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74results about How to "Achieve longevity" patented technology

Three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of blast furnace hearth

InactiveCN101886152ATake sensitivity into considerationFully consider follow-upBlast furnace detailsChecking devicesSlagData acquisition
The invention relates to a three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of a blast furnace hearth, belonging to the technical field of online monitoring, diagnosis, prewarning and maintenance of the blast furnace. The three-dimensional unstable state monitoring and abnormity diagnosis and maintenance system of the blast furnace hearth comprises a data acquisition module, a data filtering module, a hearth and furnace bottom corrosion and accretion calculation module, an abnormality diagnosis module, a prewarning displaying module and a hearth-guiding and maintaining module. Water temperature of a cooling wall of the hearth and galvanic couple temperature of a furnace body can be collected and filtered in real time; by combining the two data together and using pro and con questions of the heat transmission science in combination with the standard of abnormity diagnosis, the influence of the abnormity possibly occurring in the production of the thermal conductivity coefficient variation of refractories, the ring shake, the air gap, and the like on distribution and corrosion of a temperature field is comprehensively judged, a gradient-regularization method and a chaos optimization method are combined to solve, the online monitoring on the three-dimensional unstable state temperature field of the hearth and the furnace bottom, the internal corrosion type, the slag-metal skull variation and the hot state of the hearth is realized, the abnormal circumstance and the corrosion deterioration causes are diagnosed in real time, and the hearth maintenance means is pertinently guided according to the corrosion deterioration causes. The system is successfully applied to industry.
Owner:HEBEI SHOUGANG QIAN AN IRON & STEEL CO LTD +1

Burden surface temperature field detection method based on multi-source information fusion

The invention discloses a blast furnace burden surface temperature field detection method based on multi-source information fusion. In allusion to the problem that the burden surface temperature in a blast furnace can not be effectively detected, existing blast furnace multi-source detection information for indirectly reflecting the burden surface temperature is utilized, wherein the multi-source detection information includes infrared image, burden surface temperature, ore coke ratio, hot blast pressure, hot blast temperature and radar stock line. Distribution model of the burden surface temperature field is established by the adoption of an information fusion technology, an image processing technology, illation of mechanism, data driving and the like. The method provided by the invention can be used to comprehensively and accurately reflect the distribution of the temperature field in the blast furnace, has characteristics of high precision, little deviation, strong real-time performance, good visualization and the like, can be effectively used to detect the change of temperature in the furnace, provide accurate operation guidance for optimal control of the blast furnace, furnace movement diagnosis and the like, guarantee safe and stable operation of the blast furnace and realize long service life, high quality, high yield and low consumption of the blast furnace, and has good economic benefits and social benefits.
Owner:ZHEJIANG UNIV

Intelligent monitoring system monitoring hearth erosion condition based on furnace shell temperature measuring

The invention discloses an intelligent monitoring and pre-warning system for blast furnace hearth erosion based on the furnace shell temperature and belongs to the field of blast furnace monitoring. According to the system, detecting data such as the furnace shell measured temperature and water temperature difference are utilized; a complete energy conservation system including a protecting layer, a furnace lining, a filling, a cooling wall body, a water-cooling pipe and the furnace shell is built; three-dimensional refined modeling is conducted according to the actual size to achieve refined calculation of a temperature field; combining temperature filed calculation, the hearth erosion condition is obtained through inverse problem calculation, and dynamic simulation of the erosion and thickening process is achieved; and a complete three-dimensional temperature field, a cooling water flow field, a furnace shell face temperature field and a cooling wall body temperature field are showed with intuitive images and data, a furnace shell temperature on-line pre-warning function and a hearth erosion monitoring function are achieved, and hearth erosion on-line monitoring warning based on furnace shell temperature measuring is achieved. According to the system, a novel method of monitoring the erosion condition of the furnace lining is provided, it is beneficial to guiding industrial production, and the long service life of a blast furnace is achieved.
Owner:UNIV OF SCI & TECH BEIJING +1

Medical composition for health-care pillow and silk traditional Chinese medicine cervical vertebra health-care pillow

The invention relates to a medical composition for a health-care pillow and a silk traditional Chinese medicine cervical vertebra health-care pillow. Silk, silkworm excrement, wild chrysanthemum flower, notopterygium root, calcined magnet, borneol, albizia flower, tuber fleeceflower stem, rhizoma acori graminei, flos caryophylli, sandalwood, keel, oyster, tetrapanax papyriferus, radix angelicae, safflower, radix crotonis crassifolii, ligusticum wallichii, cassia twig, magnolia obavata, rhizoma atractylodis and kudzu root powder are added into a health-care pillow; and when the health-care pillow is used, due to head temperature and pressure of a head, effective components of medicines in the pillow are slowly released to be sucked into a lung and enter blood circulation, so as to be conveyed to a whole body. Medical research and analysis show that mulberry silks have skin-friendly property, heat retention property and air permeability; the content of organic matters in the silkworm excrement is 83.77-90.44% and the silkworm excrement mainly contains leaf essence, pohytol, sitosterol, free amino acid and the like; and therefore, the health-care pillow has the effects of improving eyesight, nourishing eyes, nourishing brain, calming the nerves and the like, and has the effect of removing heat to cool blood when people with strong lung fire use the health-care pillow. Meanwhile, silkworm fibroins are warm in winter and cool in summer, are also comfortable and have the effects of enabling heart and blood vessels to have no load, accelerating sleep, preventing skin diseases and the like.
Owner:曼居家居科技有限公司

Method and device for measuring slag-iron liquid level information of hearth of blast furnace online

The invention discloses a method and a device for measuring slag-iron liquid level information of a hearth of a blast furnace online. High-precision electromotive force signals produced by electromotive force measuring points are used as measuring parameters, a computer system performs procedure code analysis on data of different air ports and different tap holes, and liquid level and dead stock information of the hearth is obtained. The measuring basis is change of heat transfer of a refractory material of the hearth and a furnace shell due to different heat storage capacity of slag-iron, and the measuring value is heat transferred by the refractory material and the furnace shell. The computer system responsible for code processing is used as a data visualization system, the inside of each electromotive force measuring point comprises a resistor, a measuring probe and a circuit, and the electromotive force produced by each electromotive force measuring point is directly analyzed and calculated. With the measuring method and device, the change of the liquid level in the hearth is mastered in real time, the blast furnace is guided to discharge iron and slag timely, and monitoring on the basis of daily operation and realizing of stability and long life of the hearth can be facilitated.
Owner:SHANGHAI UNIV

Method and device for measuring thickness of hearth wall of blast furnace online

The invention discloses a method and device for measuring the thickness of a hearth wall of a blast furnace online. According to the method and device, an electromotive force signal at a measurement point in the hearth wall is taken as a parameter, processing and analysis of electromotive force data at different tuyeres and tapping holes are carried out through a computer, and information relatedto the thickness of a refractory material is obtained. Measurement is based on different stored energy of the liquid slag iron, the energy has a change rule in the process of transmitting the energy from the inside of the hearth to the outside through the furnace wall refractory material, and a measured value represents electromotive force generated in the process of transmitting the energy by therefractory material of the blast furnace hearth and the furnace shell. The device is composed of a computer data visualization system, a data transmission line and an electromotive force measurer, and electromotive force of each measurement point can be directly analyzed and calculated. According to the invention, the change of the hearth wall thickness can be monitored online in real time, and the blast furnace is guided to adjust upper and lower parts and a cooling system in time, so that the stability and long service life of the hearth can be monitored and realized from daily operation.
Owner:SHANGHAI UNIV

Zirconium oxide monodisperse active spinel powder and preparation method thereof

The invention specifically relates to zirconium oxide monodisperse active spinel powder and a preparation method thereof. According to the technical scheme, the method comprises the following steps: firstly, co-grinding 50-75wt% of aluminum oxide rawbmaterial and 25-50wt% of magnesium oxide raw material; secondly, adding an organic binding agent and zirconium-containing liquid to a co-ground material, and mixing; thirdly, ageing the mixed material, and forming a green body in a mold pressing manner; fourthly, naturally drying the green body at a room temperature for 12-24 hours, drying at 150-180 DEG C for 20-24 hours and calcining at 1300-1350 DEG C for 6-8 hours; and finally, crushing calcined material, carrying out coarse grinding and fine grinding, carrying out air milling on superfine powder, so as to obtain the zirconium oxide monodisperse active spinel powder. the zirconium oxide monodisperse active spinel powder prepared by the method has relatively high low-temperature sintering activity and nano-zirconia monodisperse characteristic; the sintering temperature of corundum-spinel castable for a bottom-blow argon air brick can be effectively lowered; the compactness, the corrosion resistance and the thermal shock resistance of the corundum-spinel castable are improved; and the service life and the reliability of the bottom-blow argon air brick are enhanced.
Owner:LUOYANG KECHUANG NEW MATERIAL CO LTD

Mugwort antibacterial mosquito-repellent pad

The invention discloses a mugwort antibacterial mosquito-repellent pad. The mugwort antibacterial mosquito-repellent pad can solve the problems that an existing mugwort mosquito-repellent pad only hasthe antibacterial mosquito-repellent effects, and does not have the efficacy of being warm in winter and cool in summer; in addition, if the mosquito-repellent pad is used for a long time, mugwort essence in the mosquito-repellent pad is gradually consumed, and thereby the effect is greatly reduced; in addition, the mosquito-repellent range is small because the mugwort essence only can dissipatethrough internal breathable holes to repel mosquitoes. The mugwort antibacterial mosquito-repellent pad comprises a pad body and cotton cloth wrapping the top surface and the bottom surface of the padbody; the pad body and the cotton cloth are fixed by sewing the covered edge, wherein the covered edge is positioned around the pad body. The cotton cloth also can be polyester fabric. The productionof the mugwort antibacterial mosquito-repellent pad is also suitable for fitted covers and waterproof fitted covers; stuffing in an empty layer also can be obtained by mixing and filling moxa, mugwort powder, polyester fibers and latex; bedding, cloth and stuffing produced according to the patented technology can be freely selected and matched and all belong to the patent protection scope of theinvention.
Owner:刘国成

Chinese medicinal preparation for treating ischemic cardiovascular diseases

The invention discloses a Chinese medicinal preparation (regeneration powder) for treating ischemic cardiovascular diseases, which is a pure Chinese medicinal compound preparation consisting of 10 portions of Sanchi, 90 portions of Danshen root, 10 portions of leech, 10 portions of scorpio, 30 portions of siberian solomonseal rhizome, 30 portions of American ginseng, 60 portions of radix astragali, 60 portions of szechuan lovage rhizome, 10 portions of storax, and 10 portions of sandalwood, and is clinically used for treating coronary heart diseases. The ischemic cardiovascular disease belongs to the chest obstruction in Chinese medical science, and can be mainly shown as chest distress, choke with resentment, thoracalgia and the like, and the preparation is particularly suitable for the coronary heart disease, multivessel disease (make a definite diagnosis through clinical diagnosis or coronarography), or combined diabetes patients. The regeneration powder can play roles in dilating coronary artery, increasing blood supply, protecting vascular endothelial cells, inhibiting vascular restenosis and promoting therapeutic angiogenesis. The therapeutic angiogenesis effect of the regeneration powder can promote the establishment of coronary collateral circulation, so the persistent clinical therapeutic effect of treating both principal and secondary aspects of disease can be achieved when a patient takes the medicament for a long time.
Owner:何立军

Human body conception and governor vessel circular operation assisting device

The invention discloses a human body conception and governor vessel circular operation assisting device. The human body conception and governor vessel circular operation assisting device comprises a supporting seat; the upper part of a supporting plate above the supporting seat is a backrest; the top of the backrest is hinged to a helmet; the upper surface of the backrest and the inner surface of the helmet are provided with a plurality of governor vessel pressing electrode blocks corresponding to the acupuncture points of the governor vessel of a human body at intervals; a conception vessel operation assisting elastic belt which is located below the backrest and is connected onto the supporting plate is movably connected with the helmet; the conception vessel operation assisting elastic belt is provided with a plurality of conception vessel pressing electrode blocks corresponding to the acupuncture points of the conception vessel of the human body at intervals; two sides of the conception vessel operation assisting elastic belt are provided with girding belts; two sides of the supporting plate are provided with armrests; the armrests are provided with control switches; and control electrical wiring harnesses led out from the governor vessel pressing electrode blocks and the conception vessel pressing electrode blocks are electrically connected with the control switches and the output end of a field effect generator mounted on the supporting seat sequentially. The human body conception and governor vessel circular operation assisting device of the invention has the advantages of simple structure and convenient operation. With the assisting device adopted, the conception vessel and governor vessel of the human body can operate circularly, diseases can be prevented and treated, and the life of a user can be prolonged. The human body conception and governor vessel circular operation assisting device is used for body health protection.
Owner:王黎锋
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