25results about How to "Guaranteed viscosity" patented technology

The invention relates to the technical field of electroslag remelting slag. The invention discloses a special slag system for an ingot pulling type electroslag remelting nitrogen-controlled austenitic stainless steel ingot, which comprises the following components in percentage by mass: 45-50% of CaF2, 25-30% of Al2O3, 15-20% of CaO, 3-6% of MgO, 5-10% of SiO2 and the balance of impurities, and the content of the impurities is less than or equal to 1%. The binary alkalinity CaO / SiO2 is 1.5 to 4; the melting point of the special slag system is 1250-1280 DEG C, the viscosity value of the special slag system at the temperature of 1600 DEG C is 0.044-0.053 Pa.s, and the resistivity of the special slag system at the temperature of 1600 DEG C is 0.51-0.55 omega.cm. According to the slag system, by optimizing the components of the slag system, the physical and chemical properties of the slag system are further improved, the slag-metal reaction is inhibited, and the production process requirements of ingot pulling type electroslag remelting large stainless steel ingots are met. The produced nitrogen-controlled austenitic stainless steel ingot is good in surface quality and free of defects such as obvious pits, slag runners and double skins; and easily oxidized elements Al and Si in the steel in the remelting process are uniformly distributed in the height direction of the cast ingot, so that the uniformity of alloy textures is ensured.

The invention discloses a roughing machine for electrical element insulation porcelain bushing production, and relates to the technical field of insulation porcelain bushing production, the roughing machine comprises a support frame, the top of the support frame is fixedly connected with a conveying motor, the side edge of the conveying motor is fixedly connected with a reduction gearbox, and the right side of the top of the support frame is fixedly connected with an extrusion conveying device; the right end of the extrusion conveying device is fixedly connected with a mixing box, and the bottom of the mixing box is fixedly connected with a vacuum mixing assembly. According to the rough refining machine for producing the electrical element insulation porcelain bushing, the interior of the vacuum box is in a vacuum state through the vacuum pump, at the moment, air in pug is pumped away in the vacuum box, finally, the pug is mixed and extruded in the vacuum environment, the pug is prevented from sucking air in the air again in the mixing process, the tightness of the pug is effectively improved, and the pug is prevented from being damaged. The quality of the pug is improved, and meanwhile, the situation that the pug to be processed is exposed in the air for a long time to cause moisture loss and drying, and the mixing of the pug is influenced is avoided.

The invention relates to the technical field of acrylic emulsion, in particular to high-stability salt-spray-resistant water-based acrylic emulsion and a preparation method thereof. The preparation method comprises the following steps: adding amino-terminated polyamidoamine into dichloromethane, uniformly stirring, dropwise adding acryloyl chloride, carrying out rotary evaporation, adding into water, adding butyl acrylate, styrene, 3-mercaptopropionic acid, acrylic acid and an emulsifier, and stirring to obtain a prefabricated material a; adding sodium carbonate into water, stirring, adding the prefabricated material a and sodium persulfate, and stirring to obtain a prefabricated material b; adding carbon nanotubes into an ethanol aqueous solution for ultrasonic dispersion, adjusting the pH value of the system, adding tetrabutyl titanate for ultrasonic treatment, adding triethylamine and a silane coupling agent for ultrasonic treatment, and performing vacuum drying to obtain a prefabricated material c; adding the prefabricated material a into the prefabricated material b, stirring, adding ammonium persulfate, stirring, filtering, adding the prefabricated material c, a dispersing agent, an anti-rust pigment and water, uniformly mixing, grinding and filtering. The emulsion can be dispersed to form a stable emulsion, the film forming compactness is excellent, the water resistance and the salt fog resistance are improved, and the heat-resistant stability is greatly enhanced.

The application discloses a heterogeneous solution ground volumetric distribution stepless adjusting device and a use method, and the device comprises a reciprocating mechanism and a hydraulic reversing mechanism; the hydraulic reversing mechanism comprises a sleeve base and a reversing shaft base, a hydraulic unit is arranged in the sleeve base, a reversing unit is arranged in the reversing shaft base, the hydraulic unit and the reversing unit are connected through an intermittent mechanism, and the reversing shaft base is communicated with the sleeve base; the reciprocating mechanism is connected with the reversing unit, and the reciprocating mechanism leads out an output shaft and is used for connecting a damping device. The volumetric structure is adopted to suck and discharge the heterogeneous solution, the shearing of polymer molecules and particles in the injection liquid in the heterogeneous solution injection process is reduced, the viscosity of the heterogeneous solution is ensured, and low-shearing injection is realized.

The invention provides a coconut milk stabilizer as well as a preparation method and application thereof. The coconut milk stabilizer comprises the following components: modified xanthomonas polysaccharide, modified fenugreek gum, carboxymethyl chitosan and sodium alginate in a mass ratio of (0.5-1.5): (1.0-3.0): (1.5-2.5): (1.0-2.0). Wherein the modified xanthomonas polysaccharide and the modified fenugreek adhesive tape are negatively charged and can prevent mutual approaching and collision among fat drops and protein molecules through electrostatic repulsion, so that aggregation among the fat drops and the protein molecules in the coconut milk is prevented, and floating of the fat drops and precipitation of the protein are prevented; therefore, the long-term stability of the coconut milk system is maintained. Meanwhile, the modified xanthomonas polysaccharide, the modified fenugreek gum and the carboxymethyl chitosan can increase the viscosity of the coconut milk, help fat drops and protein molecules to be uniformly dispersed, and also help to slow down the movement speed of the fat drops and the protein molecules and reduce the possibility of collision and aggregation of the fat drops and the protein molecules, so that the formation of floating and precipitation is indirectly prevented.

The embodiment of the invention discloses a silicon-based negative electrode material and a preparation method thereof, a negative electrode plate and a battery, and belongs to the technical field of batteries, the silicon-based negative electrode material is obtained by sintering a precursor, and the precursor comprises a silicon source, a lithium source and a fluxing agent; wherein the fluxing agent comprises lithium fluoride, and the fluxing agent accounts for 1%-8% of the total mass of the silicon source and the fluxing agent. According to the silicon-based negative electrode material provided by the invention, the volume expansion effect can be reduced, meanwhile, the integrity of an SEI film can be ensured, the loss of active lithium is reduced, and the effective energy density of a negative electrode plate and the cycling stability of the silicon-based negative electrode material are improved.

The utility model discloses a double cooling snow making is with sliding vane type air compressor, including mainframe shell, mainframe shell one end installs middle oil cooler, middle oil cooler side surface is connected motor cooling fan, motor cooling fan side surface installs drive motor, drive motor one end is equipped with rear air cooler, middle oil cooler side surface is connected oil gas separator. This double cooling snow making is with sliding vane type air compressor, through installing middle oil cooler in mainframe shell one end, simultaneously in middle oil cooler side surface is connected motor cooling fan, and in motor cooling fan side surface installs drive motor, and the layout is reasonable compact, utilizes motor fan and carries out air cooling, need not for air cooler alone design air duct or installation position, when using, it is more convenient in the snow making site deployment and transportation of limited space, not only reduced manufacturing cost also reduced operating energy consumption, improved the economy and reliability of system.

This invention relates to a metal ion crosslinking stabilizer. It primarily addresses the problems of existing gel profile control agents, such as short gelation time, easy damage to medium and low permeability layers during injection, and inability to achieve deep reservoir sealing. Its components and proportions by mass percentage are as follows: 1%-2% retarder, 3%-5% reinforcing agent, 1%-3% regulator, 4%-5% ion stabilizer, 1%-2% water purifier, and the balance being water. Preparation method: 1) Add the ion stabilizer and reinforcing agent to water according to the proportions and mix evenly in a 45°C water bath; 2) Add the regulator to the mixture and mix evenly; 3) Add the retarder and maintain the water bath for 2-3 hours; 4) Add the water purifier to obtain the target product. This metal ion crosslinking stabilizer can be used as an auxiliary additive component in the formulation of polyacrylamide ion crosslinking profile control agent systems. It can prolong the gelation time of the profile control agent, ensure the gel viscosity of the profile control agent, improve the stability of the profile control agent, and achieve effective sealing of the system.

The invention discloses an oil-in-water emulsion workover fluid and a preparation method thereof, and relates to the technical field of workover fluids, the oil-in-water emulsion workover fluid comprises the following raw materials by weight: 28-30 parts of water, 65-67 parts of white oil, 3-5 parts of a modified sorbitol-based emulsifier, and 2-4 parts of a modified sodium polyacrylate thickener. According to the modified sorbitol-based emulsifier prepared by the invention, the high temperature resistance is improved, the salt tolerance of the modified sodium polyacrylate thickener at high temperature is enhanced, and the oil-in-water emulsion workover fluid can be endowed with relatively strong high-temperature stability.

The invention relates to a laser-carved automotive trim polyurethane synthetic leather and a preparation method thereof, a predetermined pattern is formed on the laser-carved automotive trim polyurethane synthetic leather through a laser-carved process, and the laser-carved automotive trim polyurethane synthetic leather sequentially comprises a surface treatment layer, a surface layer, a transparent barrier layer, a foaming layer and a base cloth layer from outside to inside. According to the invention, the transparent barrier layer is arranged on the foaming layer, so that color migration generated by laser etching in a high-temperature oxidation process can be effectively blocked, and stable colors of different batches of products after laser etching are ensured.

The utility model relates to the technical field of textile size, in particular to accurate preparation equipment for textile size, which comprises a stirring barrel for stirring and mixing, a viscosity monitoring component for monitoring the viscosity of the textile size and a controller, and a raw material vibration screening and feeding component is arranged on one side of the top of the stirring barrel. A stirring assembly is arranged in the stirring barrel, the stirring assembly comprises a driving assembly, stirring blades and a stirring rod, the stirring blades comprise a spiral blade and a fixed blade, the fixed blade is of an I-shaped structure, a first groove is formed in the outer wall of one side of one end of the fixed blade, and a viscosity monitoring assembly is located in the first groove; the viscosity of the textile size can be monitored in real time and adjusted in time, it is ensured that the viscosity is in an ideal state, the product quality is guaranteed, the production efficiency can be improved, the production cost can be reduced, and the product quality and competitiveness can be improved.

The invention discloses a negative thick film photoresist for advanced packaging, the formula of which includes: 40-60 parts by mass of solvent, 30-50 parts by mass of acrylic resin, 3-10 parts by mass of initiator, 10-30 parts by mass of cross-linking agent and 500-1500ppm of additives; the viscosity of the photoresist is 3000-5000mPa.s; the molecular weight of the acrylic resin is 6000-15000, preferably 8500-12000. The invention increases the coating thickness of the photoresist and improves the uniformity of the coating; at a thickness of 110um, exposure and development are performed, followed by electroplating of copper, nickel, and selenium silver, the photoresist surface is intact and not cracked, the photoresist is easy to remove after electroplating, and the angle of the electroplated copper column is steep.

The invention discloses a multi-crosslinking point drag reducer, a variable viscosity fracturing fluid and a preparation method thereof, and belongs to the technical field of oil extraction. The multi-crosslinking point drag reducer comprises, by weight percentage, 8-25% acrylamide, 3-15% N-isopropyl acrylamide, 2-8% acrylic acid, 4-10% methacryloyloxybutyrolactone, 20-35% mineral oil, 0.5-5% primary emulsifier, 1-5% cosolvent, 0.5-2% initiator, 1-3.5% post-treatment emulsifier, and the balance is water; the variable viscosity fracturing fluid comprises, by weight percentage, 0.1-1.0 parts of drag reducer, 0.1-0.6 parts of crosslinking agent, 0.1-0.8 parts of bactericide, 0.1-0.8 parts of drainage aid, 0.1-0.8 parts of clay stabilizer, 0.1-0.5 parts of gel breaker and 100 parts of water, and the drag reducer is the multi-crosslinking point drag reducer. The invention can solve the problems of unstable viscosity and uneven cross-linking structure that occur when a conventional drag reducer and a cross-linking agent are added simultaneously.

The invention belongs to the technical field of cast-in-situ bored pile construction slurry treatment, and relates to an intelligent treatment system for pebble stratum cast-in-situ bored pile construction slurry. According to the method, the target slurry states in different treatment stages are reflected on the basis of analysis of the treatment evaluation indexes of the target slurry in all the treatment stages, existing slurry problems can be solved in a targeted mode, it is ensured that the target slurry maintains good performance, the overall construction efficiency is improved, and by determining the performance correction requirement orientation of the target slurry after treatment, the overall construction efficiency is improved. It is guaranteed that the key performance of the target slurry always meets the construction requirement, it is guaranteed that the hole wall of the cast-in-situ bored pile is stable, accidents such as hole collapse and hole shrinkage of the hole wall of the cast-in-situ bored pile are avoided, the slurry treatment effect evaluation coefficient is analyzed, the slurry treatment change trend of equipment in the historical slurry circulation process of the target slurry is known, and the target slurry treatment effect evaluation coefficient is obtained. The method is beneficial for analyzing the processing stage which may have problems, and pointedly checking equipment faults or optimizing the operation process.

The invention discloses a high-efficiency liquid alkali-free quick-setting agent and a preparation method and application thereof. The quick-setting agent is prepared from a polyacrylate urea-propionamide macromolecular functional component, an aluminum-containing functional component, a fluorine-containing functional component, a dispersant functional component and a thickener functional component. Among them, the poly (acrylate urea / propionamide) macromolecular functional component involved in the invention is prepared from acrylamide monomer, acrylate urea monomer and acrylic acid monomer through aqueous phase free radical polymerization, and the invention mainly utilizes the urea group, amide group and carboxyl group and other functional groups in the designed and prepared poly (acrylate urea / propionamide) macromolecular structure to effectively solubilize and complex aluminum ions to improve the storage stability of the quick-setting agent, and further improves the flowability and construction performance of the quick-setting agent through auxiliary dispersing and thickening functional components. Therefore, the new high-efficiency liquid alkali-free quick-setting agent is stable in storage, does not stratify after long-term storage, has significant quick-setting efficiency, and has broad application prospects.

The invention relates to a metal ion crosslinking stabilizing and retarding agent. The problems that an existing gel profile control agent is short in gelling time, middle and low permeability layers are prone to being damaged in the injection process, and deep plugging of oil reservoirs cannot be achieved are mainly solved. The water purifying agent comprises the following components in percentage by mass: 1%-2% of a retardant, 3%-5% of a reinforcing agent, 1%-3% of a conditioning agent, 4%-5% of an ion stabilizer, 1%-2% of a water purifying agent and the balance of water. The preparation method comprises the following steps: 1) adding the ion stabilizer and the enhancer into water in proportion, and uniformly mixing in a water bath at 45 DEG C; (2) adding a regulator into the mixed solution, and uniformly mixing; the metal ion crosslinking stabilizing and retarding agent can be used as an auxiliary additive component for preparation of a polyacrylamide ion crosslinking profile control agent system, and can prolong the gelling time of the profile control agent, ensure the gelling viscosity of the profile control agent, improve the stability of the profile control agent and realize effective plugging of the system.

The invention provides a batching system for multi-component silicone oil and a use method of the batching system. The batching system comprises a raw material supply unit; the automatic weighing unit comprises a metering pump communicated with each raw material supply unit and a metering tank connected with an outlet of the metering pump; the mixing unit comprises a mixing tank located below the metering tank, a stirrer arranged in the mixing tank and a temperature control module used for controlling the temperature in the mixing tank; the material storage unit comprises a middle storage tank and a first pumping mechanism for pumping the materials in the mixing tank to the middle storage tank; the feeding unit comprises a second pumping mechanism used for pumping the materials in the middle storage tank to a downstream coating device; and the central control unit is used for coordinating and controlling the automatic operation of the whole system. The batching system for the multi-component silicone oil can accurately feed materials, and the viscosity of the silicone oil and the stability of the subsequent coating weight are effectively guaranteed; manual operation is not needed in the batching process, full-automatic operation is achieved, and harm to human bodies is reduced.

The present application relates to the field of polypeptide compositions, and in particular to an oligopeptide complex composition and a preparation method thereof. The oligopeptide complex composition, in terms of mass percentage, comprises the following raw materials: 5-20% oligopeptide complex, 10-25% functional additive, 1-15% particle additive, and deionized water to supplement the balance. The oligopeptide complex composition prepared in the present application can obtain excellent self-stability and anti-hygroscopicity while ensuring its effects such as soil remediation and plant growth promotion. It can replace existing polypeptides / oligopeptides for addition in the preparation of fertilizers, and has excellent applicability in the fertilizer / fertilizer field.

This application provides a caviar-encased cheese popping pearl and its preparation method. The caviar-encased cheese popping pearl includes popping pearl particles and a protective liquid. The popping pearl particles include an inner core and a colloidal solution. The inner core includes the following components in the indicated mass percentages: calcium lactate 1%-2%, calcium chloride 0.05%-0.1%, white sugar 20%-30%, guar gum 0.01%-0.03%, xanthan gum 0.1%-0.2%, gellan gum 0.01%-0.05%, cream cheese 10%-20%, citric acid 0.2%-0.4%, and caviar 2%-5%, with the balance being water. By using a combination of xanthan gum, guar gum, and gellan gum, caviar can adhere to popping boba particles using the compounded colloids. Gellan gum provides good viscosity and gel strength. When used in combination with xanthan gum and guar gum, the viscosity of xanthan gum has a synergistic effect on the entire colloid system. By controlling the amount of guar gum, xanthan gum, and gellan gum, the adhesion of caviar particles can be ensured, while preventing excessive gellan gum from hardening the surface of the popping boba and ensuring the taste of the finished product.

The embodiment of the invention provides an inner container assembly applied to a phase change water heater and the phase change water heater, and the inner container assembly comprises a box body with a containing cavity filled with a phase change material; the heat exchanger is arranged in the containing cavity and comprises a pipeline structure and a plurality of heat-conducting fins which are sequentially arranged at intervals, the pipeline structure is connected with the heat-conducting fins and used for water flow to pass through, the heat-conducting fins make heat transfer contact with the phase-change material, and the phase-change material can be converted into a liquid state from a solid state when the heat-conducting fins release heat; when the heat-conducting fin absorbs heat, the liquid state is converted into the solid state; wherein the distance between every two adjacent heat-conducting fins ranges from 1 mm to 5 mm, and the viscosity range of the phase-change material in the liquid state ranges from 1000 Pa.s to 5000 Pa.s. Through the arrangement, the phase-change material can flow in the gaps between the heat-conducting fins to complete filling, meanwhile, the heat exchange efficiency between the phase-change material and the heat exchanger is high, and the phase-change material has high energy storage efficiency.

The utility model provides a kind of atomization equipment lubricating medium temperature control device and atomization equipment, it is related to the technical field of atomization equipment cooling.The atomization equipment lubricating medium temperature control device includes atomization equipment water cooling pipeline, heat exchanger and lubricating medium pipeline;Heat exchanger is provided with oil path import, oil path export, cooling water import and cooling water export, lubricating medium pipeline is connected with oil path import and oil path export, and atomization equipment water cooling pipeline is connected with cooling water import and cooling water export.The atomization equipment includes atomization equipment lubricating medium temperature control device.The technical effect of cooling atomization equipment lubricating system is achieved.

The present invention relates to an ink mixing device of a printing press, comprising a machine table and a reciprocating assembly on the top. Four vertical guide rods support the top plate and the frame plate of the upper and lower layers, and the top plate is connected to the frame plate through a first electric cylinder to control its lifting. The first cylinder and the second cylinder are arranged horizontally on the frame plate, and the second cylinder pushes the vertical square reciprocating plate to achieve forward and backward lifting, and the printing assembly and the ink mixing assembly are installed on the reciprocating plate. The printing assembly consists of a stabilizing plate on the top of the third cylinder, a bridging fork frame and a brush knife, and a concave screen and a brush plate are arranged in front of the frame plate. The ink mixing assembly includes a base installed on the stabilizing plate, an inverted motor, a mixing seat, a crushing knife, a spoiler and a material box, and is equipped with a flow valve and a drainage hood to guide the ink to the screen printing; it can effectively solve various problems encountered in the mixing process of traditional printing inks, especially for the mixing treatment of inks with different viscosities and multi-component inks.

The utility model provides a bra with a replaceable adhesive surface, which belongs to the technical field of underwear and comprises a mold cup, an adhesive body, an attaching device and a fixing structure. The mold cup is made of an elastic material; the mold cup is provided with an outer veneer and an inner veneer which are oppositely arranged; the adhesive body is provided with a cup sticking surface and a protective surface which are oppositely arranged; the cup attaching surface is adhered to the inner attaching surface; the laminating device is provided with a positioning surface; and the fixing structure is detachably connected with the laminating device, the mold cup and the adhesive body. The outer decorative surface can be attached to the positioning surface, and the mold cup is shaped and limited by a fixing structure; or, the protective surface can be attached to the positioning surface, and the adhesive body is shaped and limited by the fixing structure. According to the laminating device, the mold cup or the adhesive body can be shaped and limited, the bonding operation of the mold cup and the adhesive body is simplified, the mold cup and the adhesive body can be repeatedly used, and the laminating device is environment-friendly, low in use cost and good in bonding viscosity and use comfort; when not in use, the adhesive body and the mold cup are independently packaged, bacteria are not bred, and human health is benefited.

This invention relates to the field of modifier preparation technology, specifically to a mixing equipment and preparation method for toughening modifiers for electronic packaging structural adhesives. The equipment includes a support frame, a material cylinder comprising an inner liner, an outer protective sleeve, and a fixing frame, and a high-precision metering pump on the discharge pipe. A temperature probe is also installed on the side wall of the inner liner. An air inlet pipe connects to an external low-pressure steam heat source. A shearing structure is also provided inside the packing cylinder. A laser particle size analyzer is also embedded inside the packing cylinder. A degassing structure is provided inside the mixing cylinder, including a central shaft, defoaming plates, branch shafts, a turning plate, and an ultrasonic generator. A driving structure is also provided between the central shaft and the branch shafts. A vacuum tube is connected to the inner side of the mixing cylinder, and a vacuum pump is installed on the vacuum tube. An industrial control computer is also located on the outer side of the mixing cylinder. This invention achieves the purification and reuse of high-temperature waste heat airflow in the workshop, and also enables efficient elimination of bubbles in the mixed liquid through multiple methods, improving the precise proportioning and quality of the prepared adhesive solution for packaging structural adhesives.

The invention relates to an application of choline and / or choline ionic liquid in reducing the viscosity of a high-concentration macromolecular preparation. The working concentrations of the choline and the choline ionic liquid are respectively and independently 0-300mM. The invention provides a novel viscosity reducer for a protein liquid preparation with relatively high viscosity, which can effectively reduce the viscosity of a solution without influencing the protein stability, ensure the stability of a protein medicine under the conditions of high-temperature acceleration, normal-temperature shaking and repeated freezing and thawing, reduce the risk possibly caused by high viscosity in the production process of the medicine, and improve the safety of the medicine. The preparation method has a wide application prospect in the field of preparation of subcutaneous injection preparations.