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58results about How to "Overcome rationality" patented technology

Sintering and cooling integrated method for efficiently recovering and utilizing waste heat resources and device thereof

InactiveCN102384664AOvercome the problem of sensible heat wasteOvercoming the \"quantity\" of waste heatIncreasing energy efficiencyWaste heat treatmentThermodynamicsFlue gas
The invention relates to a sintering and cooling integrated method for efficiently recovering and utilizing waste heat resources and a device thereof. The method has the steps that the length of a sintering machine is doubled; the front half part of a sintering ore cooling section is set as a cooling section I, and the back half part of the sintering ore cooling section is set as a cooling section II; a gravitational crusher and an assistant cooling device are equipped below the tail part of the cooling section; after sintering ore passes through a sintering area of the device, pulverized coal completely enters the cooling section to be cooled and then falls into the crusher; flue gas at the tail part of the sintering machine, which has a high temperature, a high oxygen content and a low sulfur content, and flue gas at the cooling section I are led into a waste heat boiler to produce medium-pressure steam; the steam is merged into a steam pipe network or is used to generate electricity; low temperature flue gas part getting out of the waste heat boiler is led into the head part of the sintering machine to preheat the sintering ore; and the high temperature part of low temperature flue gas in the cooling section II is led into a table top of the sintering machine to conduct hot air sintering. By adopting the method, the waste of sensible heat of the sintering ore is reduced, the waste heat recovery and utilization rate is high, energy consumption of a sintering procedure is effectively reduced, and the method is suitable for being popularized and applied to the technical field of the recovery and the utilization of waste heat resources in the metallurgical process.
Owner:NORTHEASTERN UNIV

Absorption tower technical method of multi-stage spraying and desorbing ammonia in gas

The invention relates to an absorption tower technical method of multi-stage spraying and desorbing ammonia in gas; several sections of spraying units and the mist matcher are arranged in the absorption tower; the spraying unit is sectionally arranged in the tower body based on different height; the following steps are executed in the absorption tower: a, ammonia enriched gas enters in a first section of the absorption tower from an inlet and upwards flows, and is evenly distributed along the section of the absorption tower; b, the gas reaches the upper part of the absorption tower through all of liquid breaking disks; when the gas passes through the mist catcher, the clamped drop is collected; c, the recycled liquid in the first section of the tower bottom is extracted; d, the recycled liquid is sprayed in the absorption tower through the circular tube; a small part of the liquid overflows from the overflowing plate to the next section of the absorption tower and is simultaneously sprayed by multiple nozzles; e, the gas in every absorption section in the absorption tower upwards flows and the liquid is downwardly sprayed such that the ammonia in the ammonia enriched gas is absorbed by the recycled liquid to realize dehydrogenation of the ammonia enriched gas. The invention can flexibly select one or more spraying techniques to absorb the ammonia in the gas and to reach the requirement.
Owner:BAOSTEEL ENG & TECH GRP

Preparation method of individual artificial knee joint based on biomechanics

The invention provides a preparation method of individual artificial knee joint based on biomechanics, for solving the problem that the matching degree between the existing artificial joint and the human body joint is poor, so that the stress distribution is unreasonable, and the service life is short. The preparation method comprises the following steps: manufacturing a physiological data standard template of the normal human body; manufacturing a physiological data standard template of a patient; according to the physiological data standard template of the patient, searching for data matched with the physiological data standard template of the patient, wherein the data is taken as a contrast; searching for muscle with malformed stressing in the lower limb muscle of the patient in the gait period; calculating to obtain kinematic data in the gait period; comparing the kinematic data obtained after substitution with the contrast, finding out the differences, modifying the design of the artificial knee till the obtained kinematic data is matched with the kinematic data of the contrast, thus obtaining the individual artificial knee joint conforming to the mechanics characteristics of the biomechanics. According to the preparation method, while the performances of the artificial knee are optimized, the service life of the artificial knee in the body of the patient is effectively prolonged.
Owner:TAIYUAN UNIV OF TECH

Designing method of millimeter wave varied box type window

The invention discloses a designing method of a millimeter wave varied box type window. The designing method comprises the following steps of: S1, determining a type and a size of a rectangular waveguide and a diameter of a round waveguide according to the scope of an operating frequency of a microwave window; S2, selecting a material, a diameter and a thickness of a medium window plate; S3, determining whether the material, diameter and thickness of the medium window plate, which are selected in the step S2, meet matching conditions by utilizing a microwave network theory; S4, determining a length of the round waveguide by using the microwave network theory; S5, determining whether the transmission characteristic of the millimeter wave varied box type window meet the demand by using the microwave network theory; and S6, carrying out modeling and performance analysis on the determined millimeter wave varied box type window by using three-dimensional electromagnetic simulation software so as to obtain the millimeter wave varied box type window which meets the performance requirements. According to the invention, the millimeter wave varied box type window which meets the specific performance requirements can be accurately and quickly obtained and an effective method is provided for the quick and efficient design of a high-performance microwave energy transmission window.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Anti-floating water level value taking method in which long-observing water levels and historical rainfall in latest 3-5 years are utilized

The invention discloses an anti-floating water level value taking method in which long-observing water levels and historical rainfall in latest 3-5 years are utilized. The change law of the long-observing water levels along with the rainfall and a function relation are obtained according to the long-observing water levels and rainfall data of a site in latest 3-5 years, and then according to a reconnaissance inter-phase maximum water level, the reconnaissance inter-phase rainfall and the historical highest rainfall data, the highest historical water level value of the site is calculated and obtained as a water level value for prevention of up-floating of the site. According to the anti-floating water level value taking method in which the long-observing water levels and historical rainfall in latest 3-5 years are utilized, the long-observing water levels and the historical rainfall data in latest 3-5 years are utilized, through quantitative calculation, the highest historical water level value of the site is obtained as the water level value for prevention of up-floating of the site. Unreasonableness and randomness in taking the water level value for prevention of up-floating due to human factors of reconnaissance personnel are effectively overcome, a detailed and achievable calculating method of the water level for prevention of up-floating is provided, and the randomness in industry value taking is normalized.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +1

Strong-swirling mixing and backflow stable-burning incinerator for processing organic pollutant waste gas

ActiveCN107314384AAchieve high-intensity combustion mixingRealize functionIncinerator apparatusGaseous fuel burnerCombustorFlue gas
The invention relates to a strong-swirling mixing and backflow stable-burning incinerator for processing organic pollutant waste gas, and aims to effectively solve the problems that a conventional incinerator is low in combustion intensity, poor in mixing effect and unreasonable in body structure, has poor organic volatile pollutant pyrolysis and combustion effects and pollutes the environment. The strong-swirling mixing and backflow stable-burning incinerator is characterized in that a cavity in an incinerator body consists of a combustion mixing chamber and a flue gas mixing chamber which communicate with each other, an auxiliary combustor is arranged in the center of a waste gas lead-in pipe at the top of the combustion mixing chamber, a main combustor is arranged outside the incinerator body, a mixed flue gas discharge pipe is arranged at the lower part of the flue gas mixing chamber, the upper part of a flue gas mixing chamber wall body is inserted into the combustion mixing chamber, an adjustable loop outlet is formed in the top of a swirling flow pre-mixing combustion loop between the upper part of the flue gas mixing chamber wall body and the lower part of a combustion mixing chamber wall body, a hearth is arranged at the bottom of the flue gas mixing chamber wall body, and a flame stabilizing column is arranged on the hearth. The strong-swirling mixing and backflow stable-burning incinerator is extremely good in self-stability, overcomes the shortcomings of low combustion intensity, poor mixing effect and unreasonable incinerator structure, and achieves the functions of high-intensity combustion mixing and efficient heat and mass transfer, and the investment cost is reduced.
Owner:郑州釜鼎热能技术有限公司

Optical module threshold adjustment method and device for network equipment, equipment and storage medium

The invention discloses an optical module threshold adjustment method and a device for network equipment, equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps of obtaining a threshold reference value and a current threshold value of the performance of an optical module of the network equipment by a network management system; determining whether the optical module is in an abnormal working state according to the threshold reference value and the current threshold value; and if the optical module is determined to be in the abnormal working state, generating a new current threshold value capable of enabling the optical module to be in the normal working state by utilizing the threshold reference value, and issuing the new current threshold value to the network equipment. According to the method of the invention, the optical module performance threshold is intelligently adjusted and optimized, so that the problems of unreasonable optical module threshold range and high threshold maintenance cost in the prior art are solved, the intelligent adjustment and optimization of the optical module threshold in a network management system are realized, the accuracy of the optical module threshold is ensured, and the operation and maintenance efficiency is improved.
Owner:ZTE CORP

Absorption tower technique for removing ammonia from gas through multi-segment spraying

The invention relates to an absorption tower technique for removing ammonia from gas through multi-segment spraying. According to the method, multiple segments of spraying units and a mist catcher are arranged in an absorption tower, the spraying units are arranged in a tower body in a segmented manner at different heights, and the following steps are implemented in the absorption tower: a, ammonia-rich gas enters a first segment of the absorption tower from an inlet and flows upwards and is uniformly distributed along the section of the absorption tower; b, the gas reaches the upper part of the absorption tower body after passing through all liquid stopping discs, and liquid drops entrained in the gas are captured when the gas passes through the mist catcher; c, a circulating liquid at the first segment of tower bottom is extracted out; d, the circulating liquid is sprayed into the absorption tower through annular pipes, small part of the liquid overflows to next segment in the absorption tower from an overflow plate, and multiple spray nozzles perform spraying simultaneously; e, the gas in each absorption segment in the absorption tower flows upwards, the liquid is sprayed downwards, so that ammonia in the ammonia-rich gas is absorbed by the circulating liquid, and ammonia is removed from the ammonia-rich gas. A one-segment or multi-segment spraying technology can be flexibly selected, ammonia in the gas is absorbed, and requirements are met.
Owner:天津深蓝宇节能减排技术有限公司

Precise control method for sequencing batch neutralization of concentrated acid wastewater in photovoltaic industry

Belonging to the field of wastewater treatment, the invention discloses a precise control method for sequencing batch neutralization of concentrated acid wastewater in photovoltaic industry. The method includes the steps of: when the pH of the wastewater is less than or equal to 3, carrying out the following steps of: a) adding CaCO3 as a neutralizing reagent into the wastewater for neutralization reaction, and adjusting the pH value of the wastewater to 3 (with the pH less than or equal to 7); and b) adding Ca(OH)2 firstly into the wastewater treated by step 1), then adding CaCl2 for neutralization reaction; when the pH of the wastewater is greater than 3 and smaller than or equal to 7, adding Ca(OH)2 and CaCl2 directly into the wastewater for neutralization and defluorination reaction. The sequencing batch and small water volume neutralization control method regulating reagent adding according to the pH value of wastewater provided by the invention overcomes the problems of low reaction efficiency caused by reagent wrapping due to violent acid-base neutralization reaction and easy equipment damage due to exothermic effect in the concentrated acid wastewater treatment process in photovoltaic industry.
Owner:JIANGSU NJU ENVIRONMENTAL TECH
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