111 results about "Separating agent" patented technology

The invention relates to a method for monitoring and / or controlling a CO2 separation apparatus (10) for separating CO2 from a supplied gas flow (14), in particular air flow (14), from the surroundings, in which method the weight and / or expansion of in particular free flowing CO2 separation agents are / is measured, in particular by means of a sensor unit (42), when the CO2 separation process and / or the CO2 release process is carried out, and an information signal and / or control signal are / is output.

Proposed is a method for producing a grain-oriented electromagnetic steel sheet, with which it is possible to further improve magnetic properties and suppress fluctuations in magnetic properties and film properties in a coil without using an inhibitor. This method for producing a grain-oriented electromagnetic steel sheet includes: a hot rolling step for hot rolling a steel roll material having a constituent composition which contains C, Si, Mn, acid-soluble Al, N and Sb and in which S and Se are contained so as to satisfy a prescribed relational expression; an optional hot-rolled sheet annealing step; a cold rolling step; an acid washing step; a primary recrystallization annealing step; and a finish annealing step. In intermediate annealing in the hot-rolled sheet annealing step or cold rolling step before a final cold rolled steel sheet is obtained, the γ-phase fraction in the steel structure at the annealing temperature is 1.0-25.0 vol%, the average cooling speed after annealing is 20-50ºC / s, acid washing is carried out using a solution which contains 2-15 mass% of Fe ions and has an acid concentration of 1-20 mass% in the acid washing step, and an annealing separating agent contains a Ti compound at a quantity of 0.3-8 parts by mass in terms of Ti relative to 100 parts by mass of magnesia in the finish annealing step.

This invention provides a method for manufacturing oriented electromagnetic steel sheets that significantly improves manufacturability, and an apparatus for implementing the method. The method for manufacturing oriented electromagnetic steel sheets comprises the following series of steps: hot rolling a steel billet having a specified composition; hot-rolled sheet annealing; cold rolling once or twice with a total reduction rate of 80% or more from the thickness of the obtained hot-rolled sheet to the thickness of the cold-rolled product; recrystallization annealing; coating the steel sheet surface with an annealing separating agent; final product annealing; and planarization annealing for planarization. In this method for manufacturing oriented electromagnetic steel sheets, the grain boundary occupancy of recrystallized carbides in the hot-rolled sheet after annealing and before cold rolling is 80% or more, and the initial reduction during cold rolling is set to a strain rate of 200 / s or less, a reduction rate of 30% or less, and a steel sheet temperature of 90°C or less when biting into the rolls.

The application relates to the technical field of road engineering machinery, in particular to a separating agent spraying device for a rubber-tired road roller and a spraying control method. The device comprises an information acquisition unit, a spraying device and a controller. The controller dynamically determines a target spraying amount and controls the spraying device to execute based on the rubber wheel surface adhesion state information acquired by the information acquisition unit in real time, forming a real-time feedback control closed loop. The controller has a built-in mapping relationship model, and the model is iteratively updated after each spraying according to the state information collected again as effect data, realizing self-learning and continuous optimization of the system. The scheme realizes the leap of separating agent spraying from a fixed mode to dynamic and accurate regulation and control through the construction of an intelligent closed loop of "perception-decision-execution-optimization", solves the problem of material waste; at the same time, by introducing the model online updating mechanism, the system has self-adaptive ability and can continuously optimize the control strategy according to the working conditions, realizing long-term optimal control performance and material utilization.

Provided is a separation agent having a carrier and a ligand that is supported on the surface of the carrier by means of physical adsorption or chemical bonding, wherein the ratio of the particle diameter d90 to the particle diameter d10 of the separation agent is 1.00-1.38, the carrier is core-shell particles having an inorganic non-porous core and a porous shell, the porous shell contains silica gel, and the ligand is one or more selected from the group consisting of optically active polymers, optically inactive polyesters, proteins, and nucleic acids. The separation agent has good separation performance.

Provided is a method for producing an oriented electromagnetic steel sheet capable of improving magnetic flux density. When a steel material having a predetermined component composition is subjected to hot rolling, cold rolling, decarburization annealing, application of an annealing separation agent, and finish annealing in sequence, the present invention controls: a storage condition between final cold rolling of a cold rolled plate coil and decarburization annealing; and a temperature fluctuation management condition provided in the middle of the temperature raising process of the decarburization annealing.

The invention relates to a rotary valve (10) for adjusting the flow rate of a gravity-driven flow (12) of a pourable material (14, 14'), in particular a pourable CO2 separation agent (14, 14') in a CO2 separation device (10) for separating CO2 from a supplied air flow (40). The rotary valve (10) has a rotatably mounted valve element (22) with a through-channel which forms, between a channel inlet (28) and a channel outlet (30), a maximum passage angle (32) relative to a horizontal plane (34) for the gravity-driven flow (12) of the pourable material (14, 14'), said maximum passage angle (32) being variably adjustable by rotating the valve element (22), and thus the through-channel (26), relative to the horizontal plane (34) in order to adjust the flow rate of the gravity-driven flow (12) of the pourable material (14, 14').

The invention discloses a silicon nitride ceramic chip and a preparation method thereof, and relates to the technical field of ceramic materials. Comprising the following steps: 1, sequentially adding ceramic powder and a sintering aid serving as solid-phase components into a solvent, adding a binder, uniformly mixing, and carrying out mixing and ball milling to obtain ceramic slurry; step 2, coating the ceramic slurry on a membrane belt for tape casting, and drying to obtain a first green sheet and a second green sheet with different thicknesses; 3, the two faces of the second green body piece are coated with a separating agent, and then the second green body piece and the first green body piece are alternately stacked; sintering in a nitrogen atmosphere, and stripping along a separating agent interface after sintering to obtain a first silicon nitride ceramic chip and a second silicon nitride ceramic chip; the silicon nitride ceramic chips are silicon nitride ceramic chips with different thicknesses; the thickness of the first green body sheet is smaller than or equal to 0.15 mm, and the thickness of the second green body sheet is larger than or equal to 0.20 mm. The silicon nitride ceramic chip prepared by the invention has good cutting yield and preparation yield, and the ceramic chip has good appearance performance.

A method for monitoring and / or controlling a CO2 separation device (10) for separating CO2 from a supplied gas stream (14), in particular an air stream (14) from an environment, is presented, wherein a weight and / or an extent of, in particular, pourable CO2 separation agents is determined during the execution of the CO2 separation process and / or the CO2 release process, in particular by means of a sensor unit (42), and an information signal and / or control signal is / are output.

1. Name of the design product: Dental separating agent packaging box (01). 2. Use of the design product: This design product is used for packaging products. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photo that best shows the design key points: Perspective view.

The invention discloses a high-valued recycling method of waste lithium ion battery aluminum powder, and belongs to the technical field of battery recycling, the method comprises the following steps: adding waste lithium ion battery aluminum powder into a high-temperature reactor, heating, cooling, putting into a separating agent solution, separating through a superconducting magnetofluid to obtain wet aluminum powder, and recycling the wet aluminum powder to obtain the high-valued recycling method of the waste lithium ion battery aluminum powder. Removing wastewater after ultrasonic screening, drying to obtain dry aluminum powder, adding the dry aluminum powder into vacuum distillation equipment after hydrogen reduction reaction, adding a cosolvent, uniformly mixing, heating to evaporate the dry aluminum powder, and condensing and recycling to obtain an electronic-grade aluminum powder product. In the high-valued regeneration process of the waste lithium ion battery aluminum powder, processes such as separating agent separation, superconducting magnetofluid, hydrogen reduction and co-dissolution high-temperature evaporation are added, the operation is simple and convenient, the value of the final electronic-grade aluminum powder product is greatly improved, and large-scale industrial production can be realized.

The application provides a polyimide insulating paint, preparation and application thereof. The polyimide insulating paint comprises a polyimide precursor, a crosslinking agent and a phase separation agent, the polyimide precursor is formed by reaction of aromatic diamine and aromatic dianhydride in an organic solvent, the aromatic dianhydride comprises 3,3',4,4'-diphenyl tetracarboxylic dianhydride with a molar content of 10-30%; the phase separation agent is an organic solvent with a boiling point higher than 170 DEG C, and the content of the crosslinking agent and the phase separation agent is respectively 0.1-10wt% and 10-50wt% of the total mass of aromatic dianhydride and aromatic diamine. The application also provides an electromagnetic wire comprising a conductor and an insulating layer coated on the surface of the conductor, the insulating layer is formed by coating and curing of the polyimide insulating paint of the first aspect. The polyimide insulating paint provided by the application has the advantages of low BPDA content, low cost, resistance to ATF oil water and high PDIV.

The utility model relates to the technical field of asphalt paving, in particular to an asphalt pavement anti-bonding paving tool which comprises a bulldozing rake rod, one end of the bulldozing rake rod is connected with a scraper, and the asphalt pavement anti-bonding paving tool is characterized in that a liquid conveying system is arranged on the bulldozing rake rod and comprises an opening and closing valve, a liquid storage tank and a liquid conveying pipeline, the liquid storage tank is arranged between the opening and closing valve and the liquid conveying pipeline; the liquid storage tank is filled with an asphalt separant and is fixed on the bulldozing rod through an annular fastening buckle, and the annular fastening buckle is welded on the surface of the bulldozing rod; the liquid conveying pipeline is fixed to the surface of the bulldozing rod through an annular ring and extends to the scraper in the length direction of the bulldozing rod, the liquid conveying pipeline is of a Y-shaped structure, the forked position of the liquid conveying pipeline extends in the width direction of the scraper, and a plurality of liquid conveying holes are formed in the portion, on the surface of the scraper, of the liquid conveying pipeline. The problem of scraper adhesion is effectively solved, and the operation efficiency of workers and the utilization rate of the bulldozing rake are improved.

The invention discloses a water-swelling elastic plugging agent for a water-based drilling fluid and a preparation method of the water-swelling elastic plugging agent. The water-swelling elastic plugging agent comprises the following components in parts by weight: 100 parts of a polyolefin elastomer matrix material; 15 to 20 parts of a reinforced matrix material; 0.8 to 1.5 parts of a polyolefin elastomer matrix material cross-linking agent; 8 parts to 15 parts of a reinforcing agent A; 20 to 30 parts of a reinforcing agent B; 15 to 30 parts of super absorbent resin; 15 to 20 parts of a plasticizer; 0.2 to 0.8 part of an isolating agent; 0.5 to 1 part of an anti-aging agent; the plugging agent provided by the invention is simple in preparation process, not only is beneficial to industrial production, but also is convenient to prepare plugging slurry on site, can achieve a good plugging effect, and provides an effective technical means for well leakage treatment.

The present invention pertains to a model for predicting the weight of oxygen per unit area after decarburization annealing, which is used when manufacturing a grain-oriented electrical steel sheet by hot-rolling a steel material for the grain-oriented electrical steel sheet, annealing the hot-rolled sheet as necessary, cold-rolling once or cold-rolling twice or more with intermediate annealing interposed therebetween, decarburizing and annealing, and predicting the weight of oxygen per unit area after decarburization annealing. A grain-oriented electrical steel sheet is produced by applying an annealing separation agent containing MgO as the main component to the surface of a steel sheet and then performing final annealing, the model being obtained by applying, as explanatory variables, at least three of a steel raw material component, annealing conditions before final cold rolling, and decarburization annealing conditions. And target variables corresponding to the explanatory variables are constructed as the oxygen weight per unit area after the decarburization annealing. Further, a grain-oriented electrical steel sheet is manufactured by setting decarburization annealing conditions using the constructed model for predicting the weight of oxygen per unit area so that the weight of oxygen per unit area after decarburization annealing reaches a target value.

A rotary valve (10) is proposed for adjusting the flow rate of a gravity-driven flow (12) of a bulk material (14, 14'), in particular a bulk CO2 separation agent (14, 14') in a CO2 separation device (10) for separating CO2 from a supplied air stream (40). The rotary valve (10) has a rotatably mounted valve element (22) with a through-channel which forms a maximum through-angle (32) relative to a horizontal plane (34) between a channel inlet (28) and a channel outlet (30) for the gravity-driven flow (12) of the bulk material (14, 14'), wherein the maximum through-angle (32) can be variably adjusted by rotating the valve element (22) and thus the through-channel (26) relative to the horizontal plane (34) in order to adjust the flow rate of the gravity-driven flow (12) of the bulk material (14, 14').

The utility model relates to the technical field of film processing, and discloses a separant adding device for pasty film processing. Comprising a transmission roller and further comprises a film body arranged on one side of the transmission roller, and guide rollers are connected to the two sides of the lower portion of the film body; according to the utility model, through the arrangement of the feeding assembly, the film body can be soaked in a material by the feeding assembly, so that the film body can be in full contact with a separant, and the laminating roller can extrude the film body coated with the separant, so that the thickness of the separant on the film body is uniform; meanwhile, redundant separant on the film body can be extruded out, the separant is kept to be evenly fed on the film body, the drying assembly is arranged, the film body coated with the separant can be rapidly dried through the drying assembly, therefore, the drying time of the film body can be saved, and then the production and preparation efficiency of the film body is improved.

The application provides a special grease for engineering machinery and a preparation method thereof, and belongs to the technical field of greases. The grease is prepared from the following components in parts by weight: 75-90 parts of composite base oil, 7-10 parts of composite soap, 3-7 parts of composite anti-wear agent, 0.2-1.5 parts of composite antioxidant, 0.2-3 parts of alkaline stabilizer, 0.01-0.05 parts of rust inhibitor, 0.5-5 parts of water separating agent and 5-30PPm of defoaming agent. The self-made composite anti-wear agent and the low-amount rust inhibitor are used, so that the protection of the grease on the friction pair is more comprehensive, and the anti-wear performance is more excellent.

The present invention relates to a container comprising a fiber-based body made of a first natural organic material and an inner coating of the fiber-based body, wherein the fiber-based body comprises a separation agent for separating the fiber-based body. Furthermore, a device and method for manufacturing such a container are provided.

A metal matrix composite material is made from a powder mixture with magnesium having a purity of at least 95.0% and with separating agent and with hexagonal boron nitride, graphene oxide, molybdenum sulphide and / or other particles having a hexagonal structure, with up to 2% by weight of the release agent and up to 5% by weight of the particles having a hexagonal structure.

The utility model relates to the technical field of waste recovery, and provides a continuous aluminum-plastic separator, which comprises a feed hopper, a reaction box body, a motor frame, a motor and a bottom support frame, a plurality of layers and rows of reaction tanks are arranged in the reaction box body, a separating agent and an aluminum-plastic material can be continuously reacted, the separating agent and the aluminum-plastic material are fed and discharged at the same time, and the separation efficiency is improved. The equipment blank in the industry field is filled, redundant separating agents are recycled through the separating agent collecting bin, waste of resources is avoided, and the environmental protection property in the treatment process can be guaranteed.

The invention relates to a carbon dioxide absorbent, which comprises the following raw material components: primary and secondary amine, tertiary amine and water, and is characterized in that the raw material components further comprise a phase separating agent, and the phase separating agent is obtained by chemical reaction of alanine and inorganic quaternary ammonium base; the carbon dioxide absorbent is combined with CO2 to form a split-phase system, the split-phase system comprises an upper phase system and a lower phase system, the upper phase system comprises a first part of the tertiary amine, and the lower phase system comprises a composition with a water shell structure, a composition of primary and secondary amine and CO2, a second part of the tertiary amine and free water; the composition with the water shell layer structure is composed of a phase separating agent and water, and the diameter of the composition with the water shell layer structure is (8 * 10 <-10 >)-(20 * 10 <-10 >) m. The technical problem that an existing carbon dioxide absorbent is high in regeneration energy consumption is solved.

The utility model relates to the technical field of rubber sheet production, and discloses a powdery rubber sheet separant dipping device. Comprising a box body and further comprises a supporting rod arranged on one side of the box body, the upper portion of the supporting rod is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a lead screw, and the outer portion of the lead screw is connected with a threaded sliding block. The operation is simple and fast, meanwhile, the powder blowing assembly is arranged, the powder blowing assembly can suck the separant in the material box and spray the separant on all the rubber pieces from the upper portion of the box body, when the separant falls into the box body, the air blower can blow away the powdery separant to all the positions of the box body, and therefore the separant can be sprayed on the rubber pieces. Therefore, the separant can be quickly and uniformly attached to each film, so that the working intensity of workers can be reduced, the production efficiency is improved, and the device is suitable for batch processing and use.

A method for producing an effect pigment (2) is disclosed. The method comprises the step of providing a donor film (8) having a relief structure (12) arranged thereon having a high mesa (12a), a recessed region (12c) and a side surface (12b) located therebetween. A reflective layer (16) is applied to the relief structure (12). An acceptor film (4) is provided, which has an adhesive layer (6) arranged on one side thereof. A first layer composite (1) is formed from the donor film (8) and the acceptor film (4), the adhesive layer (6) of the acceptor film (4) being pressed together with the reflective layer (16) of the donor film (8) in a high mesa (12a). The donor film (8) is peeled off from the acceptor film (4), the reflective layer (16) on the recessed regions (12c) and the side surfaces (12b) remains on the donor film (8) as a residual layer (26), sub-blocks (25) of the adhesive layer (6) and the reflective layer (16), which are previously arranged on the high mesa (12a), lie on the acceptor film (4), and the sub-blocks (25) are peeled off from the body film (4), the outer contour of the effect pigment (2) is predetermined by the configuration of the high mesa (12a). In the method, the relief structure (12) is subjected to a visbreaking pretreatment prior to the application of the reflective layer (16) over the entire surface, and the stripping of the sub-blocks (25) as effect pigments (2) from the receptor film (4) comprises stripping or releasing the adhesive layer (6), or differentiating the sub-blocks (25) using a separating agent, the adhesive layer (6) remaining on the receptor film (4).

This method for producing a grain-oriented electrical steel sheet is provided with a hot rolling step, a hot-rolled sheet annealing step, a cold rolling step, a decarburization annealing step, an annealing separating agent application step, a nitriding step, and a final annealing step, the final annealing step having a temperature rise step and a soaking step, a temperature gradient of 0.5 DEG C / cm or more is generated in a boundary region between a primary recrystallization region and a secondary recrystallization region in at least one period from the start of the secondary recrystallization to the end of the secondary recrystallization in the temperature raising process; in the decarburization annealing step, in at least one stage between the decarburization annealing step and the final annealing step, or in the temperature raising step of the final annealing step and before the start of the secondary recrystallization, annealing is performed in an atmosphere containing a gas having nitriding ability. The nitrogen content of the steel sheet after the nitriding treatment step is set to 210 ppm or more on a mass basis, and the nitrogen content of the steel sheet after the nitriding treatment step is set to 210 ppm or more on a mass basis.

The utility model relates to the technical field of rubber films, and particularly discloses a film cooling and isolating agent integrated device which comprises an isolating pool, an immersion cavity is arranged on the inner side of the isolating pool, a plurality of synchronous structures are arranged in the immersion cavity, each synchronous structure comprises a cooling roller, and rotating rollers are symmetrically arranged in the immersion cavity. Sealing bearings are symmetrically arranged on the circumferential surfaces of the two cooling rollers and the circumferential surfaces of the rotating rollers, each cooling roller and each rotating roller are rotationally installed on the isolation pool through the sealing bearings, fixing rings are symmetrically and fixedly installed on the circumferential surfaces of the two rotating rollers, and a plurality of connecting plates are fixedly installed between every two fixing rings. A plurality of fixing blocks are fixedly installed on the outer side of each connecting plate, an ultrasonic generator is fixedly installed on the outer side of each fixing block, the synchronous structure is arranged, and the cooling rollers are arranged in a parallelogram shape, so that when a film is conveyed, the cooling rollers can make full contact with the film, double-face alternate cooling is formed on the film, and the film can be cooled conveniently. The spacer fluid can be fully contacted with the film, and the processing quality is improved.

Provided is a separating agent for optical isomers, which is excellent in solvent resistance and has optical separating ability comparable to or higher than that of existing separating agents for optical isomers of chemical bonding type or physical adsorption type. In the separating agent for optical isomers, amylose (3-chloro-5-methylphenylcarbamate) is supported on a carrier through chemical bonding.

To provide a dead cell separating agent that enables selective and simple removal of dead cells present in a eukaryotic cell culture liquid, as well as a method for producing eukaryotic cells using the separating agent.SOLUTION: The foregoing problem is solved by the dead cell separating agent comprising an insoluble carrier and Tim4 (T-cell immunoglobulin and mucin domain 4) immobilized on the insoluble carrier.SELECTED DRAWING: None

The invention relates to a construction method of a building surface layer, in particular to a one-time forming construction method of the building surface layer, which comprises the following steps of: tamping and flattening a foundation by using tamping equipment; or constructing a steel pipe for supporting the template, a supporting plate and a bent frame of a square keel to obtain a flat foundation layer or a template layer; after the formwork is corrected, anti-leakage strips are pasted to all the gaps, and a concrete separant is sprayed on the formwork; a concrete surface layer line and a reinforced concrete structure layer line are sequentially marked on the lower portion of the column reinforcement cage from bottom to top; after a layer of concrete is laid, a reinforcing mesh is laid; a reinforced concrete structure layer is obtained after a laser transmitter and a laser leveling machine are used; the concrete pouring thickness is determined through a concrete surface layer line, and the effects of scraping, slurry extraction, compaction and one-time survival can be achieved after all areas are constructed; the column reinforcement cage serves as a floor height reference, the upper reinforcement mesh and the lower reinforcement mesh are connected through the n-shaped reinforcement supports, and one-time forming of the building surface layer is achieved through assistance of the laser transmitter and the laser leveling machine.

A method for testing the content of perchlorate comprises the following steps: adding a separating agent and an organic extractant I into a sample for extraction I, adding a fluorescent complexing agent solution into the obtained water phase, mixing, standing for more than 2 minutes, adding an organic extractant II for extraction II, and calculating the content of perchlorate in the sample according to the fluorescence characteristics of the obtained organic phase, the separating agent is prepared from crystals A, potassium chloride and water according to the mass ratio of (0.01-0.03): 1: (40-100); the main component of the crystal A is methylene blue; the fluorescent complexing agent is a phthalic acid bisamide derivative. The method is high in sensitivity and accurate in quantification; the capacity of resisting interference of inorganic anions is achieved, the sample pretreatment requirement is reduced, and the good detection effect on multiple kinds of liquid is achieved; the instrument hardware requirement is low, and the detection cost is low.