7results about How to "Fully play" patented technology

The invention discloses a self-heating material and a preparation method and application thereof, and relates to the field of self-heating products. The self-heating material comprises the following raw materials in parts by weight: 38-41 parts of iron powder, 9-11 parts of activated carbon, 12-15 parts of silane modified diatomite, 3-4 parts of super absorbent resin, 1.0-1.5 parts of sodium chloride and 30-35 parts of water. The super absorbent resin is prepared from the following raw materials: acrylic acid, acrylamide, a cross-linking agent, diatomite, white carbon black and an initiator. The self-heating material has the heating effects of quick start and long-term endurance, the material is prevented from being thick and heavy, and the wearing comfort of the product is improved.

The invention belongs to the technical field of new material preparation, and particularly discloses a high-entropy halogen-terminated MXene material and a preparation method thereof.The preparation method comprises the following steps that S1, a high-entropy MAX sample, an etching agent and molten salt raw materials are mixed according to the proportion, and then high-temperature annealing treatment is conducted under inert gas protection; s2, heating and washing with a washing solvent until impurities are removed, and then carrying out suction filtration and washing with ultrapure water until the solution is neutral; and S3, carrying out drying treatment to obtain the accordion-shaped multi-layer and single-end-group high-entropy MXene. According to the high-entropy halogen-terminated MXene material and the preparation method thereof, precise regulation and control of surface functional groups of high-entropy MXene are realized, and the application performance of the high-entropy halogen-terminated MXene material in the target fields of energy storage, catalysis and the like is improved by regulating and controlling the reaction temperature and the heat preservation time in the molten salt and directionally regulating and controlling the types of the surface functional groups of the product through the etching agent.

The invention discloses a high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium, a method and application, and belongs to the technical field of molten salt heat storage. The high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium is prepared from K2CO3, Li2CO3, Na2CO3, AlCl3 and Al powder in percentage by mass, the Al powder and the AlCl3 powder are introduced into carbonate molten salt, the application target that the heat storage performance is excellent at the temperature of 600-850 DEG C can be achieved, and the heat transfer and storage efficiency of the carbonate molten salt is improved. And meanwhile, [Al] with considerable activity is generated by virtue of potential regulation capability of dissolved metal ions and gaseous chloride products by virtue of physical adsorption and chemical adsorption acting forces, so that the aim of reducing corrosion is fulfilled. The high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium disclosed by the invention realizes the application goals of excellent heat storage performance and low corrosivity, is high in stability, simple in preparation process and easy for large-scale production, and can be applied to photo-thermal power generation and molten salt energy storage.

The utility model discloses a kind of composite pile foundation structures of resistance horizontal force. The composite pile foundation structure is composed of composite base pile, cement-soil mixing pile and pile cap structure. The composite base pile is composed of prefabricated core pile and cement-soil outer pile wrapped around it. The prefabricated core pile is connected with the pile cap structure, and the composite base pile is arranged in a triangular shape under the pile cap structure. The cement-soil mixing pile is arranged in a triangular shape behind the composite base pile along the horizontal thrust direction to form a composite pile foundation structure of resistance horizontal force. The composite pile foundation structure increases the pile body calculation width by using the composite base pile with cement-soil outer pile. Meanwhile, it strengthens the soil in the range of passive pressure zone punching shear failure surface, improves the horizontal resistance coefficient of the surrounding soil of the pile, enhances the interaction of the pile and soil, improves the horizontal bearing capacity of the pile foundation structure, and reduces the comprehensive cost by 10%-15%. It also has important significance for promoting the industrialization of building foundation.

The utility model discloses an inclined plate separator for slurry treatment, which comprises a separation box, a slurry inlet is arranged on the top of one side of the separation box, a clear water outlet is arranged on the other side of the separation box, a plurality of inclined plate components are obliquely arranged in the separation box, and a U-shaped sedimentation channel is formed between every two adjacent inclined plate components. The front side edge and the rear side edge of the inclined plate assembly are fixedly connected through a sealing plate, a plurality of protrusions are arranged on the surface of the inner side of the U-shaped sedimentation channel and are in a prismatic table shape, the tips of the protrusions face upwards, a buffer plate is arranged at the position, below the mud inlet, in the separation box, a plurality of flow guide grooves are fixedly formed in the upper surface of the buffer plate, and sewage is evenly distributed into the inclined plate assembly. Compared with the prior art, the inclined plate separator has the advantages that the inner side of the U-shaped precipitation channel of the inclined plate assembly is provided with the frustum-shaped bulge with the upward tip end, so that the laminar flow state of water flow can be effectively destroyed, solid particles are easier to collide and condense, the precipitation process is greatly accelerated, and the precipitation efficiency is obviously improved compared with a traditional smooth inclined plate separator.

The invention discloses a preparation method of a fireproof and moistureproof micro-foaming profile for a building energy-saving thermal insulation material, and relates to the technical field of building materials. The method comprises the following steps: collecting surface energy data of a polymer base material, a flame retardant and a moisture-proof functional filler and solubility parameters of a physical foaming agent; establishing a three-phase interfacial tension balance model, and solving an optimal cladding layer polarity parameter and thickness; coating the surfaces of the flame retardant particles with a moisture-proof agent layer and an amphiphilic polymer bridging layer in sequence to prepare a modeling functional unit; after mixing and plasticizing with a polymer base material, injecting a supercritical physical foaming agent to form a composite melt; establishing a non-isothermal mathematical model, and generating a space gradient dynamic temperature control program of the extrusion die and the stock die; and finally carrying out extrusion molding through the procedure. The prepared profile has excellent fireproof and moistureproof performance and heat preservation and insulation effects, is stable in structure, high in durability and high in process controllability, is suitable for large-scale production, and meets the high-performance requirement in the field of building energy conservation.

This invention discloses an integrated chemical dosing and pressurization device, comprising a cabinet and casters. The casters are installed at the bottom of the cabinet to facilitate its movement. The device also includes: multiple partitions fixedly installed within the cabinet, which divide the cabinet into an equipment cavity, a toolbox, and an electrical control cabinet. The toolbox stores tools and accessories, and the electrical control cabinet houses electrical control equipment for controlling the pressurization mechanism. The pressurization mechanism, installed within the equipment cavity of the cabinet, is used for precise chemical dosing, line clearing and unblocking, and tubing pressurization. A winding drum, located within the equipment cavity and adjacent to the pressurization mechanism, has an outlet coil wound onto it. The outlet coil can be connected to the water outlet of the pressurization mechanism for tubing pressurization or chemical dosing. This device can automatically and precisely dosing chemicals under different well conditions and can perform localized line clearing and unblocking, as well as tubing pressurization in pumping wells to diagnose downhole faults.