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47results about How to "Guaranteed quality level" patented technology

Optimal configuration method of distributed combined cooling heating and power system

The invention discloses an optimal configuration method of a distributed combined cooling heating and power system. The optimal configuration method of the distributed combined cooling heating and power system includes the following steps of establishing a digital model library of various energy utilization and conversion forms of the distributed combined cooling heating and power system, wherein the model library comprises a energy model, a cost model and a pollutant discharge model; establishing a feasible configuration scheme library according to load requirements, constraint conditions and combination screening strategy, setting total configuration schemes in the configuration scheme library as N; conducting annual hourly operation strategy optimizing to each configuration scheme in the configuration scheme library according to an annual load demand curve, until working out annual operation cost, annual once energy consumption and annual pollutant discharged quantity of an ith configuration scheme, wherein the i is greater than or equal to N; and selecting a scheme which is the minimum in annual operation cost, the minimum in energy consumption and the minimum in pollutant discharged quantity or a scheme which is arbitrarily combined the minimum annual operation cost, the minimum energy consumption and the minimum pollutant discharged quantity as the best configuration scheme.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Cigarette blasting bead processing equipment and blasting bead grain size screening device

The invention discloses a blasting bead grain size screening device of cigarette blasting bead processing equipment. The blasting bead grain size screening device comprises a machine body, a feed chute arranged on the machine body and used for conveying blasting beads to be screened and a plurality of pairs of stepped roll shafts. Each stepped roll shaft is provided with a first step and a secondstep in the axial direction. The gap between every two adjacent first steps communicates with a discharge port of the feed chute, and the size of the gap is equal to the minimum grain size required value of each blasting bead. The gap between every two adjacent second steps is equal to or less than the maximum grain size required value of each blasting bead and is greater than the minimum grain size required value of each blasting bead. The blasting bead grain size screening device can conduct effective grain size screening on cigarette blasting beads through multistage screening of all the pairs of stepped roll shafts. Meanwhile, the problem of material blockage in the screening process is solved, the quality level of blasting bead cigarettes is guaranteed, and user experience is improved. The invention further discloses the cigarette blasting bead processing equipment. The cigarette blasting bead processing equipment has the beneficial effects of conducting effective grain size screening on the cigarette blasting beads through multistage screening of all the pairs of stepped roll shafts, solving the problem of material blockage in the screening process, guaranteeing the quality level of the blasting bead cigarettes and improving user experience.
Owner:CHINA TOBACCO GUIZHOU IND

Process for molding I-steel main welding seam non-back chipping full-penetration I-level component

The invention discloses a process for molding an I-steel main welding seam non-back chipping full-penetration I-level component and relates to a molding process of light thin-walled I-steel. The process comprises the following steps of preparing a plate, testing welding processing property on the plate, blanking and cutting a flange plate to form a technical beveled edge, cutting or shearing and leveling a technical triangular stiffening plate, positioning and performing full-length welding (single side and singe surface) on the technical triangular stiffening plate, performing submerged-arc door welding on the I-steel, performing ultrasonic (UT) flaw inspection on a main welding seam of an I-steel web, transferring the qualified I-steel component after inspection to the next procedure. When the I-steel is welded, the quality grade of the welding seam can be guaranteed to meet the requirement of full-penetration welding I grade, the deformation of the I-steel is small, back chipping on the opposite surface of a weld bead is not required, backing, filling and surface covering operations which are sequentially performed on the opposite surface of the weld bead are not required, the production cost is relatively low, the production efficiency is relatively high, and the requirements of advanced technology, energy conservation and environment friendliness on construction are met.
Owner:湖北源盛钢构有限公司

Design scheme of ultrahigh-temperature ultrahigh-pressure pore type heat exchanger/ evaporator

The invention provides a design scheme of an ultrahigh-temperature ultrahigh-pressure pore type heat exchanger/ evaporator. Special oval or semicircular or conical pores formed in a heat exchange unitare used for heat exchange. Heat exchange between the pores of small holes or micropores mainly based on clinging type multi-layer metal heat conduction is high in heat transfer coefficient and goodin heat transfer energy efficiency, the heat transfer temperature difference between the primary side and the secondary side is small, safe and stable heat transfer can be achieved between the pores under the extreme high temperature or extreme high pressure condition, and high efficiency, simplicity, safety and reliability are achieved. The pipe breaking and water loss accidents of a traditionalshell-and-tube heat exchanger under the ultrahigh-temperature ultrahigh-pressure work condition can be well avoided. Compared with a shell-and-tube heat exchanger with the same heat transfer capacity,the size, weight and manufacturing cost of the pore type heat exchanger are reduced by one third or above. Under the condition of proper heat exchange unit material selection and proper heat transferpore design selection, heat transfer under the extreme high temperature not exceeding 1000 DEG C or extreme high pressure not exceeding 1000kg under the severe heat transfer condition is supported. The pore type heat exchanger/ evaporator belongs to the technical field of heat transfer equipment and is mainly applied to the fields of nuclear power and thermal power, petrochemical engineering, chemical engineering and medicine, metallurgical energy, food and electronics and the like.
Owner:孟想

Design scheme of direct-current countercurrent hole channel type heat exchanger/evaporator

The invention discloses a design scheme of a direct-current countercurrent hole channel type heat exchanger/evaporator. According to the design scheme, specially-made circular, oval or long circular hole channels arranged in a heat exchange unit are used for direct-current countercurrent heat exchange, and heat exchange between hole channels of small holes or micro holes mainly based on multilayermetal heat conduction and heat convection is achieved, so that the heat transfer coefficient is high, the heat transfer energy efficiency is good, the heat stress is small, the heat transfer temperature difference is small, heat can be safely and stably transferred between the hole channels under the superhigh temperature and superhigh pressure conditions, high efficiency, simplicity, safety andreliability are achieved, and pipe breaking and water loss accidents of a shell-and-tube heat exchanger under the working conditions of ultra-high temperature and ultra-high pressure can be avoided; compared with a shell-and-tube heat exchanger with the same heat transfer capacity, the size, weight and manufacturing cost of the direct-current countercurrent pore channel type heat exchanger are reduced by more than one third, and heat transfer under the severe condition that the extremely high temperature is not higher than 1000 DEG C or the extremely high pressure is not higher than 1000 kg issupported; and the direct-current countercurrent hole channel type heat exchanger belongs to the technical field of heat transfer equipment and is mainly applied to the fields of nuclear power and thermal power, petrochemical engineering, chemical medicine, metallurgical hydrogen production and the like.
Owner:孟想

Method and system for iteratively updating high-fidelity land cover data

The invention provides a method and system for iteratively updating high-fidelity land cover data, and relates to the technical field of geographic space information. The method comprises the following steps of: obtaining a land cover background data set in a background layer; comparing the land cover background data set with a remote sensing image data set, and obtaining a plurality of background pattern spots and a plurality of pieces of change information according to a plurality of comparison results, wherein the background pattern spots comprise change pattern spots and pattern spots geometrically adjacent to the change pattern spots; respectively extracting a plurality of change pattern spots and a plurality of geometrically adjacent pattern spots to a change layer; updating the plurality of change pattern spots in the change layer according to the plurality of pieces of change information so as to obtain a plurality of updated background pattern spots; and respectively carrying out element-level replacement on the plurality of updated background pattern spots and the plurality of background pattern spots in the background layer so as to obtain land cover universal set data. According to the method and system, pattern spot profiles and topological structures of background data are strictly inherited, land cover updating operations are simplified, new topological problems are not generated, and quality levels of updated layers are ensured.
Owner:NAT GEOMATICS CENT OF CHINA

Method for establishing fingerprint spectrum of medicinal preparation of decumbent bugle herb

The invention relates to a method for establishing a fingerprint spectrum of a medicinal preparation of decumbent bugle herb. According to the method, decumbent bugle herb formula granules are taken as a detection object, a fingerprint spectrum aiming at the medicinal preparation is established, a traditional Chinese medicine chromatographic fingerprint spectrum similarity evaluation system is adopted to establish a control fingerprint spectrum, eight common characteristic peaks are calibrated, and harpagide at the first peak and acetyl harpagide at the third peak of the common characteristic peaks are confirmed; acetylharpagide at the third peak is selected as an internal reference peak, and the relative retention time of common characteristic peaks of the ajuga ciliata formula granules is determined; and the similarity between fingerprint of the sample to be detected and the contrast fingerprint is evaluated. According to the method disclosed by the invention, the quality of the medicine can be comprehensively and quickly detected, and comprehensive quality detection and overall quality control of the medicine are facilitated, so that the use safety and stability of the medicine are favorably improved. Meanwhile, the method has the advantages of high stability, high precision, high repeatability and the like.
Owner:CHINA RESOURCES SANJIU MEDICAL & PHARMA

Mixing ratio experiment device and method for ultra-high performance concrete

The invention discloses a mixing ratio experiment device and method for ultra-high performance concrete. The device comprises a raw material mixing mechanism and supporting mechanisms connected to the two sides of the raw material mixing mechanism, wherein a feeding mechanism and a cover body are connected to the upper portion of the raw material mixing mechanism, the cover body is fixedly connected to the upper portion of the feeding mechanism, concrete raw materials enter the feeding mechanism through the cover body, and under the weighing effect of the feeding mechanism, various concrete raw materials with certain mass in the feeding mechanism are preliminarily mixed and enter the raw material mixing mechanism for secondary mixing in the process that the feeding mechanism gets close to the raw material mixing mechanism. According to the device, multiple cavities are connected together, the concrete raw materials pass through the different cavities, are accurately weighed in the conveying process and then are evenly mixed through the mixing mechanism, after the concrete raw materials pass through the whole device, the various concrete raw materials are evenly mixed and flow out, and then the experiment result is more accurate after the concrete raw materials are put into an experiment.
Owner:CCCC THIRD HIGHWAY ENG

Producing method of vacuum glass with edge sealed under normal pressure and opening sealed under low pressure in vacuum furnace

The invention relates to a producing method of vacuum glass with the edge sealed under normal pressure and the opening sealed under low pressure in a vacuum furnace. The method includes: cutting plates, arranging supports, combining sheets, placing low-melting-point glass powder at the edge, placing air suction pipes on lateral sides and lateral corners, completing edge sealing during rising of interior temperature of a normal pressure furnace from 380 DEG C to 500 DEG C, taking the glass out of the furnace after cooling, moving the glass into the vacuum furnace for vacuumizing, sealing the air suction pipes by electric heating, putting vacuum glass abreast in the vacuum furnace, evacuating the vacuum furnace according to 1X10-1pa-1X10-5pa, controlling the furnace temperature from 100 DEGC to 310 DEG C, and switching on an electric heating device preset at the root of each air suction pipe to fuse glass tube seals. Vacuumization is performed when the vacuum temperature is lower than the edge sealing temperature, secondary melting of sealed low-melting-point glass powder and humidity in a vacuum cavity can be avoided, and high vacuum degree, high yield and low air leakage rate can be achieved. Further, partially sealing the air suction pipes can save energy effectively, production efficiency can be improved effectively by arranging the vacuum glass abreast and sealing the air suction pipes at fixed positions, and quality of the vacuum glass can be guaranteed.
Owner:TIANJIN GUSHANG VACUUM GLASS MFG

Profile finish machining method based on three-dimensional cam profile materialization model deviation compensation

The invention belongs to the technical field of part finish machining, and relates to a profile finish machining method based on three-dimensional cam profile materialization model deviation compensation. The method comprises the following steps of: 1) machining a sample piece according to a three-dimensional cam profile materialization model; (2) detecting radius deviation values delta r of a plurality of original detection qualified point positions and corresponding processing point position poles on the processing sample piece; 3) the delta r is converted into a vector component, and a plurality of new point locations are obtained through conversion; 4) reconstructing a digital model of the three-dimensional cam profile according to the plurality of new point locations and the pluralityof original qualified detection point locations; 5) performing numerical control programming processing on the digital model to obtain a newly processed sample piece; and (6) detecting that the detection results of the plurality of original detection qualified point positions and the corresponding new processing points are consistent on the new processing sample piece. According to the method, the three-dimensional cam profile digital model and the numerical control program can be quickly and accurately compensated and modified according to the measurement and detection result, namely the polar radius deviation value of the three-dimensional cam profile, the cost is low, and the product quality is stable.
Owner:XIAN AERO ENGINE CONTROLS

Corn thread arranging device

The invention relates to tire production equipment, in particular to a cord wiring device, which is provided with a wire arranging part, a wire wheel fixing part and a wire pressing guide part; 2. Connected with the shaft expansion frame, the wire rack is connected with the guide rail slider, and the lead screw is controlled by the motor, so that the fixed part of the wire wheel and the guide part of the pressure line are translated along the linear guide rail, and the shaft frame of the fixed part of the wire wheel is connected with the wire. The wheel and shaft are connected. The wire wheel extension roller connected to one end of the wire wheel mixing shaft can effectively fix the wire wheel coil, and the brake disc and brake connected to the other end realize the braking of the wire wheel extension roller. The pressure line guide part includes a cylinder, a cylinder Drive the pressure roller on the pressure roller frame connected with its telescopic end to rise and fall, and the coiled cord passes through the waist-shaped through hole, the guide hole of the pressure roller frame and the connection nozzle on the wire trough in turn to reach the pressure roller, so as to ensure that the pressure roller is correct. Cord force, effectively control wiring, improve automation, save time and effort, and reduce waste of resources.
Owner:WEIHAI SANFANG RUBBER MACHINERY

Production method of false twist draw-texturing yarns and detection method of over-tail joints in yarn false twist draw-texturing process

The invention discloses a production method of false twist draw-texturing yarns and a detection method of over-tail joints in the yarn false twist draw-texturing process. The production method of thefalse twist draw-texturing yarns comprises the steps of enabling multiple yarn coils sequentially connected end to end to be subjected to a false twist draw-texturing process; (1) enabling a yarn of the multiple yarn coils sequentially connected end to end to pass through a detection channel and then to be subjected to the false twist draw-texturing process, wherein the detection channel collectsthe position change information of the next yarn coil sequentially connected end to end switched from one yarn coil with the yarn passing through completely, and each collected position change information identifies an over-tail joint; and (2), when collecting one position change information, replacing a yarn coil with one over-tail joint coiled after false twist draw-texturing, and re-coiling a new false twist draw-texturing yarn, and so on. According to the method, the over-tail joints can be easily cleared, the quality of yarn coils is ensured, and meanwhile, through the automatic detectionof the over-tail joint information, the mis-recording or missing phenomenon easily occurred by excessive reliance on manual intervention is avoided, so that the efficiency is improved and the cost isreduced.
Owner:JIANGSU GUOWANG HIGH TECH FIBER CO LTD

A kind of fpc connector automatic production equipment

The invention discloses automatic production equipment for FPC connectors. The automatic production equipment for FPC connectors is characterized by comprising a first product vibratory conveying mechanism, a first main body pin accurate pushing mechanism, a front terminal inserting mechanism, a second product vibratory conveying mechanism, a second main body pin accurate pushing mechanism, a rear terminal inserting mechanism, a third product vibratory conveying mechanism, a product separating and carrying mechanism, a product front terminal flattening mechanism, a product rear terminal flattening mechanism, a product withstand voltage detecting mechanism, a product cover mounting mechanism, a product front terminal re-flattening mechanism, a first main body socket welding pad accurate positioning mechanism, a product left welding pad inserting mechanism, a second main body socket welding pad accurate positioning mechanism, a product right welding pad inserting mechanism, a CCD detecting mechanism, a laser marking mechanism, a product NG eliminating mechanism and a product packaging mechanism. The automatic production equipment for FPC connectors has the advantages of high automation degree, high work efficiency, good product quality, high product percent of pass, capability of saving human resources and the like which do not exist in the prior art.
Owner:SHENZHEN YANFENG SCI & TECH
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