16results about How to "Difficult to disperse" patented technology

The invention belongs to the field of tunnel water plugging grouting materials, and particularly discloses a heat-insulating shrinkage-reducing type water plugging grouting material suitable for a high-temperature hot water tunnel and a preparation method of the heat-insulating shrinkage-reducing type water plugging grouting material. The water plugging and grouting material for the high-temperature hot water tunnel is mainly formed by mixing a multi-element gel composite material component, a heat insulation material component, a reinforcing, toughening and shrinkage reducing component, a water dispersion resisting component, a special admixture for the high-temperature hot water grouting tunnel and the like. The water plugging grouting material for the high-temperature hot water tunnel is suitable for water leakage in the high-temperature hot water tunnel, and has the advantages of good working performance and long-term durability, high material strength, low water permeability coefficient, environmental protection and the like. The setting time of the admixture can be regulated and controlled within 30-5 minutes through the admixture special for the high-temperature hot water tunnel grouting material, and the admixture has good operability so as to meet the construction requirements of actual engineering. Under the synergistic effect of materials with a certain proportioning ratio, the water plugging grouting material has better mechanical properties and durability than a traditional water plugging grouting material, and also has good shrinkage resistance and heat insulation performance. The grouting material disclosed by the invention is good in groutability, easy to inject into tunnel surrounding rock cracks, high in stability, relatively good in later strength and durability, and particularly suitable for water plugging construction of high-temperature hot water tunnels.

The invention relates to an elution phase, an oil gel bead preparation and a preparation method of the oil gel bead preparation, the surface of the oil gel bead preparation does not wrap a wall material, and the oil gel bead preparation is prepared from 50-80 parts by weight of isononyl isononanoate, 10-20 parts by weight of trimethylsiloxyphenyl polydimethylsiloxane, 0-20 parts by weight of stearyl alcohol and / or 0-15 parts by weight of behenyl alcohol, 1-10 parts by weight of dextrin palmitate and 0-10 parts by weight of rosa palmifolia fruit oil according to 100 parts by weight. The obtained oil gel bead preparation is good in forming effect and more uniform in surface and size distribution, so that the oil gel bead preparation is more attractive, the oil gel bead preparation is melted once being smeared, and the phenomenon of mud rubbing is avoided. Besides, the oil gel bead preparation can be used for embedding fat-soluble active matters, the components are simpler, and the particle size of the oil gel bead preparation can be controlled, so that the oil gel bead preparations with different particle sizes can be obtained and can be applied to different types of cosmetics.

The invention relates to the technical field of sewage multi-stage treatment, and discloses sewage treatment equipment and a sewage treatment system for esterification reaction, the sewage treatment equipment comprises a main body, the main body is internally provided with an adjusting tank, a flocculation tank and a sedimentation tank, the interior of the adjusting tank is fixedly connected with partition plates, and the partition plates divide the adjusting tank into a plurality of chambers. According to the invention, the regulating tank is divided into a plurality of chambers connected in series, and the charging barrels and stirrers matched with the chambers are arranged, so that decentralized gradual neutralization operation can be realized, compared with a manner of centrally putting medicaments for neutralization, the probability of generating medicament blocks is small, and the screen drum, the inclined paddle, the driving assembly and the transmission assembly are arranged, so that the efficiency of neutralization is improved. The device is simple in structure and convenient to operate, can collect agglomerates which are difficult to disperse, then grinds the agglomerates above the liquid level of the sewage and then disperses the agglomerates in the sewage again, so that the problem that a small amount of agglomerates are difficult to disperse is further solved, the neutralization effect is further improved, the sludge amount in the sewage is reduced, and the sludge treatment pressure of a subsequent sedimentation tank is reduced.

This utility model relates to the field of dust and waste conveying technology, and in particular to a closed conveying device for dust and waste from roadheaders and anchorers. It includes a conveying frame, a conveying component, and multiple idlers. The conveying frame has two first conveying rollers symmetrically and rotatably connected to its inner wall. The conveying component includes a conveyor belt tensioned and sleeved on the two first conveying rollers. The working surface of the conveyor belt has a V-shaped conveying groove along its width. Multiple idlers are arranged at intervals along the conveying direction within the conveying frame and are rotatably connected to the inner wall of the conveying frame. In this utility model, the V-shaped conveying groove on the working surface of the conveyor belt effectively constrains the waste, preventing it from dispersing during conveying, reducing the exposed area of ​​the waste, and lowering the possibility of dust generation. The idlers provide linear support to the conveyor belt, ensuring stable operation and preventing waste from scattering due to belt swaying, thus improving the stability and reliability of the conveying process.

The present application relates to a kind of preparation method and application of metal phthalocyanine-graphite phase carbon nitride / graphene ternary composite material, it solves the problem of poor dispersibility, easy aggregation and poor conductivity of metal phthalocyanine material as electrocatalyst.Existing Preparation method steps include: metal phthalocyanine, graphite phase carbon nitride are added to sulfuric acid, after heating stirring, solution A is prepared by cooling;Solution B is prepared by stirring after adding sodium nitrite to solution A under ice bath;Graphene oxide is ultrasonically dispersed in distilled water to prepare solution C;Solution B is added dropwise to solution C and stirred, then ascorbic acid is added and stirred, the product is centrifuged, washed and dried to prepare metal phthalocyanine-graphite phase carbon nitride / graphene ternary composite material.The ternary composite material prepared by the method is a two-dimensional sheet structure, has high dispersibility, large specific surface area, good conductivity and structural stability;The product of the present application can be used for electrocatalytic reduction of carbon dioxide.

The invention discloses a polydimethylsiloxane nano-film solubilizer and a preparation method thereof, and belongs to the technical field of polydimethylsiloxane nano-film solubilizers. According to the scheme, a preparation raw material dimethyldichlorosilane is added into distilled water along a glass cup through a drainage method; the hydrolysis reaction of dimethyldichlorosilane and distilled water is carried out near the inner wall of the glass cup, and the inner wall of the glass cup is very close to the annular refrigerator, so that heat generated in the hydrolysis reaction process can be quickly absorbed to prevent high temperature in the hydrolysis process from influencing the activity of the polydimethylsiloxane nano-film solubilizer, and the solubilizing effect of the polydimethylsiloxane nano-film solubilizing agent is improved. Under the action of the annular refrigerator, the temperature near the inner wall of the glass cup is relatively low, so that the activity of hydrogen chloride gas molecules can be well inhibited, the hydrogen chloride gas molecules are not easy to disperse, the hydrogen chloride gas molecules can quickly react with distilled water again to form hydrochloric acid, the reaction time is shortened, preparation raw materials are continuously added in combination with a drainage method, the preparation time can be greatly shortened, and the production cost is reduced. The preparation efficiency is improved.

The invention discloses a rail fastener storage operation method which comprises the following steps: S1) overturning a storage device to a set angle through an overturning mechanism to enable a discharge port to be in an inclined upward position; s2) controlling an opening and closing air cylinder to open an opening and closing baffle at the position of a discharge port, loading a rail fastener on a guide column at the position of the discharge port, and then controlling the opening and closing air cylinder to close the opening and closing baffle at the position of the discharge port; (S3) an inner barrel rotating mechanism is controlled to rotate the inner barrel assembly by a set angle, so that the rail fasteners on the adjacent guide columns rotate to the position of a discharge port; (S4) the steps (S2) to (S3) are repeatedly executed until all the guide columns formed by the inner cylinder are loaded with the track fasteners; and (S5) after all the storage devices are loaded, the turnover mechanism is controlled to turn over the whole storage devices to the operation station, and at the moment, the discharging port is vertically downward. The technical problems that an existing material storage device is low in operation efficiency and small in storage capacity and cannot meet the continuous operation requirement can be solved.

The invention discloses a nano-carbon fiber reinforced low-carbon magnesium-carbon refractory material, wherein the raw materials and their mass percentages include: 88% to 95% of fused magnesia sand, 0% to 3% of magnesium-carbon bricks, 0.5% to 4% of polycarboxylic acid magnesium, 0% to 0.5% of magnesium citrate, 0.3% to 3% of mesophase pitch, 0.05% to 0.6% of catalyst, and 0.1% to 2% of binder. The nano-carbon fiber reinforced low-carbon magnesium-carbon refractory material obtained by the invention has low carbon content, uniform nano-carbon fiber distribution, excellent oxidation resistance, thermal shock resistance stability and slag erosion resistance; and the preparation method provided by the invention is simple and efficient, and is suitable for popularization and application.

The present invention relates to the technical field of multi-stage sewage treatment, and discloses a sewage treatment device and a sewage treatment system for esterification reaction, including a main body, wherein a regulating tank, a flocculation tank and a sedimentation tank are arranged inside the main body, and a partition is fixedly connected inside the regulating tank, and the partition divides the regulating tank into a plurality of chambers. The present invention is conducive to realizing a decentralized step-by-step neutralization operation by dividing the regulating tank into a plurality of chambers in series, and providing a barrel and an agitator matching the chambers. Compared with the method of centralized agent neutralization, the probability of the occurrence of agent agglomerates is smaller, and by providing a screen drum, an inclined blade, a drive assembly and a transmission assembly, it is possible to collect agglomerates that are difficult to disperse, and then grind them above the sewage liquid surface and then re-put them into the sewage for dispersion, further solving the problem that a small amount of agglomerates are difficult to disperse, thereby improving the neutralization effect, reducing the amount of sludge in the sewage, and reducing the sludge treatment pressure of the subsequent sedimentation tank.

The invention relates to an organic fertilizer and a preparation method thereof, the organic fertilizer is characterized by comprising decomposed sheep manure, molasses liquid and gamma-aminobutyric acid, and the mass ratio of the decomposed sheep manure to the molasses liquid to the gamma-aminobutyric acid is (80-92): (8-20): (0.1-1). The organic fertilizer prepared by the invention is high in yield and good in hardness.

The application discloses a carbon nanotube and carbon black composite conductive filler and a PVC conductive composite material and a preparation method thereof. The carbon nanotube and carbon black composite conductive filler comprises a composite of carbon nanotubes and carbon black obtained by mixing carbon nanotubes after surface grafting and carbon black after surface grafting through ball milling and grinding, and forms a conductive filler with a "grape cluster" structure. The structure utilizes the long-axis structure of the carbon nanotubes, prolongs the axial length of the carbon black, forms a rich conductive network, changes the point-like conduction of the carbon black into linear conduction, and after coupling, the conductive performance can be greatly improved.

The invention relates to the technical field of building materials, and specifically discloses an anti-cracking composite material for concrete repair and a preparation method thereof. The anti-cracking composite material comprises sodium alginate-based modified fiber, deionized water, hydroxymethyl cellulose, sodium dodecylbenzene sulfonate, a water reducer, calcium chloride and calcium oxide. The anti-cracking composite material can be used as a filling material for concrete, is evenly distributed in the concrete, can disperse the directional stress of the concrete, enhance its shrinkage deformation cracking ability, realize the self-repair of concrete cracks, reduce the internal defects of the concrete, thereby improving the microstructure of the concrete, can effectively ensure that the concrete is not easy to crack when subjected to external pressure, blocks the capillary crack channels inside the concrete, reduces the penetration rate of harmful substances such as water, chloride ions and air, and improves its tensile strength and durability. The components in the composite material act synergistically and have excellent concrete crack repairing ability.

The invention discloses a juvenile eel bait and a preparation method thereof. The juvenile eel bait comprises the following raw materials in parts by weight: 60-70 parts of dried black soldier flies larvae, 10-20 parts of dried shrimp and crab shells, 15-25 parts of raw eggs and 0.1-0.2 parts of Mucor koji powder. The juvenile eel bait has a special smell by using Mucor fermentation, thereby increasing the juvenile eel opening rate. The feed produced by the juvenile eel has a dark red color, which is similar to the color of water earthworms. After being shaped, the filamentous shape is similar to the natural juvenile eel bait water earthworms. The juvenile eel bait is rich in various nutrients such as astaxanthin, can enhance the disease resistance of young eels, has simple components, is rich in nutrition, is more naturally antiseptic, and can better meet the nutritional needs of the juvenile eel. The juvenile eel bait is filamentous after being shaped by a shaped device and then boiled in hot water for a period of time, so that the juvenile eel bait finally formed has strong stability and can be kept in water for 2-3 hours without being dispersed.

The invention discloses a biomass carbon preparation process, and relates to the technical field of biomass carbon preparation. The biomass carbon is obtained by carbonizing crop straw and other biomass at low temperature, then carboxylating and then grafting with iron oxide and graphene oxide coated with nano-Al2O3 on the surface. The biomass carbon of the invention can be applied in the field of coal chemical industry, and can replace coal in the preparation of synthesis gas, which has great advantages in reducing carbon dioxide emissions. The biomass carbon of the invention has excellent adsorption and removal performance for organic pollutants, good acid resistance and high temperature resistance, and high environmental protection. Therefore, the biomass carbon of the invention is widely used in the field of coal chemical industry and wastewater treatment, which provides the possibility for the diversified utilization of biomass and is worthy of promotion.

The invention discloses the application of a titanium dioxide fatty acid complex oil phase in improving the stability of a gel patch, and relates to the technical field of gel patch preparation. The preparation method of the titanium dioxide fatty acid complex oil phase is as follows: adding water to nano-sized titanium dioxide for dispersion and wetting, and then dehydrating through a molecular sieve, and then slowly adding it to an oil phase containing fatty acids in an anhydrous environment, stirring; then heating to 45-75°C, continuing to stir for 2h-6h, and dispersing until uniform, to obtain a complex oil phase; wherein the molar ratio of nano-sized titanium dioxide to fatty acids is 1:1-3:1, and the mass ratio of the total mass of titanium dioxide and fatty acids to the oil phase is 1:4-1:6. The invention creatively modifies titanium dioxide to obtain an amphiphilic titanium dioxide fatty acid complex, and then prepares a gel patch, stably encapsulates poorly soluble drugs in the oil phase, improves the stability of the preparation under light, prevents oil seepage of the gel patch, and improves the stability of the gel patch.

The invention belongs to the technical field of printing ink dispersing equipment, and discloses high-temperature printing ink dispersing equipment and a dispersing method.The high-temperature printing ink dispersing equipment comprises a horizontally-arranged supporting part, a dispersing part and storage parts, the top of the supporting part is horizontally and rotationally connected with a rotating part, a supporting plane for containing N storage parts is formed at the top of the rotating part, N is larger than or equal to 2, and N is larger than or equal to 1. The top of each storage part is open to form a cavity for containing printing ink, each dispersing part comprises a dispersing disc which moves up and down relative to the corresponding storage part and rotates perpendicular to the axis of the horizontal plane, and any one storage part is located below the dispersing disc through rotation of the rotating part. After raw materials are added into the material storage part, the material storage part is driven by the rotating part to rotate relative to the dispersing disc, so that the position of the material storage part is adjusted, when a worker needs to disperse printing ink, long-time replacement of the material storage part is not needed, the downtime of the device is shortened, the dispersing difficulty of the device is reduced, and the dispersing efficiency of the device is improved.