceramic coating layer, so that the synergistic effects lies in keeping dry film high ventilation degree while improving retention rate of the electrolyte in the cycle process.
Owner:SHANGHAI INST OF SPACE POWER SOURCES
Large-capacity microwave photochemical catalysis wastewater degradation reactor with automatic reaction endpoint distinguishment
InactiveCN103204599AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisThree levelUltimate tensile strength
The invention relates to a large-capacity microwave photochemical catalysis wastewater degradation reactor with automatic reaction endpoint distinguishment, and the large-capacity microwave photochemical catalysis wastewater degradation reactor belongs to the technical field of wastewater treatment. The scheme is used for solving a series of problems of weak catalyst retaining link, small wastewater treatment capacity of a reactor single tank, insufficient circulation strength of the internal liquid, difficult degradation endpoint time distinguishment, in-situ strong dispersing incapability of a catalyst agglomeration material and the like in the related prior art. The reactor is structurally characterized by limiting a microwave irradiation scope so as to provide the possibility for expanding the reactor, strengthening the large circulation of the internal liquid, guiding the bubble flow to release to an important reaction area, utilizing an external cascaded three-level flushing type filter to finely block the catalyst particles, strongly dispersing the catalyst agglomeration material in situ, and cleaning a quartz tube, and automatically and immediately turning off a related power supply at a degradation endpoint time so as to avoid secondary pollution.
Owner:NINGBO UNIV
Microwave synergistic photocatalysis wastewater degradation reactor capable of avoiding secondary pollution of surplus ozone
InactiveCN103204565AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment by oxidationEngineeringLiquid circulation
The invention relates to a microwave synergistic photocatalysis wastewater degradation reactor capable of avoiding the secondary pollution of surplus ozone, and belongs to the technical field of wastewater treatment. In the existing related technologies, the problems of weak catalyst intercept link, low reactor single-tank treatment amount, high repeated operation frequency, insufficient internal liquid circulation intensity, incomplete ozone utilization, difficulty in distinguishing of degradation reaction endpoint time, incapacity of powerfully dissipating catalyst aggregates in situ, and the like exist. The scheme aims at solving the series problems in one packet. In the structure of the scheme, microwave irradiation areas are separated and limited; via the structure, an ozone-containing bubble flow is guided to a focus degradation reaction area; fine intercept for catalyst particles is realized by an external cascaded multi-stage backwash filter; via the structure, the catalyst aggregates can be powerfully dissipated in situ, and a quartz tube can be ultrasonically cleaned simultaneously; and an ozone sensor and the related mechanisms thereof are installed at the tail gas emission port of the microwave synergistic photocatalysis wastewater degradation reactor, and the related power supplies can be immediately turned off when the degradation reaction arrives at the end point.
Owner:NINGBO UNIV
Lithium-ion battery diaphragm with ultrathin coating layer
InactiveCN111180644AIncrease design capacityImprove performanceSecondary cellsCell component detailsElectrical batteryLithium-ion battery
The invention discloses a lithium-ion battery diaphragm with an ultrathin coating layer. The lithium-ion battery diaphragm comprises a flexible base film and coatings coating the two sides of the flexible base film, wherein the coatings are mixtures containing aluminum oxide particles, hydrotalcite and adhesives, and the thickness of the coatings is 0.8-2[mu]m. According to the lithium-ion batterydiaphragm with the ultrathin coating layer, the hydrotalcite inorganic material with excellent performance is added into the coating slurry, and free shuttling of lithium ions among the positive electrode, the negative electrode and the electrolyte is realized by utilizing hydrotalcite; meanwhile, by utilizing the features that the hydrotalcite has extremely strong hydrophilicity and a magnesiumaluminate crystal structure, the hydrotalcite can be coated on the two sides of the diaphragm with an extremely small size; therefore, the thickness of the coating layer of the battery diaphragm is greatly reduced, the design capacity of the lithium battery is improved; and the lithium battery diaphragm prepared by the method has the advantages of excellent comprehensive performance, mass production and the like.
Owner:镝普材料(深圳)有限公司
Photocatalytic wastewater degradation device with high-frequency ultrasonic-assisted separation membrane for removing attachments
InactiveCN103288262AIncrease design capacitySpeed up the cycleMultistage water/sewage treatmentUltrasonic assistedQuartz
The invention relates to a photocatalytic wastewater degradation device with a high-frequency ultrasonic-assisted separation membrane for removing attachments and belongs to the technical field of wastewater treatment. The photocatalytic wastewater degradation device aims at solving the problems of microwave energy waste, low single-tank wastewater treatment capacity, difficultly-distinguished reaction endpoint time, incapacity of powerfully dissipating catalyst agglomerates in situ, incapacity of detecting the occurrence of catalyst agglomeration in time, difficulty in eliminating catalyst precipitates on a membrane module, and the like, existing in the existing related technologies. Via the structure of the photocatalytic wastewater degradation device, a microwave irradiation airspace is limited, and great capacity expansion for a reactor is allowed; a catalyst is intercepted by an external cascaded multi-stage backwash-type filter stage by stage; the catalyst agglomerates are dissipated by a low-frequency ultrasonic wave, and incidentally, a quartz tube is cleaned simultaneously; a related power supply is automatically and immediately turned off at a degradation endpoint; the tendency of catalyst agglomeration can be warned; and the running of the backwash procedure of a membrane module is assisted by a high-frequency ultrasonic wave.
Owner:NINGBO UNIV
Reserve type lithium battery
InactiveCN101924224ASimple structureCompact structureDeferred-action cellsFinal product manufactureBattery capacityElectrolyte
The invention relates to a reserve type lithium battery which comprises a shell, an electric core and electrolyte, wherein the electric core and the electrolyte are positioned in the shell; and the reserve type lithium battery also comprises a valve which is fixed in the shell and used for isolating the electric core from the electrolyte. The electrolyte breaks through the valve and soaks the electric core at preset acceleration. The reserve type lithium battery of the invention has simple and compact structure and simple and easy manufacture process. The valve is directly fixed on the shell and occupies less internal space of the battery, and battery capacity is basically free from influence; and the invention is convenient to improve battery design capacity and shorten battery integral volume and meets the miniaturized and light-weight development tendency of the traditional battery. The battery can be in a shape of column, square, coin, button, and the like, and the reserve type lithium battery can be used as a single fuse and various ammunition fuses.
Owner:EVE ENERGY CO LTD
Photocatalytic wastewater degradation reactor expansion method for in-situ counteraction of catalytic agglomerates
InactiveCN103214130AExpansion design volumeNo need to worry about temperature rise effectWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisThree levelAutomatic control
The invention relates to a photocatalytic wastewater degradation reactor expansion method for in-situ counteraction of catalytic agglomerates, and belongs to the technical field of wastewater treatment. In the existing related technologies, the problems that a catalyst interception link is weak, the utilization of microwave energy is not ideal, the single-tank wastewater treatment capacity of a reactor is small, the major cyclic strength of internal liquid is insufficient, the ending time of degradation reaction is difficult to discern, and catalytic agglomerates can not be subjected to in-situ forced counteraction, and the like exist, and the method is designed for solving the problems. The method disclosed by the invention comprises the following main steps: drawing in the microwave irradiation range by using a metal cage; bunching and raising a bubble flow by using a megaphone-shaped component; expanding the size of a reactor; intercepting nano photocatalyst particles level by level by using an external cascaded three-level backwash filter; carrying out in-situ forced counteraction on catalyst agglomerates by using ultrasonic waves emitted from the bottom of the reactor, and simultaneously, cleaning a quartz tube; and monitoring a reaction process by using an ozone sensor, and automatically controlling related power switch mechanisms by using sensing electric signals.
Owner:NINGBO UNIV
Volume expansion method capable of warning terminal point for microwave photochemical catalytic wastewater degradation reactor
InactiveCN103183435AIncrease design capacitySpeed up the cycleMultistage water/sewage treatmentAir spaceVolume expansion
The invention relates to a volume expansion method capable of warning a terminal point for a microwave photochemical catalytic wastewater degradation reactor, belonging to the technical field of wastewater treatment. In the existing relevant technologies, the problems of waste of microwave energy, smaller single-tank wastewater treatment capacity, insufficient internal large circulation intensity, insufficient oxygen supply centralization degree in key regions, weaker catalyst micro-particle interception link, difficulty in distinguishing the time of the terminal point of degradation reaction, incapability of performing in-situ strong dissipation on catalyst agglomerates and the like exist, and the scheme is designed against the series of the problems. The method adopting the scheme mainly comprises the following steps: using microwaves restricted by a metal cage to irradiate an airspace to facilitate the great volume expansion of the reactor; releasing a bubble stream to a key degradation reaction region in a centralized manner; gradually intercepting catalyst micro-particles by using an external cascaded three-stage backwashing type filter; using ultrasonic waves emitted from the bottom of the reactor to perform the in-situ strong dissipation on the catalyst agglomerates and simultaneously carrying a clean quartz tube; and using an ozone sensor to sense the terminal point of degradation and using a sensed electrical signal to drive a related power supply control mechanism.
Owner:NINGBO UNIV
Preparation method of porous carbon coated aluminum foil material for lithium ion battery
InactiveCN110581279AImprove process capabilityIncrease design capacityElectrode carriers/collectorsSecondary cellsElectrolysisPorous carbon
The invention discloses a preparation method of a porous carbon coated aluminum foil material for a lithium ion battery, which comprises the steps of 1, taking an inert electrode as a cathode and an aluminum foil as an anode, dragging the aluminum foil through a roller to sequentially pass through an electrolytic bath for direct current electrolysis, and then cleaning and rolling the aluminum foilsubjected to direct current electrolysis to obtain an aluminum foil coiled material; 2, placing the aluminum foil coiled material into a vacuum heat treatment furnace, heating the aluminum foil coiled material to a temperature of 240-300 DEG C along with the furnace, conducting heat preservation for 2-4h, cooling the aluminum foil coiled material to a temperature of 40-80 DEG C along with the vacuum heat treatment furnace, and conducting air cooling to the room temperature; 3, preparing graphene, carbon nanotubes, conductive carbon black, a binder and butadiene styrene rubber into slurry; and4, coating the aluminum foil coiled material with the slurry through an intaglio coating technology to obtain the porous carbon coated aluminum foil material for the lithium ion battery. The method can improve the material processing capacity, improve the design capacity of the battery and improve the energy density of the battery.
Owner:成都格力钛新能源有限公司 +1
Sealing method for cylindrical battery
InactiveCN106972190AImprove liquid retention capacityImprove performanceFinal product manufacturePrimary cellsRubber ringHobbing
The invention discloses a sealing method for a cylindrical battery. The method includes the following steps that 1, a steel housing provided with a first bottom wall and a side wall, a hobbing cutter, a cover cap and a seal mold, wherein the thickness of the steel housing is M, the thickness of the hobbing cutter is N, the cover cap includes an upper rubber ring part and a lower rubber ring part, the thickness of the upper rubber ring part is L1, the thickness of the lower rubber ring part is L2, the seal mold includes a circular arc chamfering, and the height of the seal mold is h; 2, a groove is formed in the steel housing through the hobbing cutter by pressing, wherein the groove includes a second bottom wall and a third bottom wall; 3, the cover cap is placed in the steel housing; 4, an inner edge is formed by pressing the side wall with the seal mold. The distance between the surfaces, opposite to each other, of the upper rubber ring part and the lower rubber ring part is K, and the distance between the two surfaces, opposite to the inner edge, of the second bottom wall is H1, wherein H1=2M+h+L1(1-X)+K+L2*(1-X), the compression ratio of the upper rubber ring part is X and the compression ratio of the lower rubber ring part is X. The distance H2 between the surfaces, opposite to each other, of the second bottom wall and the third bottom wall of the groove can be adjusted through the thickness N of the hobbing cutter; the distance between the surface, opposite to the inner edge, of the first bottom wall and the surface, opposite to the first bottom wall, of the third bottom wall is H3, wherein H3=H4-H1-H2.
Owner:SHENZHEN ANDING NEW ENERGY TECH DEV CO LTD
Three-dimensional reel iron core of amorphous alloy transformer
ActiveCN105161259AIncrease design capacityImprove the effect of the finished productTransformers/inductances magnetic coresDistribution transformerAlloy
The invention discloses a three-dimensional reel iron core of an amorphous alloy transformer. A core column in the iron core of the transformer is composed of a plurality of amorphous alloy bands, the core column with any diameter size can be obtained, the phenomenon that the diameter of the core column is limited by the bandwidth size of bands in the past is avoided, the design capacity of the transformer is increased, and the finished product performance of the iron core of the transformer is improved. The three-dimensional reel iron core can be widely applied to large-capacity amorphous alloy distribution transformers, large-capacity amorphous alloy dry type transformers and amorphous alloy main transformers.
Owner:SHANGHAI ZHIXIN ELECTRIC AMORPHOUS +3
Ultraviolet light catalytic large capacity waste water degradation device with built-in agglomerate material-dissipation function
InactiveCN103224266AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisAir atmosphereConcentration ratio
The invention relates to an ultraviolet catalytic large capacity waste water degradation device with a built-in agglomerate material-dissipation function, and belongs to the technical field of wastewater processing technology. In conventional relevant technologies, problems of microwave energy waste, small waste water treatment capacity of a single tank, insufficient strength internal large circulation, short bubble rising path, insufficient oxygen supply concentration ratio in key areas, weak catalyst particle retention links, difficulty for distinguishing an end point of a degradation reaction, impossibility to powerfully dissipate agglomerate materials of the catalyst in situ, etc. Aiming at the above problems, the ultraviolet light catalytic large capacity waste water degradation device with the built-in agglomerate material-dissipation function is provided. According to the device, a metal cage is used to restrict microwave irradiation airspace, so that expansion of a reactor volume by a large margin becomes possible; the structure of the device is beneficial to strengthen supply of air atmosphere in the key degradation reaction areas; a cascaded three-stage back-flushing filter arranged out of the device is beneficial to fine retention of the catalyst particles; the structure can powerfully dissipate agglomerate materials of the catalyst in situ and simultaneously clean a quartz tube by ultrasonic waves incidentally; and the structure can automatically close relevant power supplies when the degradation reaction reaches the end point.
Owner:NINGBO UNIV
Middle-low-speed normal conducting maglev vehicle motor stator winding multi-segment distribution structure
InactiveCN105356718AIncrease powerHigh quality factorPropulsion systemsWindings conductor shape/form/constructionBogieLow speed
The invention discloses a middle-low-speed normal conducting maglev vehicle motor stator winding multi-segment distribution structure. A large linear motor is used at a single side of each carriage of a maglev vehicle, a stator winding of each large linear motor is divided into N segments of the same length and distributed on corresponding N steering frames, the distance between each segment of motors is 1 / N of motor pole distance, two adjacent segments of motor windings are arranged differently, and the phase sequence of the next segment of motor winding is lagged 60 degrees than that of the front segment of motor winding, thereby making air gap magnetic fields between each segment of motors continuous. The middle-low-speed normal conducting maglev vehicle motor stator winding multi-segment distribution structure can obviously increase efficiency and power of the motors, creates conditions for designing high-speed maglev vehicles. The similar design principle can be applied to a driving method of a linear asynchronous motor of wheel track vehicles such as light rails or subways.
Owner:SOUTHWEST JIAOTONG UNIV
Formula and application of double-ion battery positive electrode
ActiveCN113224294AGood adhesionIncrease design capacityMaterial nanotechnologyNon-aqueous electrolyte accumulatorsGraphiteNanotube
The embodiment of the invention discloses a formula and an application of a double-ion battery positive electrode, and relates to the technical field of double-ion batteries. The formula comprises, by weight, 87-95% of an active substance, 0.1-1% of a carbon nanotube conductive agent, 1-5% of conductive carbon, 2-6% of a binder and 1-7% of a softening agent. According to the technical scheme of the embodiment of the invention, the single-sided surface density of the positive electrode of the dual-ion battery can be increased to 15-30 mg / cm<2> from 9 mg / cm<2> in the prior art; the design capacity of a single battery is improved by 53%; and meanwhile, the problems of edge curling, cracks, belt breakage and the like in the coating process of the high-surface-density graphite positive electrode are solved, and the bonding strength is obviously improved.
Owner:REAL POWER IND LTD
Belt type biochar scattering sowing machine
ActiveCN104855027ASimple structureEasy to operateFertiliser distributersSowingAgricultural engineering
The invention discloses a belt type biochar scattering sowing machine. The belt type biochar scattering sowing machine comprises a frame, a feeding box, a transmission mechanism, a sowing mechanism and an adjustment mechanism; the frame is connected with the feeding box; the feeding box is connected with the transmission mechanism through a shaft; the transmission mechanism is fixed on the frame and the feeding box through a ball shaft; the sowing mechanism is fixed in the feeding box; the adjustment mechanism is provided with an adjustment plate which is used for controlling the sowing size; the adjustment plate is fixed on the feeding box. According to the belt type biochar scattering sowing machine, the structure is simple, the operation is convenient, and the practicability is high; during work, the traction is achieved through a tractor, a ground wheel serves as a conveyor belt power transmission source, a conveyor belt is driven by the transmission mechanism to run, the feeding box is arranged above the conveyor belt, and biochar is sown on the ground along with the running of the conveyor belt; the uniform biochar scattering is ensured due to the synchronization of the forward speed of the ground wheel and the forward speed of the traction tractor; the sowing is controlled by the adjustment mechanism of the biochar sowing machine and accordingly the quantitative sowing on the biochar can be implemented.
Owner:SHANGHAI JIAO TONG UNIV
Bullet-shaped battery
PendingCN111244525AIncrease design capacityMaximize headroomFinal product manufactureSmall-sized cells cases/jacketsElectrolytic agentCell fabrication
The invention belongs to the technical field of battery manufacturing, in particular to a bullet-shaped battery which comprises a battery shell. The battery shell comprises a lower cavity and an uppercavity, and the interior of the battery shell can be arranged by adopting various schemes. One scheme is that a roll core wound by a rectangular pole piece is arranged in the upper cavity, and the lower cavity is filled with electrolyte, so that the characteristics of long service life and high multiplying power are realized. The other one scheme is that a roll core structure which is formed by winding a trapezoidal or quasi-trapezoidal pole piece and is flat at the upper part and convex at the lower part, is adopted, so that the design capacity of the battery core is increased. The battery core of the bullet-shaped battery is suitable for small wireless Bluetooth earphones, the service life of the product is prolonged or the service life of a product battery is prolonged.
Owner:惠州惠峰科技有限公司
Dry type iron core reactor capable of realizing parallel capacitor grouping
InactiveCN102122562AIncrease capacityIncrease design capacityTransformers/inductances coils/windings/connectionsReactive power adjustment/elimination/compensationNuclear engineeringCapacitor
The invention discloses a dry type iron core reactor capable of realizing parallel capacitor grouping, solving the following problems: the existing reactive compensation complete equipment has high cost; and excessive compensation often occurs if switching is carried out and deficient compensation often occurs if switching is not carried out in the fields. The reactor comprises reactor iron cores. The reactor is characterized in that two coils are respectively wound on each phase of a reactor iron core and are wound in parallel at the same side; and incoming terminals and outgoing terminals are respectively led out of each coil. A reactor combines two types of capacity and can be connected with two capacitor groups with different capacity to complete switching of the capacitors with three types of capacity, so grouping of three groups of capacitors can be realized by adopting a dry type iron core reactor, thus reducing the quantity of the reactors, improving the compensation precision and lowering the equipment investment.
Owner:辽宁拓新电力电子有限公司
Method for expanding photochemical catalysis wastewater degradation reactor for avoiding residual ozone diffusion
InactiveCN103204566AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment by oxidationThree levelDiffusion
The invention relates to a method for expanding a photochemical catalysis wastewater degradation reactor for avoiding residual ozone diffusion, and belongs to the technical field of wastewater treatment. The scheme is used for solving a series of problems of weak catalyst retaining link, small wastewater treatment capacity of a reactor single tank, repeated operation frequency, insufficient circulation strength of the internal liquid, incomplete ozone utilization, difficult degradation endpoint time distinguishment, in-situ strong dispersing incapability of a catalyst agglomeration material and the like in the related prior art. The method mainly comprises the following steps of: limiting a microwave irradiation scope; bunching the rising bubble flow and guiding the bubble flow to an important degradation reaction area; utilizing an external cascaded three-level flushing type filter to block the catalyst particles level by level; using ultrasonic waves from the bottom of the reactor to strongly disperse the catalyst agglomeration material in situ, and cleaning a quartz tube; and adopting an ozone sensor to monitor a reaction process, and utilizing sensing electric signals to automatically control a power switch mechanism so as to immediately turn off a power supply at a degradation endpoint time.
Owner:NINGBO UNIV
Large-treatment capacity photocatalytic wastewater degradation reactor thoroughly depleting secondary ozone
InactiveCN103193347AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisEngineeringMicrowave irradiation
The invention relates to a large-treatment capacity photocatalytic wastewater degradation reactor thoroughly depleting secondary ozone, belonging to the technical field of wastewater treatment. In the related art, the problems of loss of a catalyst, waste of microwave energy, smaller single-tank capacity, insufficient internal liquid cycling intensity, non-complete ozone utilization, difficulty in distinguishing the time of the end point of degradation reaction and the like exist, and the scheme is designed against the series of the problems. The structure of the scheme is as follows: a microwave irradiation airspace is limited; an ozone-containing air bubble flow is bunched and led to a key reaction area; the structure adopts an external cascaded three-stage backwashing type filter to achieve stage-by-stage interception against micro-particles of the catalyst; materials for a filter element of the structure are not limited any more; an ozone sensor is further assembled at a tail gas exhaust port of the structure, and an output electrical signal is transmitted to a power supply controller linked with a magnetron and an air pump; and through the architecture, energy injection can be immediately closed when the degradation reaction achieves an end point, and the process of the excess ozone can be immediately terminated.
Owner:NINGBO UNIV
Boiler large-chamfer four-corner tangential firing technology and furnace arrangement method
ActiveCN102818258AGuaranteed safe operationImproved heat load distributionCombustion using gaseous and pulverulent fuelCombustion using liquid and pulverulent fuelEdge surfaceEngineering
The invention relates to a boiler large-chamfer four-corner tangential firing technology and a furnace arrangement method. The boiler large-chamfer four-corner tangential firing technology and the furnace arrangement method are characterized in that a whole furnace is sequentially divided into a cold ash bucket area, a lower furnace area and an upper furnace area from bottom to top, the lower furnace area is divided into a lower burner area and an upper burner area from bottom to top, the lower burner area and the cold ash bucket area are both provided with a first transition area, the lower furnace area and the upper furnace area are both provided with a second transition area, and four burners are arranged on four wider furnace corner chamfer surfaces in the lower furnace area in a four-corner tangential manner. By adopting large chamfers in furnace corner areas, wall surface areas for arranging the burners are increased substantially, the distance between a water wall of each furnace corner area and an outer edge surface of a rotating burning flame is shortened to a greater degree, jet distance of each burner is decreased, and part of burner energy consumption is saved. Moreover, thermal loads subjected by the water walls in the furnace corner areas are more approximate to an average thermal load, and uneven heating of the water walls in the furnace width or depth direction is improved to a greater degree.
Owner:SHANGHAI BOILER WORKS
Microwave synergetic photocatalytic wastewater degradation reactor with more thorough utilization of oxidizing power of ozone
InactiveCN103172135AIncrease capacityEasy to handleWater/sewage treatment by irradiationWater/sewage treatment by oxidationThree levelNuclear engineering
The invention relates to a microwave synergetic photocatalytic wastewater degradation reactor with more thorough utilization of oxidizing power of ozone, and belongs to the technical field of wastewater treatment. In existing associated technologies, problems that the intercepting link of a catalyst is weak, the single tank treatment amount of a reactor is small, the repeated operation frequency is high, the circulating strength of inner liquid is insufficient, ozone is incompletely utilized, the endpoint of degradation reaction is hard to distinguish and the like exist. The scheme aims to solve the above problems. The reactor is isolated in structure and the microwave irradiation area is limited. The structure co-bunches a rising ozone containing bubble flow and guides the flow to the degradation reaction area. Catalyst particles are precisely intercepted by an external cascaded three-level backflush filter. The filter core of the structure is not limited in material selection. An ozone sensor is further installed at a tail gas discharge port in the structure to transmit electric signals output to a power supply controller which connects a magnetron and an air pump. Energy injection can be closed when the degradation reaction arrives at the endpoint.
Owner:NINGBO UNIV
Large-scale photocatalytic wastewater degradation reactor getting rid of trouble of catalyst agglomeration
InactiveCN103224265AIncrease design capacitySpeed up the cycleWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisThree stageEngineering
The invention relates to a large-scale photocatalytic wastewater degradation reactor getting rid of trouble of catalyst agglomeration, and belongs to the technical field of wastewater treatment. A conventional related technology has the problems that the catalyst is lost, microwave energy is wasted, volume of a single tank is small, internal liquid circulation intensity is not enough, utilization of ozone is incomplete, an endpoint of a degradation reaction is difficult to distinguish, aggregation materials of the catalyst can not be dissipated in-situ, and the like. Aiming at the above problems, the large-scale photocatalytic wastewater degradation reactor getting rid of the trouble of the catalyst agglomeration is provided. A structure of the large-scale photocatalytic wastewater degradation reactor getting rid of the trouble of the catalyst agglomeration restricts microwave irradiation airspace, guides ozone air bubble stream to release toward a key reaction area, achieves step-by-step interception of catalyst particles by an external cascaded three-stage backflushing filter, can dissipate the aggregation materials of the catalyst in situ and clean a quartz tube incidentally, and can automatically close relevant power supplies in time when the degradation reaction reaches the endpoint, so that the energy waste can be prevented, and surplus and pollution release of the ozone can be completely eliminated.
Owner:NINGBO UNIV
Ultraviolet light catalyzed waste water degradation reactor dilatation method for self inspection of lamp source states
InactiveCN103382064ASignificantly expanded design capacityAvoid secondary pollutionMultistage water/sewage treatmentDegradation reactionWaste treatment
The invention relates to an ultraviolet light catalyzed waste water degradation reactor dilation method for self inspection of lamp source states and belongs to the technical field of waste water treatment. Problems that functions and states of electrodeless lamps cannot be known instantly, cavities of quartz tubes for shielding the electrodeless lamps have water burst, catalyst can be lost, microwave energy is wasted, capacity of single tanks is small, degradation reaction endpoint time is difficult to tell and the like exist in the prior art. The ultraviolet light catalyzed waste water degradation reactor dilation method is used for solving the problems and comprises: guiding one end of an optical fiber to the periphery of a quartz tube, enabling the end of the optical fiber to point to the inner cavity of the quartz tube, enabling the other end of the optical fiber to adhere to and point to a detection window of an ultraviolet light strength detector. The ultraviolet light catalyzed waste water degradation reactor dilation method further comprises other steps and totally solves all relevant problems.
Owner:李榕生
Large-capacity wastewater degradation reactor capable of infusing charge characteristics of photocatalyst particles
InactiveCN103253808AWeaken stubborn attachmentResists stubborn attachmentWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisElectricityMicrowave
The invention relates to a large-capacity wastewater degradation reactor capable of infusing charge characteristics of photocatalyst particles and belongs to the field of a wastewater treatment technology. The existing related background technique has the problems that a nano photocatalyst runs off, microwave energy is wasted, the single-pot wastewater treatment amount of a reactor is relatively small, a finishing moment of a degradation reaction is difficult to distinguish, a contact agent reunited object can not be forcedly dissipated in situ, the contact agent reunion can not be observed in time, the charge characteristics of contact agent particles can not be greatly utilized and the like, and the scheme aims to solve the problems. In the scheme, a metal cage can be used for restricting microwaves so as to greatly enlarge the reactor; the structure in the scheme strengthens inner liquid to be greatly circulated; the structure strengthens the interception of a contact agent by using a charge negative electricity hollow fiber membrane by Coulomb repulsion; the structure can forcedly dissipate the contact agent reunited object in situ and incidentally cleans a quartz tube in an ultrasound manner; the structure can automatically switch off a related power supply in time at a finishing point of degradation; and the structure can automatically detect main incentive parameters of the reunion of the contact agent.
Owner:NINGBO UNIV
Storage structure of automobile
InactiveCN110606026ASolve insufficient storage spaceEasy to operateLuggage compartmentPassenger spaceEngineeringAutomotive engineering
The invention provides a storage structure of an automobile, and belongs to the technical field of automobiles. By adopting the storage structure, the problems that automobile space is not reasonablyutilized, and objects of passengers in the automobile cannot be stored conveniently during a driving process without occupying sitting space in the automobile are solved. The automobile comprises a rear-row seat and a trunk; the storage structure comprises a storage box arranged on the rear surface of the rear-row seat and is located in the trunk; and a storage opening which communicate to the storage box is formed in the front surface of the rear-row seat. According to the storage structure, unnecessary waste of automobile space is greatly reduced by reasonably utilizing automobile space; besides, designed volume is large; passengers in the automobile can store the objects conveniently during the driving process without occupying sitting space in the automobile; and meanwhile, when a trail is collided, a buffering effect can be realized by the storage box, so that safety of passengers at the rear row can be properly improved.
Owner:GEELY AUTOMOBILE INST NINGBO CO LTD +1
Preparation method of heat-resistant high-breathability composite coated diaphragm
InactiveCN114421092AAperture adjustableControl shuttleCell component detailsSecondary cells servicing/maintenanceHydrotalciteSlurry
The invention discloses a preparation method of a heat-resistant high-permeability composite coated diaphragm, which comprises the following steps: firstly preparing MOF coating slurry and hydrotalcite coating slurry, then roller-coating the hydrotalcite coating slurry on two sides of a base membrane, and drying to obtain a semi-finished product hydrotalcite coating membrane; and with the semi-finished hydrotalcite coating film as a base film, coating two sides of the film with the MOF coating slurry by adopting a mixed coating method, and drying to obtain the heat-resistant high-permeability composite coating diaphragm. The composite coating diaphragm obtained by the method has thermal shrinkage resistance and high air permeability, and the safety performance and the cycle performance of the battery can be effectively improved.
Owner:JIANGSU HORIZON NEW ENERGY TECH CO LTD
Expanding method of non-polar ultraviolet catalytic wastewater degradation reactor capable of dispelling agglomerate
InactiveCN103214132AIncrease design capacitySpeed up the cycleMultistage water/sewage treatmentChemistryDegradation reaction
The invention relates to an expanding method of a non-polar ultraviolet catalytic wastewater degradation reactor capable of dispelling agglomerate, and belongs to the technical field of wastewater treatment. In existing associated technology, problems that microwave energy is wasted, the single tank handling capacity is smaller, the oxygen supply concentration ratio in key areas is insufficient, the intercepting link of catalyst particles is weaker, the finish time of degradation reaction is hard to distinguish, the catalyst agglomerate cannot be powerfully dispelled in situ and the like exist. The scheme can be used for solving the series of problems. The method mainly comprises the following steps of: cutting off a microwave radiation airspace; expanding the reactor; guiding a bubble flow which is released to the key areas in high strength; gradually intercepting the catalyst particles by an external cascaded three-stage backflush type filter; dispelling the catalyst agglomerate by ultrasonic wave from the bottom of the reactor powerfully in situ and meanwhile carrying a clean quartz tube; sensing the reaction progress by an ozone sensor, driving a power supply control mechanism by a sensing electric signal, and shutting down associated power supplies at the moment of the finish time of degradation.
Owner:NINGBO UNIV
Photocatalytic wastewater degradation reactor capable of actively preventing water inrush of quartz cavity
InactiveCN103319033AIncrease design capacityStrengthen the big cycle exerciseMultistage water/sewage treatmentDiaphragm pumpMicrowave
The invention relates to a photocatalytic wastewater degradation reactor capable of actively preventing the water inrush of a quartz cavity, which belongs to the technical field of wastewater treatment. The technical scheme aims at solving the problems of the water inrush of the cavity of a quartz tube for shielding an electrodeless lamp, the loss of nano-photocatalyst, the energy waste of a microwave, the low single-tank wastewater treatment amount of a reactor, the difficultly-distinguished endpoint time of degradation reaction, incapacity of powerfully dissipating catalyst aggregates, incapacity of immediately detecting the occurrence of catalyst aggregation, the corrosion on a magnetron due to the reverse flow of secondary ozone, and the like in the existing related technologies,. According to the scheme, a micro diaphragm pump capable of running in a normal state with low power consumption is connected to a connection gas tube between an air pump and the tube cavity of the quartz tube by means of bypass, the micro diaphragm pump can be used for providing continuous low-flow-rate air supplementation for the tube cavity of the quartz tube, so as to prevent the water inrush of the tube cavity of the quartz cavity; the microwave is restrained by a metal cage, so as to realize large-amplitude expansion for the reactor; the other problems are also solved in the scheme.
Owner:李榕生
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