1077results about How to "Achieve stabilization" patented technology

We describe a system to optimize performance of a mobile phone network towards a performance goal. The system receives performance data comprising aggregated data for a plurality of calls and commissions measurement data comprising data logged for a plurality of mobile phones, and outputs data for changing a configuration of said network. The system includes a performance monitoring system; a measurement data request system, wherein measurement data is selectively commissioned in response said performance mismatch; a measurement data analysis system to analyze the commissioned measurement data to determine a probable cause of said mismatch, and to provide analysis data identifying the probable cause; and an action determination system to receive said analysis data and to output action data dependent on the analysis data, the action data identifying one or more configuration changes to be made to the mobile phone network to reduce the mismatch.

A one-component seal and wadding system (1) for a screw-cap includes a seal (3) having lower layers (4,5) forming an induction heating sealable system for attaching the seal (3) to the neck of a container, a seal substrate (6) including a free tab (50) lying wholly within the circumference of the seal, a layer of liner (2), and an attachment element (10,11,12) including a release layer (11) for attaching the seal substrate (7) including the tab (50) to the wadding (2).

The invention discloses a high-melt strength polypropylene foam material and a preparation method thereof. The matrix resin of the foam material is high-melt strength polypropylene. The high-melt strength polypropylene foam material has the following characteristics: (1) the melt index (190 DEGC/2.16kg) is 1.0-10g/min; (2) the molecular weight distribution Mw/Mn is 6-20; (3) the content of the molecules with molecular weight over 5 million is greater than or equal to 0.8% by weight; and (4) (Mz+1)/Mn is greater than or equal to 70. The foam material is prepared by premix melting, blending and foaming of the following components in parts by weight: 100 parts of high-melt strength polypropylene and 1-15 parts of foaming agent. The obtained foam material meets the environmental protection requirements of degradability, uniform cell, high physical heat resistance, low production cost and smooth surface, and is suitable for continuous large-scale production.

The invention discloses method of producing liquid organic fertilizer by organic belonging to solid wastes disposal field, including: co-treating the residual sludge with 98 percent moisture content by ultrasound and sodium hydroxide to make the organic matters dissolve out; getting concentrated sludge and supernatant fluid after centrifugation; dehydrating the concentrated sludge after neutralization in a routine method; sand leaching and ultrafiltration treating the supernatant fluid twice after centrifugation to get a concentrated liquid containing macromolecule organic matter such as humic acid and the filtrate containing low molecular organic matter; the filtrate entering into the sewage treating plant for a primary treatment. Disposed dehydrated sludge cake has 70-80 percent moisture content and a reduction of the content of organic matter of 30-50%. The concentrated liquid by ultrafiltration is mainly composed of macromolecule organic matter and with a low content of heavy metal, and can be an organic liquid fertilizer, and complies the rule of using green food fertilizer. The invention is suitable for the sludge with a high organic matter content such as residual sludge and digested sludge.

The invention discloses a method for treating sludge with heavy metals exceeding the standard. The method comprises the following steps: mixing 2300 parts by weight of the sludge with water content of 80% (weight percentage) or below and heavy metal content exceeding the standard, 4.6-6.9 parts by weight of aerobic microbial agent, 690-805 parts by weight of auxiliary material and 184-276 parts by weight of heavy metal passivating agent and carrying out fermentation for 15-20 days for obtaining the sludge after the treatment; the aerobic microbial agent comprises the active ingredients of Bacillus subtilis, Bacillus stearothermophilus, Aspergillus niger, thermophilic sporotrichum and Saccharomyces cerevisiae; and the auxiliary material is one or any combination of shale, peat, sawdust, coco peat or cassava residue. The purpose of adding the aerobic microbial agent is to kill harmful microbes, pathogen and helminth eggs in the materials, decompose toxic and harmful organic matters and realize reduction, stabilization and harmless treatment of the materials; and the addition of the heavy metal passivating agent can transform the heavy metal form without causing the direct damage to organisms. The sludge after the treatment can be used for safe landfill, soil can be covered on a landfill field, and plants can be grown in the soil, thereby beautifying the environment and improving the ecology.

The invention discloses a heavy metal polluted sludge treatment method which comprises the following steps: conveying heavy metal polluted bottom sludge of rivers, lakes and reservoirs by a slurry pump of a sanddredger ashore; adding heavy metal chelate stabilizer in a first pipeline blender of dredging pipelines; and then adding flocculant in a second pipeline blender; and finally filling sludge in geotextile bags for volume reduction and dehydration; and concreting for 7-50 days after the sludge filling, wherein the sludge treated by the method can be used for land reclamation, greening or landfilling according to different water contents and heavy metal contents. Compared with the prior art, by environmental-protection dredging, transmission by closed pipelines and heavy metal stabilization, the invention completely solves the secondary solution problem of heavy metals; and the invention combines the heavy metal stabilization and a geotextile bag dehydration technology without power consumption without the input of mechanical dehydration equipment, and is suitable for heavy metal polluted sludge treatment in occasions of large treatment area, short work period, small dehydration site, less once investment, low operation cost and the like.

The invention relates to a system and method for obtaining a carbon source by utilizing ultrasonic enhanced sludge hydrolysis. The biological sludge in a municipal sewage plant is used as a raw material; the flocculation structure and cell wall of the sludge are firstly damaged by utilizing a waterpower shear force generated by an ultrasonic cavitation effect; the sludge after ultrasonic preprocessing is added to an anaerobic hydrolysis reactor; and under anaerobic conditions, macromolecular solid organic matters are finally converted into volatile fatty acids (VFAs) such as acetic acid, propionic acid, butyric acid and the like through a series of biological hydrolytic action. In the invention, the efficiency and velocity for a sludge to release a carbon source are improved by utilizing the coupling of ultrasonic processing and anaerobic hydrolysis processes, and the N (nitrogen) and P (phosphorus) which are released by hydrolysis are effectively eliminated and recovered by utilizing a crystallization method. The invention can solve the problem of carbon source insufficiency of the existing denitrification and dephosphorization process and realizes the stabilization and resource of the sludge to some extent. Simultaneously, because the hydrolysis velocity of the sludge is enhanced, the hydrolysis time of the sludge is greatly shortened and the investment and operating cost of engineering are lowered.

The invention discloses a stabilizing agent for heavy metal contaminated soil and a preparation method and application thereof, and the stabilizing agent comprises the following raw materials: by weight, 20-60% of bone meal; 10-30% of biochar and 20-70% of calcined shell powder. The preparation method is as follows: (1) drying biomass in air and grinding into particles smaller than 60 meshes, cracking in a cracking furnace at 400-800 DEG C for 6-8 hours to obtain the biocar; calcining shell powder with the particle size below 20 meshes in a high temperature furnace at 800-1000 DEG C for 2 to 4 hours, naturally cooling to room temperature to obtain the calcined shell powder; and (2) proportionally mixing the biocar, the calcined shell powder and the bone meal evenly to obtain the stabilizing agent. The stabilizing agent compounding the three components in accordance with a specific proportion solves the problem of high cost, undurable stabilization effect and the like of stabilizing agents for the heavy metal contaminated soil in the prior art.

The invention relates to a landfill method for rapid stabilization of chromium-containing soil and household garbage. The chromium-containing soil, mineralized waste, anaerobic sludge and kitchen garbage are mixed and filled in the land by a certain way, and then the leachate is subjected to continuous reflux; and 1-2 years after filling, the leachate wastewater can reach discharge standards, so as to achieve stabilization of chromium slag and household garbage.

The invention discloses an adaptive fuzzy teleportation control method based on a disturbance observer, comprising the following steps: step S1: establishing a dynamic model for a master arm and a slave manipulator of a bilateral teleportation system; step S2: designing a corresponding disturbance observer for unknown interference from a slave edge; step S3: for the kinematics and dynamics uncertainty of the manipulator, estimating and compensating the manipulator by using a fuzzy adaptive controller, and designing an adaptive fuzzy controller based on the disturbance observer. The invention provides a design method of an external disturbance observer. At the same time, for the kinematics and dynamics uncertainty of the master and slave ends, the present invention utilizes the fuzzy adaptive control method to counteract the influence of uncertainty on the stability and synchronization performance of the system. Moreover, the slave end controller is combined with the disturbance observer based on this design to further eliminate the influence of external unknown interference on the system.

The invention discloses a roadside packing gob-side entry retaining top-cutting explosion pressure relief method which comprises the following four steps: I, confirming a top-cutting method, the drilling construction time and a drilling construction site; II, confirming top-cutting pressure relief explosion drilling parameters; III, drilling deep-hole explosion holes and explosive filling and sealing holes; IV, performing explosion top-cutting pressure relief. The roadside packing gob-side entry retaining top-cutting explosion pressure relief method is applied to roadside packing gob-side entry retaining top-cutting explosion pressure relief.

The invention provides a digital beam forming and phase fitting method, and aims to provide a method capable of suppressing interference, improving the signal to interference and noise ratio and accurately controlling the phase of a beam forming signal. The method is implemented according to the technical scheme that a steering vector model obtains relative steering vectors by using online calibration, accurate absolute steering vectors are acquired by combining absolute phase responses, which are measured in a darkroom, of a reference array element, model parameters of the steering vector are fitted out by combining the existing absolute steering vectors, and an accurate spare steering vector of an antenna array in any direction is acquired; the second-order statistic of the array signal is iteratively calculated through an array signal statistic hardware calculation module, and sent to an array signal processing algorithm module together with an antenna array steering vector and a channel response to calculate an optimal beam weight; and finally, the array signal processing algorithm module imbeds the optimal beam weight into the digital beam forming module to perform real-time digital beam forming and phase fitting and process multi-channel array data and beam output in real time.

The invention discloses a method for fast producing methane by utilizing excess sludge, specifically comprising the steps of: (1) pretreating excess sludge; (2) alkaline hydrolysis: releasing organic matters in the excess sludge into a water phase through adopting a single-stage alkaline hydrolysis or a two-stage alkaline hydrolysis, wherein the SCOD (Soluble Chemical Oxygen Demand) of the water phase achieves 2000-10000mg/L. (3) production of methane through anaerobic digestion: inoculating 10%-60% by volume of anaerobic granular sludge in an anaerobic reactor, controlling the volume load at 0.30-0.75kg COD/(m<3>.d), performing methane production reaction within 72h, wherein the methane production capacity achieves 200-400mLCH4/gCOD. The method has the advantages that the processes of firstly performing alkaline hydrolysis on the excess sludge so as to enable the organic matters to be liquidified and then performing liquid-state digestion to produce methane are fast to start, short in reaction period, stable in methane productivity, not only can energy be recovered, but also the stabilized treatment of the sludge can be realized, and remarkable and environment benefits can be both achieved.

The invention belongs to the technical field of chromium chemical industry and chromium salt clean production, and in particular relates to a wet detoxification method of hexavalent chromium contained alkali waste residues. According to the method, the method comprises the following steps of: first, slurrying the chromium residues; and then adjusting the pH value of the slurry to 7-10; adding a stabilizing agent and a reducing agent to the completely slurried slurry at 20-150 DEG C; and reducing the hexavalent chromium to trivalent chromium, wherein the trivalent chromium can stably exist in the chromium residue for a long period. The leaching toxicity of the obtained chromium residue, which conforms to State Environmental Protection Industrial Standard issued by the Ministry of Environmental Protection, is less than 3 mg/L. Compared with the prior art, the wet detoxification method of the hexavalent chromium contained alkali waste residues, provided by the invention, has the advantages of simple process, less usage of the reducing agent, low cost, complete reduction of the hexavalent chromium, no rebound, low reducing reaction temperature, suitability for industrial production and better promotion and application prospect.

The invention discloses a design method for property parameters of anti-collapse drilling fluid for fractured formations. According to sequence, the design method includes the following steps: core samples are prepared; four of the core samples are chosen for a triaxial compression test and an acoustic emission test, and the crustal stress of a formation owning the core samples is determined; two of the core samples are chosen for the triaxial compression test, and the cohesion and internal friction angle of the weak planes of the rocks are tested; eight of the core samples are chosen to be put into the drilling fluid, the triaxial compression test is carried out after the core samples are soaked for different times, and the cohesion and internal friction angle of the weak planes of the rocks are tested; the cohesion and internal friction angle of the weak planes of the rocks are respectively linearly fitted to soaking times; the fluid-solid coupling theory is utilized to create a fractured formation well surrounding rock stress distribution model; the elastic mechanics coordinate transformation theory is utilized to create a fractured formation weak plane destruction model; a relation chart between the property parameters of the drilling fluid is determined. The design method disclosed by the invention can quantitatively optimize the key property parameters of the drilling fluid according the requirement of a site for well wall stability.

A mobile station UE of the present invention is a mobile station that communicates with a radio base station using equal to or greater than two carriers, wherein the equal to or greater than two carriers include a first carrier and a second carrier, the mobile station including: a first communicating unit configured to perform communication with the first carrier; and a second carrier measuring unit configured to perform measurement of the second carrier, wherein, in a case where a measurement gap for measuring the second carrier is set, the first communicating unit is configured to perform communication with the first carrier without considering the measurement gap when the second carrier is activated, and not to perform communication with the first carrier in the measurement gap when the second carrier is not activated.

The invention relates to the technical field of sludge pyrolysis, in particular to a sludge pyrolysis method adopting biomass adding. The method comprises steps as follows: step one, firstly, biomass is crushed into powder, the biomass, sludge and a catalyst are uniformly mixed in a mass ratio being (0.25-4):1:(0.02-0.08), and a mixture is obtained; step two, the mixture is put in a reaction kettle, nitrogen is introduced to serve as protective gas, the temperature is increased to the pyrolysis temperature of 300-700 DEG C according to a certain temperature increasing procedure, and a solid-phase product, a liquid-phase product and a gas-phase product are obtained respectively. The sludge pyrolysis method adopting biomass adding not only promotes sludge pyrolysis, but also increases the product utilization value, the problem of environment pollution in the conventional sludge treatment process is solved, the reduction, stabilization, harmless and recycling targets of sludge are achieved, agricultural waste biomass is recycled, and the purpose of turning waste into wealth is achieved.

The invention discloses an annular lower floating body semi-submersible platform. The annular lower floating body semi-submersible platform is provided with a lower floating body (1) and an upper ship body (2) which are connected through stand columns (3), wherein the lower floating body (1) is a regular hexagonal annular column body; the stand columns (3) are pentagonal column bodies and are uniformly distributed on the six corners of the lower floating body (1); the upper ship body (2) is a hexagonal frustum with a flare; and a moon pool (9) is arranged in the center of a box-type deck (8) of the upper ship body (2). The annular lower floating body semi-submersible platform is excellent in motion performance, has the characteristic of unconditional stability, is wide in application range of operation water depth, good in overall structure strength, light in weight, low in manufacturing cost and low in operation energy consumption, and can be applied to deepwater oil and gas exploitation under harsh marine environment conditions.

The invention belongs to the technical field of environment protection, particularly relates to a home position strengthening fermentation regenerated carbon source sewage disposal system for sewage plant. The system comprises structures including a primary adjusting tank, an alkaline fermentation tank, an adjusting tank a carbon source storage and the like tank, and devices including a pipeline, a meter and a dehydration, anhydration control system and the like. Primary sludge, excess sludge and urban utensil garbage from sewage plant are taken as the raw materials for strengthening fermentation to regenerate carbon source in the alkaline fermentation tank under certain temperature and certain pH after being adjusted by the primary adjusting tank, and then chemical agent is added into the adjusting tank, thus not only obtaining high-quality carbon source simply but also obtaining a byproduct which can be used as a fertilizer, and realizing stabilization, reduction, decontamination and utilization of waste sewage. The technique has the advantages of low investment, low running cost, steady quality of regenerated carbon source, high-value byproduct and the like.

The invention discloses a production method of a sludge biomass environment-friendly fuel. The method comprises the following steps: 1) sludge pretreatment: conveying sludge to a pretreatment pool, adding deodorant and bactericide and stirring uniformly; 2) sludge modification: conveying pretreated sludge to a reaction tank, adding modifier, sulfur fixing agent and heavy metal stabilizing agent, reacting uniformly and adding crushed biomass; 3) sludge depth dehydration: carrying out depth dehydration on the modified sludge; and 4) sludge drying: fragmenting the sludge cake treated with depth dehydration and drying. Compared with a prior art, the production method of sludge biomass environment-friendly fuel provided by the invention can realize quantitative reduction, harmlessness, stabilization and resource of sludge treatment, effectively solve a problem of secondary pollution of sludge and obtain the biomass environment-friendly fuel; besides, the fuel can substitute coal for combustion in boiler, make up sludge treatment cost as well as effectively solve a social problem of energy shortage.

The invention provides a sludge carbon fertilizer and a production method thereof, solving the problem of serious environmental pollution caused by the traditional sludge treatment method and incapability of effectively recycling resources contained in sludge. The sludge carbon fertilizer comprises biomass wastes and organic sludge, wherein the mass mixing ration of the biomass wastes to the organic sludge is 1:5-1:1. The invention also provides the production method of the sludge carbon fertilizer, comprising the following steps of: mixing; dryly granulating; carbonizing; cooling; sieving; naturally cooling; and packaging to obtain the sludge carbon fertilizer. Due to the sludge carbon fertilizer produced by adopting the method, the problem of environmental pollution brought about by thetraditional sludge treatment method is solved, and the soil nutrient elements such as organic matters, nitrogen, phosphorus, potassium, and the like which are contained in the sludge can be sufficiently recycled, thus the sludge carbon fertilizer can be used as a soil conditioner and a fertilizer slow-release synergist.