51results about How to "Effective control ratio" patented technology

The invention relates to an online continuous production and injection integrating method and device for a jelly dispersoid. The method comprises the following steps of: curing a polymer and preparing a jelly system; then, pumping the prepared jelly system into a colloid grinder through a flow meter, meanwhile, injecting water into the colloid grinder, and grinding by using the colloid grinder at the rotating speed of 1000-3000rpm for 3-5 minutes to prepare the jelly dispersoid; enabling the prepared jelly dispersoid to enter a buffer tank; and pumping the jelly dispersoid in the buffer tank into a water injection well through a high-pressure plunger pump. Production and injection integration of a profile control agent (profiling / flooding agent) is realized, the jelly system and the jelly dispersoid are prepared simultaneously while the jelly dispersoid is pumped into the water injection well, the production and the injection of the jelly dispersoid are continuously carried out on line, and production and injection are simultaneously carried out, so that the production and injection time of the jelly dispersoid is greatly shortened, and the large-dosage continuous profiling and flooding requirements of multiple well groups or blocks can be met.

The invention discloses an ultra-fine grain rolling method of a large titanium alloy bar and relates to the field of machining, in particular to the ultra-fine grain rolling method of the large titanium alloy bar. The ultra-fine grain rolling method of the large titanium alloy bar comprises the following steps that rolling tools are designed, roller design and guide plate design are included, eachroller is designed into a double-curved face type circular truncated cone roller, and specifically, a bus of each roller is formed by connecting two curves, and one face of each guide plate is designed into a curved face; a deformation zone is configured, wherein the curved faces of the two guide plates are oppositely arranged, the two rollers are arranged between the guide plates, and a regiondefined by the two guide plates and the two rollers is the deformation zone; an equal ovality deformation zone is configured, wherein ovality in the deformation zone is kept unchangeable; and a rolling feeding manner is selected, wherein a backward advancing rolling manner is adopted. According to the ultra-fine grain rolling method of the large titanium alloy bar, by designing the double-curved face type circular truncated cone rollers and the curved face-shaped guide plates and configuring the equal ovality deformation zone, intensive plastic deformation can be generated on the promise of remarkably restraining a Mannesmann effect of the heart.

The invention discloses a single-component intumescent flame retardant with free radical quenching function, a preparation method and applications thereof. The preparation method comprises: carrying out a reaction by using cyanuric chloride, alkoxy silane, a hindered amine monomer and a diamine monomer as raw materials sequentially at 0-25 DEG C and 45-65 DEG C to obtain an intermediate product; and carrying out ion exchange and nucleophilic substitution reaction on the intermediate product, a nitrogen-phosphorus flame retardant and a diamine monomer at 80-120 DEG C to prepare the single-component intumescent flame retardant with free radical quenching function, wherein the single-component intumescent flame retardant is used in polypropylene fire retardation. Compared with the flame retardant in the prior art, the single-component intumescent flame retardant of the invention has the easily controlled phosphorus-nitrogen ration, easily achieves the efficient coupling of free radical quenching and intumescent charring, has high flame-retardant efficiency, can achieve efficient flame-retardant effect only at a small adding amount, further has outstanding water resistance, and is widely applied to the fields of electronic and electrical appliances, architectural decoration, automobile parts and the like.

The invention relates to a reverse cone spiral roller ultra-fine grain rolling method of a large-size aluminum alloy bar, and relates to the field of mechanical processing. The method includes the following steps that a rolling tool is designed, wherein roll design and guide plate design are specifically included, and rollers are arranged to be double curved surface type circular-table-shaped spiral rollers; a deformation zone is constructed, wherein the curved surfaces of two guide plates are oppositely arranged, the two rollers are placed between the guide plates, and an area defined by thetwo guide plates and the two rollers is the deformation zone; an equal-ovality deformation zone is constructed, wherein the ovality in the deformation zone remains unchanged; and a rolling feeding mode is selected, wherein a reverse rolling mode is adopted. According to the reverse cone spiral roller ultra-fine grain rolling method of the large-size aluminum alloy bar, the double curved surface type circular-table-shaped spiral rollers and the curved surface guide plates are designed, the equal-ovality deformation zone is constructed, and acute plastic deformation is generated on the premise that the heart Mannesmann effect is significantly suppressed.

The invention relates to the field of machining, in particular to a reverse conical spiral roller ultra-fine grain rolling method of large high-temperature alloy bars. The method includes the following steps that design of rolling tools specifically includes roller design and guiding plate design, and rollers are set to be double-curved-surface type truncated-cone-shaped spiral rollers; a deformation zone is constructed as follows: curved surfaces of two guiding plates are placed oppositely, the two rollers are placed between the guiding plates, and the zone defined by the two guiding plates and the two rollers is the deformation zone; an equal-ellipticity deformation zone is constructed as follows: the ellipticity is unchanged in the deformation zone; the rolling feeding manner is selected as follows: the back feeding type rolling manner is selected. According to the method, the double-curved-surface type truncated-cone-shaped spiral rollers and the curved guiding plates are designed,and the equal-ellipticity deformation zone is constructed, so that severe plastic deformation can be produced on the premise that the core Mannesmann effect can be suppressed remarkably.