71results about How to "Easy to remedy" patented technology

A method for preparing highly stabilized and dispersible zero valent iron nanoparticles and using the nanoparticles as a remediation technology against inorganic chemical toxins in contaminated sites. The method employs a composition containing select polysaccharides (starch or cellulose) as a stabilizer for the iron nanoparticles in a liquid carrier, and results in suspensions of iron nanoparticles of desired size and mobility in water, brine, soils or sediments. The stabilizer facilitates controlling the dispersibility of the iron nanoparticles in the liquid carrier. An effective amount of the composition is delivered to a contaminated site so that the zero valent iron nanoparticles can remediate one or more toxins such as an arsenate, a nitrate, a chromate, or a perchlorate in the contaminated site.

A toner cartridge for use in a printer includes a developing roller and an electrode. The toner cartridge is mountable in the printer by moving in a mounting direction and removable from the printer by moving in a removal direction. The developer roller supplies toner to a photosensitive member of the printer. The electrode is for electrically connecting with a bias supply electrode of the printer to supply a bias to the developing roller. The electrode moves, in a direction from outside the housing toward the interior of the housing and orthogonal to the mounting direction and the removal direction, under contact with the printer while the developing cartridge is being mounted in the printer. The electrode is electrically connected with the bias supply electrode of the printer while the developing cartridge is mounted in the printer.

The invention discloses an automobile hub lightweight design method. The method comprises the steps of S1, establishing an automobile hub three-dimensional geometrical model and filling the spoke area of the geometrical model with materials; S2, establishing a hub topology optimization mathematical model and obtaining the optimal material distribution structure of a hub by means of topology optimization; S3, conducting secondary design and strength analysis in CAD software according to the hub structure subjected to topology optimization; S4, establishing an approximation model by means of the Latin square test sampling method and the response surface technology, and conducting size optimization on the hub subjected to secondary design by means of the evolution algorithm; S5, conducting strength verification on the optimized model. According to the method, conceptual design is conducted on the automobile hub firstly through topology optimization to obtain optimal material structure distribution of the automobile hub, then the approximation model is established by means of the Latin square testing method and the response surface technology with the strength of the hub as the restraint condition, detailed size optimization is conducted on the hub subjected to secondary design by means of the evolution algorithm, and then lightweight of the hub is realized.

High purity 1,3 butadiene is recovered from a C₄ fraction containing butadienes, butenes, butanes, and acetylenes that is generated from a steam cracker by extractive distillation operating with no reflux or greatly reduced reflux conditions. This no reflux (or minimum reflux) technique is generally applicable to any butadiene recovery process in which at least one extractive distillation column (EDC) is used to separate 1,3 butadiene from other C₄ components in the mixture. For an ED process with two EDCs, significant reductions in total energy requirements in the both EDCs can be achieved by appropriate reductions in the reflux in each column. The performances of both EDCs are unaffected even when operating at no reflux.

A method for producing a plain bearing bush includes providing a flat supporting metal layer and an anti-friction layer on this supporting metal layer to produce a flat composite material. The flat composite material is then rolled into the shape of the plain bearing bush in such a way that the supporting metal layer in the plain bearing bush is disposed radially underneath the anti-friction layer. The plain bearing bush includes the supporting metal layer disposed underneath the anti-friction layer in the radial direction.

Cam belt, particularly for agricultural machinery, produced from a polymer provided with reinforcement inserts, has cams on the inner side of the cam belt that are used to drive cam belt. A first flank faces in the running direction of cam belt and a second flank faces in opposite direction. Cams are spaced apart from one another by gaps in a predefined division, and gaps are delimited by first flank and second flank of two adjoining cams and a base which connects two flanks. During operation of cam belt carrier of a cam wheel resting against second flank of one of adjoining cams and against the base of a gap engage with the gaps. On outer side of belt, functional elements are fixed by a fastener which from inner side of the belt passes through the cam belt and the functional elements via at least one through hole.

A fluid end assembly comprising a housing, valve bodies, seals, seats, springs, and other associated parts, paired with a suction manifold that facilitates bi-directional fluid flow. The suction manifold of this invention is designed to preserve fluid energy that will ensure complete filling of the cylinder in extreme pumping conditions. The suction manifold utilizes a chamber design positioned immediately below the suction valves, eliminating all connecting ducts. Alternate embodiments of this invention include a suction manifold with an integral fluid dampeners or stabilizers.

The invention relates to a boiler ignition mode, in particular to a coal-fired fluidized bed boiler heating material ignition mode. The fluidized bed heating material ignition mode of the present invention is realized through the following technical scheme. The hot material ignition of the present invention is to take out the inert hot bed material that is nearly burned out in the running boiler, put it into the pre-start fluidized bed boiler, and use it as an ignition source to make it fluidized after air distribution and coal supply. State combustion, the combustion proceeds from point to surface until the whole bed is stably combusted. The process of the heating material ignition method of the circulating fluidized boiler of the present invention is as follows: laying the bottom material → taking and sending the heating material → air distribution, coal feeding → fluidized combustion → air distribution, coal feeding → extended combustion → stable combustion of the whole bed. The advantages of the invention are: the ignition cost of the invention is greatly reduced; the ignition and combustion process is from point to surface, and the ignition is easy and stable; the operation is simple, convenient and intuitive; the controllability is strong; the safety and reliability are high, and the ignition success rate is high; Transformation promotion. The invention is applicable to various coal-fired fluidized bed boilers.

The invention discloses a highway bridge beam anti-beam-drop limiting device. The highway bridge beam anti-beam-drop limiting device comprises a bridge beam and a bridge abutment, beam foots of the bridge beam are fixedly connected to a suspended beam placing stand of the bridge abutment through a damping support, and are connected with the bridge abutment through two sets of steel strand connecting mechanisms, the portion a certain distance from the bottom of the steel strand connecting mechanism is provided with the other set of the same steel strand connecting mechanism, the two sets of steel strand connecting mechanisms are reversely installed, the surface of the bottom of the right tail end of the bridge beam is provided with several tail parts of which the cross sections are in trapezoidal shapes, a knock-off block is arranged at the top of the bridge abutment, an engagement cavity is formed in the middle of the junction of the knock-off block and the bridge abutment, a PC steel frame is arranged at the bottom of the left end of the bridge beam, and is fixed to the bridge beam through an inner fixing connecting column, and an elastic buffering plate is arranged at the right side face of the PC steel frame.

The invention discloses a sizing agent for silicon carbide or silicon nitride fibers. The sizing agent is prepared from, by weight, 0.2-0.8 part of polyvinyl alcohol, 0.1-1.5 parts of modified silicone oil, 0.5-3.5 parts of alkylphenol ethoxylates, 0.1-0.25 part of benzoic acid and 100 parts of deionzied water. The sizing agent for the silicon carbide or silicon nitride fibers is applied to ceramic fibers converted by a polycarbosilane precursor such as second-generation and third-generation continuous silicon carbide fibers, wave-transmitting-type continuous silicon carbide fibers and broadband wave-absorbing continuous silicon carbide fibers, and bonding and bundling of loose cellosilk can be enhanced. Softness of the fibers is facilitated, the friction force of fiber bundles is reduced,and thus the fiber bundles are easier to weave; coverage and repair of defective holes in the surfaces of the fibers are facilitated, and the intensity of the fibers is improved; improvement of the static resistance of the surfaces of the fibers is facilitated, and adsorption of water molecules and dust particles in the atmosphere is reduced.

An insect monitoring device and method of monitoring insects having a body with a slide out tray assembly. The tray assembly has a replaceable sheet assembly with an exposed adhesive surface. The tray assembly has an aperture through which insects may pass to encounter the adhesive surface. Spaced from the adhesive surface is a heating element to warm the interior of the monitoring device. A sheet assembly has a reflective side to reflect heat back onto the adhesive surface and an insulating side to increase efficiency. A sensor array images the adhesive surface and transmits images to a remote computer. Other sensors may also be present on the sensor array.

The invention discloses a monitoring system for hazardous chemical substances. The monitoring system comprises a number detector and a monitoring platform. The number detector installed in a monitored tank is capable of detecting the number of hazardous chemical substances in the monitored tank; and the monitoring platform is capable of receiving the number information detected by the number detector, comparing the number in the number information with an inputted number value, and sending out an alarm signal when the number is not equal to the inputted number value. On the basis of manual inputting and detector detection, number accuracy is confirmed by the two kinds of ways, thereby avoiding an inputting error. Meanwhile, because the number detector is capable of detecting the number of hazardous chemical substances in the monitored tank timely, the number information detected by the number detector is not equal to the pre-stored number value when leakage occurs, so that a controller will send out alarm information. Therefore, a risk that a hazardous chemical substance tank can not be controlled timely can be eliminated.