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1061results about How to "Improve creativity" patented technology

Technology for recovering water resources and salt from coking wastewater in coal chemical industry

A technology for recovering water resources and salt from coking wastewater in the coal chemical industry comprises the following steps: the wastewater is subjected to defluorination chemical treatment and subjected to sodium carbonate softening and precipitating treatment simultaneously, an advanced oxidation process is used for TOC (total organic carbon) degradation, a multi-medium and activated carbon filter is used for filtering separation, ultrafiltration is performed, nanofiltration membrane separation is performed, calcium and magnesium ions are separated, the calcium and magnesium ions in water produced through nanofiltration are lower than 2 mg / L, CaF2 crystallization scaling is hard to form, and nanofiltration passing liquid and nanofiltration strong brine are obtained; the nanofiltration passing liquid and the nanofiltration strong brine are treated respectively. Fluoride ions, hardness and organic carbon in the wastewater are removed, separation of multivalent salt and monovalent salt as well as concentration and evaporative crystallization of the salt is realized, more than 98% of the water resources is recovered, more than 95% of the salt resources are recovered, secondary hazardous waste is not produced, the system operation cost is reduced, and the problem about resource recovery and the environmental problem are solved finally.
Owner:湖南湘牛环保实业有限公司

Three-dimensional (3D) printer

The invention discloses a three-dimensional (3D) printer which comprises a rack, a base, an X-axis movement system, a Y-axis movement system, a Z-axis movement system and a printing device, wherein the rack comprises a left upright post, a right upright post, an upper connecting plate and a lower connecting plate; the upper connecting plate and the lower connecting plate are connected with the left upright post and the right upright post, respectively; the base is connected with the lower connecting plate; the upper connecting plate is connected with a printing supplies connecting rack; the printing supplies connecting rack is connected with a printing supplies fixing disc; the printing device is connected with the X-axis movement system; the X-axis movement system is connected with the Z-axis movement system; the Z-axis movement system is connected with a guide rail of the left upright post and the right upright post; the Y-axis movement system is connected with the base; the X-axis movement system is provided with an X-axis movement guide rail through which the printing device moves; a power supply and a controller which are connected with each other are arranged at the bottom of the base; the controller is connected with the X-axis movement system, the Y-axis movement system, the Z-axis movement system and the printing device. The 3D printer is simple and compact in structure, small in size and low in manufacturing cost.
Owner:UNIV OF JINAN

Outfield precision testing method for high-precision star sensor

The invention discloses an outfield precision testing method for a high-precision star sensor. Accuracy in calculation of a star pattern posture of the star sensor and frequency domain stripping of short-period error terms of the posture are realized by utilizing a procession correction formula, an earth rotation model, an atmosphere correction model and a power spectral density formula, and the posture measuring error of the star sensor can be rapidly and effectively analyzed and evaluated. According to the method, the hardware resource is not occupied, the method is realized by utilizing software and does not need the ground intervention. According to the method, by combining the posture identification principle of the star sensor and adopting a data smoothing method, the posture truth value of each frame star pattern moment is calculated, so that a foundation is established for the subsequent analysis on the posture measuring error; by adopting the method for combining the time domain and the frequency domain, the short-period error term is decomposed into an airspace low-frequency error, a high-frequency error and a time-domain error by virtue of the power spectral density analysis, so that reasonable data support is provided for further evaluation of the precision indexes of the star sensor, and the index performance of the star sensor can be improved.
Owner:BEIJING INST OF CONTROL ENG

Swirling electronic-controlled fuel injector of gasoline engine

InactiveCN101806265ASolve the problem of poor atomization effectPromote atomizationFuel injection apparatusMachines/enginesGasolineEngineering
The invention discloses a swirling electronic-controlled fuel injector of a gasoline engine. The swirling electronic-controlled fuel injector of the gasoline engine consists of an end cover, an iron core, a reset spring, an armature, a valve rod, a valve core and a valve seat which are connected axially in turn, and also comprises a coil frame and a coil arranged at the periphery of the iron core, a casing at the periphery of the coil, a guide sleeve movably matched with the valve core and an injection hole, wherein a flow guide slot is formed between the guide sleeve and the valve seat and communicated with an oil through hole 1 indirectly; a swirling chamber of a ring structure is arranged at the periphery of a sealed ring belt formed by the matching of the valve core and the valve seat in sealed way; the flow guide slot is tangent to the swirling chamber or communicated with the swirling chamber in a proximately tangent direction; the swirling chamber is communicated with the injection hole when the valve core moves upward; and the number of the injection hole is only one. The electronic-controlled fuel injector of the invention enables fuel oil to form high speed revolution in the swirling chamber to form umbrella-like spraying, thereby achieving good atomization effect, overcoming a conflict between the atomization and anti-clogging performance of the conventional electronic-controlled fuel injectors of the gasoline engines, and fulfilling the purpose of having good atomization effect and high anti-clogging performance.
Owner:临海弘征汽车电喷技术有限公司

Electric bicycle

ActiveCN102120480AEasy to spin (put) inEasy to spin (take) outRider propulsionVertical tubeVehicle frame
The invention discloses a two-wheel electric bicycle which mainly comprises a bicycle body and standardized parts, wherein the bicycle body mainly comprises a frame, a battery case, a controller case, a chain cover, a front decorating plate, a rear decorating plate, a hanger panel, a protective pad and the like. The frame mainly comprises a head tube, an upper tube, a lower tube, a vertical tube, a loop lug, a bottom fork, a bottom fork axle tube, a vertical fork, a fork joint strip, a fork branch tube, a hanger branch tube, a hanger main tube and the like, wherein the lower tube includes a front lower tube and a rear lower tube, the frame and hangers are assembled and welded into a whole, the upper tube and the vertical fork are integrated into a coherent arc arch, the vertical tube spans over the middle upper part of the upper tube, and the rear lower tube, the bottom fork and the hanger branch tube are connected into a whole by an axis which is a tangent. The controller case is arranged behind the battery case, the battery case and the controller case are arranged in a space defined by the upper tube, the rear lower tube, the loop lug, the bottom fork and the vertical fork, the battery case is arranged at the middle part of the bicycle, and the battery case can be conveniently screwed (put) in or screwed (taken) out from the side of the frame just by rotating the battery case around a positioning arc surface at the lower part of the bicycle. All plastic parts are wrapped in a frame metal piece with a frame structure.
Owner:TIANJIN XINHE TECH +1

Press-fitting production line for hub assemblies

The invention discloses a press-fitting production line for hub assemblies. The press-fitting production line comprises a circulatory conveying assembly and a part press-fitting mechanism; the circulatory conveying assembly comprises a support and a plurality of supporting brackets arranged on the support, and the multiple supporting brackets are used for conveying hubs on the support in a circulation mode so that the hubs can undergo the press-fitting work of each process; and the part press-fitting mechanism comprises a lower bearing outer ring pressing machine, an upper bearing outer ring pressing machine, an ABS gear ring pressing machine and a bolt pressing machine, wherein the lower bearing outer ring pressing machine, the upper bearing outer ring pressing machine, the ABS gear ring pressing machine and the bolt pressing machine are arranged along the support, the lower bearing outer ring pressing machine is used for carrying out press-fitting on lower bearing outer rings of the hubs, the upper bearing outer ring pressing machine is used for carrying out press-fitting on upper bearing outer rings of the hubs, the ABS gear ring pressing machine is used for pressing ABS gear rings on the hubs, and the bolt pressing machine is used for pressing bolts on the hubs. The press-fitting production line for the hub assemblies has the advantages of being high in automation level and safe and saving energy and is suitable for being widely popularized and used.
Owner:GUANGDONG FUWA HEAVY IND
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