38results about How to "Overcome viscosity" patented technology

The composite oil-displacement agent consists of polymer 0-0.3 wt.%, surfactant 0.05-0.6 wt% and water 99.1-99.95 wt%, and is produced in kettle reactor with coagulated petroleum fraction from raw oil. It has surfactant concentration not higher than available systems, high interface tension reducing effect and stable performance. The ternary composite oil-displacement agent has no alkali and saltwhile reaching superlow interface tension and thus no alkali scale formed, no loss in polymer viscosity and viscolerasticity. In the compounding of the composite oil-displacement agent, common sewagemay be used and this produces certain environment protection effect.

The invention discloses a grouting material for repairing a timber structure of an antique building. By using the grouting material, defects of a timber component of an antique building can be repaired by grouting consolidation in a situation that a roof support does not need to be pulled down in the repairing process of the timber structure, and simultaneously internal deinsectization and anti-corrosive treatment can be effectively carried out on a worm-eaten timber component. The grouting material for repairing comprises the following components in parts by weight: 100 parts of 65% aqueous epoxy resin solution, 100-200 parts of aqueous epoxy resin curing agent, 200-600 parts of water, 800-2000 parts of cement, 1500-3000 parts of sand, 50-200 parts of water soluble wood preservative and 0-100 parts of pulverized fuel ash.

The invention discloses a high-speed mechanical labeling adhesive preparing method, adopting yak milk system casein and corn starch as main raw materials, and assorted with tap water and urea, and the additive includes cross-linking agent, liquefier, rheological control agent defoamer, etc. It places raw materials in a reaction kettle and raises temperature, stirs and gelatinizes, uses the liquefier to regulate pH value at 6.5-7.5 for liquefying, lowers temperature to 40 deg.C, an then makes rheological processing by the rheological control agent to prepare it. The characters: 1, it remarkably reduces the production cost; 2, it overcomes the difficult problem of bad storage stability caused by product viscosity and rheological property in preparing. It has the characters of simple process, and easy for industrialized implementation, etc.

The invention belongs to the technical field of flue gas desulfurization, and particularly relates to a flue gas desulfurization process and device, which aim to solve the problems of an existing flue gas desulfurization process and device. The flue gas desulfurization device comprises a retrograde rotation packed bed absorber, a rotation packed bed desorber, a barren liquid storage groove, a rich liquid storage groove, a barren liquid circulation pump, a rich liquid circulation pump, a heat exchanger and a condenser. The flue gas desulfurization process comprises an absorption process and a desorption process. The device provided by the invention is small in size, has a wide in treatment gas quantity range, and is simple in structure and easy to operate. The process has the advantages of high desulfurization rate, low energy consumption, simple process, low investment and running expense, running stability, convenience in starting and stopping and the like.

The invention discloses a method of high-value comprehensive utilization of bamboo remainders. The method comprises the following steps: selective liquefaction working procedure, filtering separation working procedure and glue-making working procedure. Compared with the prior art, the invention has the advantages that firstly, due to the adoption of the milder selective liquefaction working procedure condition, the liquefaction is performed to the hemicellulose, the lignin and the partial cellulose (mainly amorphous part) which are easier to be liquefied in the bamboo material, the application performances (viscosity, fluidity and storage stability ) of the liquefaction solution are enhanced, the high-purity bamboo cellulose miropowder is also obtained and the high-value and full utilization of the bamboo remainders are realized; secondly, the poisonous eluting solvent is not required to be used for the obtained liquefaction solution, and the obtained liquefaction solution can be directly used for resinified synthesization; the treatment is performed to the liquefaction residuals by adopting hot water and ethyl alcohol to obtain the bamboo cellulose miropowder with high-value utilization; and the liquefaction and separation technology is simpler, more convenient and more environmental-friendly, the energy consumption is greatly reduced and the process is economical and feasible.

The invention relates to a method for efficiently preparing thermal-stability-type slowly digestible starch by combining a chemical method and an enzymic method. Waxy corn is taken as a raw material, and a preparation method comprises the following steps: (1) acid decomposition treatment; (2) washing and drying; (3) heating and pre-gelatinization treatment; (4) amylosucrase treatment; (5) washing, autoclaving treatment and preserving at 4 DEG C; (6) freezing and drying. According to the method provided by the invention, the defects that the waxy corn is high in viscosity and low in enzyme reaction efficiency under the condition of high concentration, the prepared slowly digestible starch is good in stability, and can be used as an original auxiliary material of food processing for being subjected to hot-working treatment, so the slowly digestible starch has wide market prospect and the method is a novel, simple, efficient and safe thermal-stability-type slowly digestible starch preparation method.

The invention discloses an inorganic fiber with solid waste powder as a raw material and a production method thereof. After igniting for 30 minutes at 550 DEG C, the resulting residue comprises the following components by mass percent: 36 to 48% of SiO2, 8 to 21% of Al2O3, 22 to 32% of CaO, 2 to 12% of Fe2O3, 4 to 14% of MgO, 0.1 to 2% of Na2O, 0.1 to 2% of K2O and 0.5 to 3% of TiO. According to the production method, coal ash can be utilized to the maximum; the produced inorganic fiber product is outstanding in water resistance, acid resistance and durability, has a low shot content and is applicable to an external thermal insulation product of a building, a sound absorbing and insulating material, a heat insulation plate, a heat insulation material of an industrial pipeline, etc. The preparation method of the inorganic fiber overcomes the problems due to the melting of the raw material and the control of the molding viscosity and brings a feasible scheme for industrialized application of preparation of the inorganic fiber with coal ash as a raw material.

The invention relates to a computer vision-based system and a computer-vision based method for automatically measuring the viscosity of colored liquid. The system comprises a BS / U / M miniature suspended level viscometer fixed on a fixed bracket, a BS / U / M miniature suspended level viscometer connected with an exhaust system and a BS / U / M miniature suspended level viscometer connected with a computer vision system. The method comprises the following steps: (a) building a viscometer scale mark position template; (b) performing liquid level detection and tracking; (c) measuring the difference between the time when the liquid level passes through a lower scale mark and the time when the liquid level passes through an upper scale mark; and (d) performing the viscosity calculation to obtain the viscosity of liquid measured. The method performs automatic measurement, overcomes errors of manual measurement, and improves measurement accuracy and measurement efficiency.

Eccentricity of a optical fiber installed in a passageway of a ferrule is minimized by imposing a force on the end of the optical fiber projecting from the passageway at the ferrule end face to push the optical fiber to a desired position in the passageway, prior to curing an adhesive used for fixing the optical fiber in the passageway, so as to compensate for eccentricity of the passageway. In one embodiment, the force is imposed on the optical fiber by hanging a weight on the optical fiber. In another embodiment, the force is imposed on the optical fiber by using a pressurized jet of fluid. The point of application of the force, the magnitude of the force, and the viscosity of the adhesive are selected such that minimal optical fiber bending occurs, thereby assuring that the optical fiber is positioned at the desired position in the passageway for an appreciable distance from the ferrule end face along the passageway.

The inVention relates to an applicator used for burn nursing. The applicator is characterized by comprising a medicament cylinder, a protection shell and a piston, wherein the lower end of the protection shell is connected with the upper end of the medicament cylinder through threads, the piston is assembled at one end of an electric push rod which is assembled on a supporting plate in the protection shell, a smooth-transition duckbilled medicament outlet is formed in the lower end of the medicament cylinder, and application cotton is symmetrically arranged on the two side edges of the medicament outlet. When ointment is applied to a patient who is extensiVely burnt, a reduction motor is started, the piston is pushed down to oVercome the Viscosity of the ointment, the ointment is extrudedto the medicament outlet along the wall of the medicament cylinder, the ointment is extruded from the medicament outlet and applied uniformly through the application cotton behind the moVing direction, and the ointment can be well applied one time. The application speed is high, it is not required that the cotton is dipped in the ointment repeatedly, the ointment can be quickly applied to the patient, and time and labor are saVed.

The invention relates to an alkyl benzene sulfonate surface catalyst of the narrow cut alpha-olefin derivatize and its synthesis method and the applied in teritary oil extraction. 1) Choosing perfume raw material (such as benzene, toluene, ethylbenzene, xylene, propyl benzene, cumene or their any mixing substance) to react with the alpha-alkene with the average carbon number 14-24(each raw material is the narrow cut whose carbon chain distribute is less than 3 carbon atoms) to prepare for the narrow carbon chain distributed alkyl perfume compound; 2) Preparing for the narrow carbon chain distributed alkyl benzene sulfonate by sulfonation and inactivating the alkyl perfume compound from the step 1). The alkyl benzene sulfonate with different chain long is single used or matched with the base to form oil displacement surface catalyst product.

The invention belongs to the field of cellulose diacetate products, and particularly relates to a modified cellulose diacetate product as well as a preparation method and application thereof to 3D printing and other fields. The modified cellulose diacetate provided by the invention is prepared by mixing cellulose diacetate, a plasticizer, a hindered phenol antioxidant, a phosphite antioxidant andperoxide. The cellulose diacetate can be used as a 3D printing material for preparing products by adopting a 3D printing method.

The invention relates to an environment-friendly suction and conveying device for conveying of a sludge pipeline. The environment-friendly suction and conveying device comprises a working cylinder, a reversing valve, a suction head, a surface film liquid spray nozzle, a material conveying pipeline, a joint and a sealing outer cover. The environment-friendly suction and conveying device is used for suction and conveying of sludge in a plastic state and a flow state, namely soil with natural water content of more than a plastic limit. The environment-friendly suction and conveying device aims at shortening suction distance, preventing air suction, realizing the conversion of the working cylinder, improving suction and conveying speed and solving the problems of difficulty in suction and conveying of the sludge conveyed by the pipeline and secondary pollution in transportation. The environment-friendly suction and conveying device is not only suitable for transportation of earthwork, as well as clearing and transportation of urban sludge, but also capable of realizing a wide range of applications in petroleum, chemical industry, mining, water conservation and construction projects.

An oil lubricated compressor having a universal motor, efficient starting and re-starting characteristics, and a long operating life. The oil lubricated compressor can have a brushed or brushless universal motor which can drive a cooling fan and a pump. The universal motor can achieve a high torque to voltage ratio, as well as a high torque to current ratio, upon starting or re-starting of the compressor. Optionally, the oil lubricated compressor can use a single cooling fan disposed in the compressor at a location which is between the universal motor and a cylinder head of the pump.

The invention belongs to the technical field of biological product preparation, and particularly relates to a method for preparing a thymosin injection. A calf thymus which passes inspection is removed of inner and outer packaging, and after pretreatment, primary mincing is conducted for 1 to 3 times; the primarily minced calf thymus is subjected to fine mincing and grinding for 3 to 8 minutes tobe prepared into homogenate; the homogenate is subjected to supersonic decomposing in an ultrasonic crushing device, the pH value of a lysate solution is adjusted with an HCl solution to 2.0 to 2.5; the lysed slurry is placed in a cold storage at -20 DEG C for freeze thawing for 1 to 2 times; after the last freeze thawing, heating is conducted to 80 DEG C + / - 2 DEG C, the temperature is kept for 10 to 20 minutes, a filter cloth is used for filtering, and an extraction solution is prepared; the extraction solution is subjected to centrifugal separation, filtration, and ultra filtration to obtain a semi-finished product; and water for injection is added to the qualified semi-finished product to obtain a finished product. The method for preparing the thymosin injection has the advantages thatthe technology is simple, the cost is low, the production cycle can be greatly shortened, manpower and material resources are saved, the production efficiency of thymosin injection is improved, and the application prospect is wider.

The invention discloses a method for preparing lactide through a high-gravity technology. The method comprises the following steps: injecting lactic acid aqueous solution into a high-gravity reactor, and removing free water under carrier gas desorption or a vacuum condition; adding catalyst into anhydrous lactic acid of which the free water is removed, generating polymerization reaction at a certain temperature after even mixing, then, injecting into the high-gravity reactor, further removing reaction water under the carrier gas desorption or the vacuum condition to obtain oligolactic acid; raising the temperature of the reaction liquid to a depolymerization temperature, injecting the reaction liquid into the high-gravity reactor, steaming the lactide from the reaction liquid under the vacuum condition, and cooling to obtain lactide crystal. In the process, a free water removal temperature is 60-100 DEG C, a reaction water removal temperature is 100-140 DEG C, and lactide steaming temperature is 160-220 DEG C. Compared with a traditional vacuum reaction process, the method disclosed by the invention has the advantages of high water removal efficiency, simple production process, high lactide yield and easiness in industrialization.

The invention provides a water-soluble organic salt weighting agent for drilling fluid for oilfields as well as a preparation method and application thereof. The method comprises the steps of preparing an organic acid mixture containing chlorine atoms, wherein the organic acid mixture comprises C1-C6 organic acids; adding composite alkali containing NaOH, KOH, ammonia water, N(CH3)3 and epoxy chloropropane to the organic acid mixture, stirring the materials to react, and evaporating water until the product is pasty or half-dry, wherein the mass ratio of composite alkali to organic acids is (0.2-2):1; drying the product at 80-120 DEG C for 6-24 hours, and grinding the dried product, thus obtaining the granular product. The weighting agent Weigh2 can not only improve the density of solid-free water-based drilling fluid base fluid but also improve the inhibitive capacity of the drilling fluid.

The invention discloses an inspection well sludge pipeline sucking and transporting method, and belongs to pipeline transportation technology of non-Newtonian fluid. The method comprises that a sludge sucking and transporting car is driven to the side of an inspection well, an inspection well cover is opened, a pipeline sucking device is inserted into the inspection well sludge, the sucking device is started, the inspection well sludge is conveyed to a sludge box, the inspection well cover is closed, the sludge is transported to a transfer station and is poured in an underground stainless steel container, and the sludge is dried in the shade and molded through solidification, so that pollution of the sludge to the ambient environment is avoided effectively. The method solves the problems of cleaning of the pipeline, transporting of the inspection well sludge and secondary pollution in the process of transportation. The method has the advantages of being simple in structure, convenient to operate and low in cost. The method is suitable for cleaning and transporting of the inspection well sludge in a city, and meanwhile can be widely used in petroleum, chemical industry, mining, water conservancy, environment protection and constructional engineering.

The invention which relates to a resistance reduction effect tester for a s viscoplastic material pipeline convey surface film belongs to experiment equipment. The tester comprises an experiment table, a mobile plate, a lifting device, a horizontal adjustment system, an air compressor and a vacuum machine. The tester is characterized in that a test plate is fixed on the mobile plate, the surface film to be tested is sprayed, and a test piece is arranged on the surface film; one end of the mobile plate is connected with the lifting device and is provided with a vertical height scale; and a frequency and amplitude adjustable vibrator is arranged on the lower surface of the mobile plate. The tester has the characteristics of simple principle, convenient calculation, real condition approach, and strong comparability. The application of the selected surface film in engineering makes the convey amount be large, the convey distance be long and consumed energy be saved. The tester is suitable for selecting and testing various resistance reduction surface films in the convey of the viscoplastic material pipeline.

An exhaust type cooling device comprises a window arranged on a wall, an exhaust fan and a controller. A moving opening is formed in the middle of thick glass in the middle of the window, the exhaust fan is arranged in the moving opening, the back portion of the exhaust fan is connected with a fixing net rack, brown paper is pasted to the moving opening in the front face of the exhaust fan, and the area of the brown paper is larger than that of the moving opening. The controller comprises a metal outer shell, paraffin blocks, a falling groove, an input power line and an output power line, wherein the input power line in the metal outer shell is arranged over the output power line, and meanwhile, the input power line is bonded to the left wall of the metal outer shell and the falling groove through the paraffin blocks. The exhaust type cooling device can automatically exhaust air in fires and conveniently lower fire losses, and is simple in structure, high in practicability, low in cost and high in firmness.

The invention provides high-viscosity liquid phase granulation equipment, which comprises a precipitation tank, a dispersion cylinder, a liquid dropping disc and a liquid dropping pipe, the liquid dropping disc is provided with a disc surface and a rotating shaft, the rotating shaft is located at the central position of the disc surface and is perpendicular to the disc surface, the disc surface can freely rotate around the central axis of the rotating shaft, the rotating shaft is obliquely arranged, and the liquid dropping pipe drips a polymerization liquid to the disc surface. And the polymerization liquid is scattered into the eluate through the disc surface. According to the dropping tray, under the eccentric action of the high-viscosity reaction liquid in the dropping pipe, the high-viscosity reaction liquid rotates along with the dropping tray, on one hand, the dropping tray can play a role in dispersing the high-viscosity reaction liquid, and continuous or large-particle solids are prevented from being accumulated and separated out of the reaction liquid; and on the other hand, the viscous effect of the high-viscosity reaction liquid and the liquid dropping tray is effectively overcome under the dual effects of the centrifugal effect and the gravity of the liquid dropping tray, similar to that of water drops, the high-viscosity reaction liquid uniformly and quickly enters the precipitation liquid, so that solids with uniform particle sizes are formed, and meanwhile, the precipitation groove adopts a large opening type design, so that blockage can be effectively prevented.

The invention relates to a coating method and a coating machine for lithium battery negative electrode slurry. The coating method comprises the following steps of performing temperature control treatment on the negative electrode slurry, controlling the temperature of the negative electrode slurry to be 40-60 DEG C to enable the viscosity of the negative electrode slurry to meet the coating requirement, and then performing coating. The coating method provided by the invention can realize normal coating of the negative electrode slurry with high solid content, so that the coating effect is improved, and the coating energy consumption is reduced; and meanwhile, the viscosity consistency of different batches of slurry is improved, so that the coating consistency of the negative electrode slurry is improved.

The invention discloses a carboxymethylcellulose warp yarn sizing agent containing 4-nitroindole. The carboxymethylcellulose warp yarn sizing agent is prepared from, by mass, 10-15 parts of carboxymethylcellulose, 0.1-0.2 part of 4-nitroindole and 100 parts of water. A preparation method of the carboxymethylcellulose warp yarn sizing agent comprises the steps that carboxymethylcellulose and water are mixed to be uniform, 4-nitroindole crystals are added, the materials are stirred and then subjected to standing for 30 h to 35 h at low temperature, and after standing is finished, quick stirring is conducted to obtain the carboxymethylcellulose warp yarn sizing agent containing 4-nitroindole. The warp yarn sizing agent is applied to sizing treatment of staple fiber yarn or polyester or cotton. According to the carboxymethylcellulose warp yarn sizing agent containing 4-nitroindole, the excellent performance and the good compatibility of carboxymethylcellulose serving as the warp yarn sizing agent are retained, and meanwhile the defects that the viscosity of carboxymethylcellulose is prone to change and difficult to control are overcome, so that carboxymethylcellulose becomes a more ideal sizing material and has the good permeability, adhesive force and cohesive force; in addition, desizing is easy, the cost is low, processing is convenient, and the economic benefit is high.

The invention discloses a bottom valve assembly of a shock absorber. The bottom valve assembly comprises a valve seat, a circulation valve plate arranged at the left side of the valve seat, and an adjustable valve plate arranged at the right side of the valve seat. The left side and the right side of the valve seat are each provided with two layers of valve lines, namely the outer valve line and the inner valve line, wherein the height of the outer valve lines at the left side and the right side is larger than that of the corresponding inner valve lines. The outer valve lines and the inner valve lines of the valve seat have a certain height difference, the width of the end face of each valve line is reduced, and therefore the quality and the product percent of pass of the bottom valve assembly are improved, and the usability of the shock absorber is improved.