398results about How to "Improve technical performance" patented technology

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC/DC buck converter (20), an AC/DC converter (30), an ultra-capacitor assembly (40), a DC/AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine/commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC/DC buck converter (20); the wind generator (80) and the oil engine/commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC/DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

The mixed energy storage device for elevator includes super capacitor bank, accumulator set, super capacitor charging and discharging circuit, charging and discharging circuit for accumulator. Through super capacitor charging and discharging circuit, super capacitor bank is connected to DC bus in power supply system for elevator. Through charging and discharging circuit for accumulator, accumulator set is connected to DC bus. Using circuits for controlling charging and discharging super capacitor and accumulator, the invention realizes uninterrupted power supply and power buffering. Features are: minimizing installed capacity of super capacitor bank and accumulator set, optimizing working state of charging and discharging accumulator set, reducing number of charging and discharging cycle and prolonging service life etc. In the mixed energy storage device, accumulator set exchanges energy with DC bus only through one stage of DC/DC so as to raise efficiency of storing energy greatly.

The hybrid energy-storing device for elevator comprises: a super capacitor bank [10], a battery bank [20], a charge-discharge circuit [30]/[40] for [10]/[20], and a control circuit [50]/[60] for [30]/[40]. Wherein, connecting [10] with dc bus bar and [20] through [30] and [40] respectively. This invention improves performance, reduces cost, and prolongs battery lifetime.

The invention relates to an accumulator charging system, which comprises a three-phase alternating current power supply (10), an AC/DC convertor (20), a super capacitor group (30), a DC/DC bidirectional convertor (40) and an accumulator group (50), wherein the super capacitor group (30) is connected with the DC/DC bidirectional convertor (40) through a direct current bus (11). The DC/DC bidirectional convertor (40) is connected with the accumulator group (50)through an accumulator charging interface (102). The three-phase alternating current power supply (10) is connected with the AC/DC convertor (20) through an electric interface (101). The accumulator charging system can achieve conventional charging mode which comprises constant current, constant voltage and the like through controlling the DC/DC bidirectional convertor (40), can further generate positive and negative current impulse whose amplitude and width can be adjusted, achieves pulse charge to the accumulator group (50), provides particle or full electric energy by the super capacitor group (30) in a positive-going pulse period, absorbs electricity in a negative-going pulse period, lowers the charging grade of a charging power supply, and improves the energy utilization efficiency of the accumulator charging system.

A preparation method of a deep sea cable filling strip relates to a preparation method of a conductor filling strip. The preparation method comprises the following process steps: mixing rubber, a vulcanizing agent, a vulcanization accelerator, an antiager, a plasticizer, a reinforcing filler and a tackifier in parts by weight; and then calendering, slitting and packaging to obtain the finished product. The method has a simple production technology, stable technical properties and high practicability; the product is used in the cable and the cable core of the optical cable, the product has high strength, uniform thickness and a good saturated water absorption effect and has the functions of shielding and buffering the electric field; and the product also has viscoelasticity, thus the filling cable core is stronger and the service life of the optical cable can be prolonged.

The overall hydraulic electric forklift hydraulic system comprises the hoist oil cylinder, slanting oil cylinder formed slanting lifting device, steering device mainly made of the deflector and the steering oil cylinder, hydraulic motor, hydraulic motor brake and its speed regulating valve. The above mentioned three devices can get hydraulic energy form a generator driven gear pump, the said gear pump generated hydraulic energy divided into two ways, one passing through the optimal valve supplying to the said steering device and several valve controlled lifting device, the other way going to the control valve and converting brake valve drive device through change-over valve. It can replace variable pump for the control of the generator gear pump through electricity, getting rid of the low efficiency, big energy consumption, high oil temperature, long time damage to the hydraulic motor, traveling, and poor brake stability.

The invention discloses a method for preparing male sterile bodies of argopecten irradians. Argopecten purpuratus which is homogeneous with the argopecten irradians, has the same chromosome number and similar gamete form and size as the argopecten irradians and is androgynous is selected to hybridize with the argopecten irradians so as to prepare male sterile bodies. The testes of the male sterile bodies are gradually substituted by ovaries together with the development of gonads; and when the gonads are mature, the whole gonads are orange red special in female, can only produce ova and cannot produce sperms. The method disclosed by the invention has the advantages of high proportion of sterile bodies, stable technical effect, relative simpleness, easiness for popularization.

The invention relates to the technical field of paint, in particular to sand-in-water multicolor paint. The sand-in-water multicolor paint is prepared from base paint, a mixing auxiliary material and a blending auxiliary material. The component ratio of base paint to a mixing auxiliary material to a blending auxiliary material is (80-120):(70-90):(130-150). The component ratio of the base paint to the mixing auxiliary material to the blending auxiliary material is 100:80:140. The sand-in-water multicolor paint has the richness of water-based multi-color points, has the texture of stone-like paint and is stable to store, the weather resistance and the water resistance can completely meet national standard requirements, and the scouring resistance is higher than the national standard.

The invention relates to a braking-free brick mainly prepared from polyaluminum chloride waste residues and red mud and a preparation method thereof. Raw materials for preparing the braking-free brick comprise the red mud, the polyaluminum chloride waste residues, an active mineral material, lime and gypsum. The preparation method comprises the following steps: uniformly mixing the raw materials in proportion, adding 8-12 parts of water, stirring, mixing, carrying out compression molding, sprinkling water and curing. The preparation method has the advantages that the red mud and the PAC (polyaluminum chloride) waste residue are used as the main raw materials, pulverized fuel ash, cement, the lime and the gypsum are added, so that the using amount of an excitant is reduced, the strength of the brick is improved, the usability of the braking-free brick can be improved, meanwhile the national standard requirements are completely satisfied, a gel material does not need to be added in a production process, the heat energy does not need to be consumed, the accumulation of the red mud and the PAC is reduced in a larger sense, and the pollution to environments due to the emission of the red mud and the PAC waste residues is solved.

The invention discloses a rechargeable battery formed by lithium ion batteries and a control method. An external-anode charge-discharge control device, lithium ion batteries and a cathode end cover are encapsulated in an outer shell to form a common rechargeable battery containing the external-anode charge-discharge control device and the lithium ion batteries. A contact point of an anode end cover in the external-anode charge-discharge control device is exposed out of one end of the outer shell to serve as the anode of the rechargeable battery, and the cathode end cover is exposed out of theother end of the outer shell to serve as the cathode of the rechargeable battery. A control circuit of the externa-anode charge-discharge control device is utilized to reduce the higher voltage output by the lithium ion batteries to 1.5V for voltage-stabilized output, and when the power of the lithium ion batteries is low, the higher voltages are reduced to the lower power prompt voltage such as 1.0V for voltage-stabilized output. The technical performances of the rechargeable battery reach or are superior to those of traditional common batteries and nickel-hydrogen charging batteries, and the rechargeable battery provided by the invention can replace the traditional common batteries and nickel-hydrogen charging batteries directly.

The mixed energy storage device for elevator includes super capacitor bank, accumulator set, super capacitor charging and discharging circuit, charging and discharging circuit for accumulator, circuit for controlling charging and discharging super capacitor, circuit for controlling charging accumulator, and circuit for controlling discharging accumulator. Through super capacitor charging and discharging circuit, DC bus is connected to super capacitor bank; and through charging circuit for accumulator, the super capacitor bank is connected to the accumulator set. Thus, energy flows to the accumulator set from the super capacitor bank. Through discharging circuit for accumulator, accumulator set is connected to DC bus; and energy flows to DC bus from the accumulator set. The invention realizes uninterrupted power supply and power buffering. Features are: minimizing installed capacity of super capacitor bank and accumulator set, optimizing working state, and prolonging service life.

The invention discloses a wind-electricity variable pitch UPS system based on super-capacitors and the control method thereof. The UPS system comprises a super-capacitor group(10), a charge and discharge circuit(20), a control circuit(30) and a contactor(50). The super-capacitor group(10) is connected with the charge and discharge circuit(20) which is in connection with a DC generatrix(40)through the contactor(50); the control circuit(30), connected with the charge and discharge circuit(20), controls the operation of the charge and discharge circuit(20), and the whole system is connected or not with the DC generatrix(40) through the control of the contactor(50). The UPS system makes use of the control circuit(30) to control energy to flow in two ways between the super-capacitor group(10) and the DC generatrix(40), thus realizing continuous power supply. The UPS system is based on a simple principle and is flexible in structure; meanwhile, the high efficient charge and discharge control strategy can improve energy utilization ratio of the super-capacitor group and reduce installation content and cost of the system, thus greatly improving the technical performance and economic performance of the system.

The invention discloses a method for detecting the temperature field of a calcination rotary kiln and a device thereof. The method comprises the following steps: mounting a group of temperature thermocouples in the inner lining of the kiln body of the calcination rotary kiln in the axial direction of the kiln body; determining the amount and the distribution clearance of the thermocouples according to the requirements for measuring the precision of temperatures on the preheating section, the calcining section and the cooling section of the calcination rotary kiln; and connecting each thermocouple with the wireless communication box mounted on the shell of the calcination rotary kiln body, so that the wireless communication box can transmit the temperature signal of each thermocouple to a computer analysis system on a real-time basis. The invention has the advantages that the real-time measurement of the distribution of the temperature field of the overall rotary kiln is realized; the most authentic material temperatures can be directly measured without being interfered by the flue gas and the flame in the kiln; the construction cost of the complete set of devices is far lower than that of the prior infrared thermometer system; the spare parts are cheap, and the maintenance and the replacement are convenient, therefore, the production cost and the maintenance cost are reduced; and the technical characteristic is reliable, therefore, the failure rate is low. As accurate measurement is realized, the invention provides a calcination control system with strong support for improving the automatization.

The invention discloses a buried efficient treater of initial rainwater. The buried efficient treater integrates coagulating sedimentation, air flotation, quick filtration and intelligent detection and features small floor area, high treatment efficiency and high load resistance; treatment level of the initial rainwater can be automatically adjusted according to water conditions, the initial rainwater is quickly subjected to coagulating sedimentation, air flotation, water reoxygenation, filtration and the like, energy is saved, ideal cleaning effect is achieved, remote supervision is available, mangers are allowed to monitor the flow of a drainage network and the water conditions anytime and anywhere and monitor the treatment state of rain sewage in the treater, remote intelligent control is available, management of a rain sewage network is greatly facilitated, and the ability of people to control the rain sewage is improved.

The invention discloses a fabricated type reactive powder concrete prefabricated pavement slab without a reinforcing rib and a manufacturing method thereof. A slab body is a material plate made from reactive powder concrete; layers of horizontal steel wire gauzes are respectively spread in the reactive powder concrete material plate and are close to upper and lower surfaces; hoisting embedded parts which run through in the vertical direction are respectively arranged at the four corners, wherein the two ends of the hoisting embedded parts are connected with lifting appliances. When the fabricated type reactive powder concrete prefabricated pavement slab without the reinforcing rib is manufactured, the fluidity of the reactive powder concrete is controlled to avoid deformation of the pavement slab in the later-period manufacturing process, and the fabricated type reactive powder concrete prefabricated pavement slab without the reinforcing rib is maintained naturally indoors to ensure the total quality of the pavement slab. Compared with a common concrete pavement slab, the pavement slab has the advantages of no reinforcing rib in structure, small thickness, portability, light weight, convenience in transportation and installation, high intensity, wear resistance, high bearing capability, good anti-impact performance, good anti-fatigue performance, good weather resistance, and fast and efficient construction, repeated use, and can be widely applied to road construction of temporary building living quarters.

The invention provides an internal curing process for improving the performance of high strength and slight expansion concrete, which comprises: mixing and stirring sand and stones, adding a gelled material, an expanding agent and a super absorbent resin; stirring the mixture for 30 seconds, adding water and a water reducer and stirring the mixture for 120 seconds; and filling the mixture into a mold. The water absorption of the super absorbent resin is between 150 and 300 times, the salt solution absorption capacity of the super absorbent resin is between 15 and 40 times, and the added amount of the super absorbent resin is 0.15 to 0.30 percent based on the mass of the gelled material. The process solves the problems of insufficient expansion rate, contraction, cracking and damages of later-stage secondary ettringite generation to the internal structure of the concrete, which are caused by curing. The internal curing technique effectively improves the moisture field in the concrete, the internal moisture content of the concrete and the hydration degree of the concrete, contributes to the full generation of the ettringite in the slight expansion concrete and improves the internal porous structure and compactedness of the concrete.

The invention provides a cold-patch asphalt modified liquid and a production method thereof. The cold-patch asphalt modified liquid comprises the following components by weight: 5-8% of one or a mixture of butadiene styrene rubber (BSR) and styrene-butadiene-styrene (SBS), 3-5% of naphthenic oil, 3-5% of glycerol, 3-5% of dibutyl ester, 0-3% of an anti-stripping agent and the balance of heavy diesel oil. The production method of the asphalt modified liquid comprises the following steps: (1) screening an asphalt modifying agent through an oscillating screen with sieve pores of 0.6cm, and clearing away caking; (2) adding the asphalt modifying agent and the heavy diesel oil into a stirrer in proportion for stirring for 3-4 hours until the asphalt modifying agent is completely and uniformly dispersed in the diesel oil and turned into a light brown paste; and (3) adding the naphthenic oil, the glycerol, the dibutyl ester and the anti-stripping agent in proportion, together stirring the added components for 30-40 minutes, and then storing for later use. The cold-patch asphalt modified liquid has the advantages of long storage period, good operability, simple production process, abundant material resource, environment friendly production, convenience in use, and the like.

The invention discloses a drive type hot-melt spraying marking machine, which comprises a rack, and the rack is provided with a power-driven system, a heating system, a marking system, a travel system, a hydraulic control system, a pneumatic control system and a steering system, wherein the power-driven system is in drive connection with the travel system, the hydraulic control system and the pneumatic control system respectively; the hydraulic control system is in drive connection with the steering system; and the marking system is in drive connection with the hydraulic control system and the pneumatic control system respectively. In the invention, a hot-melt spraying coating is heated to be a molten condition through an infrared heating system and a heat-conduction-oil heat preservationcyclic system, and then is sprayed to specified positions through a hot-melt gun, and the like. The drive type hot-melt spraying marking machine has the advantages of high marking efficiency, no needof removing existing lines for redintegration, adjustable width and thickness of marking lines, high heating efficiency, sufficiency for combustion and flexible control of flames.

The invention discloses a coal-fired flue gas denitration and desulfurization method combined with the urea wet method. The method comprises the following steps: spraying 50wt% of hydrogen peroxide at the coal-fired flue gas inlet of a absorption tower while keeping the molar ratio of H2O2 to NO to be 2-3, so as to oxidize NO in the coal-fired flue gas to NO2 and increase the oxidization degree of NOX; and perform denitration and desulfurization simultaneously by using the urea aqueous solution in the absorption tower. The method of the invention increases the denitration rate of the coal-fired flue gas denitration and desulfurization combination technology by increasing the oxidization degree of NOX and the temperature of the absorption solution. The method has simple technology, convenient operation and management, no secondary pollution and good environmental and economic benefits.

The invention relates to a formwork combination reinforcing and supporting structure used in short-leg shear wall construction and a construction method thereof. The structure comprises formworks used for pouring a longitudinal short-leg shear wall and a transverse short-leg shear wall and split bolts between the formworks, and back supports of the formworks are composed of secondary edges and primary edges. The structure further comprises a plurality of horizontally arranged wall hoop bolts in the height direction of walls on the peripheries of the longitudinal shear wall formwork and the transverse shear wall formwork, wherein the wall hoop bolts are used for connecting and reinforcing a whole formwork enclosure system and the ends of the wall formworks in a tensioning mode. The lower portion of the formwork enclosure system is fixedly connected with short bolts pre-buried in last process, and tensile-connection bottom sealing is formed. For installation of the formworks of the short-leg shear walls, the structures of the formworks themselves are used in combination with the wall hoop bolts, therefore, the stability of a short-leg shear wall formwork supporting system is enhanced, the accuracy of the formworks in horizontal position and structure size is guaranteed, the effects on formwork supporting and reinforcement are achieved, and the purpose of lowering manufacturing cost is realized.