10results about How to "Guaranteed high temperature performance" patented technology

The invention discloses a self-lubricating PEEK-based composite material and a preparation method thereof, and belongs to the technical field of PEEK composite materials. The self-lubricating PEEK-based composite material is prepared from the following raw materials in parts by mass: 100 parts of polyether-ether-ketone resin, 10 to 15 parts of polyarylene sulfide ketone, 5 to 10 parts of polyarylene sulfide amide, 15 to 25 parts of epoxy group modified MoS2atCO-SiO2 nano material, 4 to 12 parts of modified carbon fiber and 1 to 2 parts of antioxidant. Wherein the modified carbon fiber is obtained by carrying out acylation reaction on carboxylated carbon fiber and then carrying out grafting reaction on the carboxylated carbon fiber and 2-aminodiphenyl sulfide. According to the invention, polyether-ether-ketone, polyarylene sulfide ketone and polyarylene sulfide amide are blended to form a polymer matrix of the PEEK-based composite material, and the epoxy group modified MoS2atCO-SiO2 nano material and the modified carbon fiber are used as lubricating components, so that the composite material has an excellent self-lubricating effect under the combined action.

The application provides a high-nitrogen nickel-saving austenitic stainless steel component preparation method. The method is based on the nitrogen-containing austenite-ferrite type stainless steel S21953, S22253, S22053, S23043, S22553, S25554 and S27603 powder recorded in GB / T 20878-2007, and high-nitrogen nickel-saving austenitic stainless steel components are prepared through in-situ MnN laser additive manufacturing, so as to solve the problems of complex traditional preparation process, high cost, long cycle and the like of the existing high-nitrogen nickel-saving austenitic stainless steel components, the problem that laser additive manufacturing powder raw materials are difficult to obtain, and the problem that special high-nitrogen nickel-saving austenitic stainless steel component development is not mature, and belongs to the field of additive manufacturing.

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

The invention discloses an aerogel modified inorganic zinc-rich coating as well as a preparation method and application thereof, the aerogel modified inorganic zinc-rich coating comprises a component A and a component B, and the mass ratio of the component A to the component B is 1: (1-4); wherein the component A is an aerogel modified liquid silicate solution and consists of the following components in parts by mass: 20-40 parts of a silicate solution, 1-5 parts of aerogel and 1-10 parts of water; and the component B is a powder material and comprises the following components in parts by mass: 5-10 parts of body filler, 40-60 parts of zinc powder and 3-8 parts of antirust filler. The aerogel modified inorganic zinc-rich coating is obtained after the aerogel modified inorganic zinc-rich coating is coated on the surface of a treated steel part, dried and cured for 24 hours at normal temperature. The aerogel modified inorganic zinc-rich coating solves the problems that a traditional zinc-rich coating is high in zinc content, prone to precipitation, short in pot life, capable of discharging VOCs and the like, and the prepared aerogel modified inorganic zinc-rich coating is safe, free of pollution and long-acting in corrosion resistance and has high application prospects and market value.

This utility model relates to the field of tape cutting technology and discloses a tape cutting guide device for a plastic box tape wrapping and sealing machine. It includes a base, an auxiliary bonding mechanism fixedly connected to the upper right side of the base, an auxiliary bonding mechanism fixedly connected to the upper front side of the auxiliary bonding mechanism, and a cutting component arranged on the upper rear side of the auxiliary bonding mechanism for cutting the tape. A mounting column is fixedly connected to the upper left side of the base, a sliding column is slidably connected inside the mounting column, a rack plate is fixedly connected to the right side of the sliding column, and a support plate is fixedly connected to the right rear side of the mounting column. In this utility model, through the cooperation of structures such as a second motor, a rotating disk, a first motor, gears, a rack plate, a sliding column, a support plate, a mounting ring, a rotating disk, a cylinder, and a cutting blade, the cutting guide device can cut the tape after it is fully wrapped around the plastic box, improving the wrapping quality and efficiency of the plastic box tape.

The utility model discloses a rotary kiln combined sealing device and a rotary kiln, and belongs to the technical field of calcining equipment. The combined sealing device comprises a sealing shell arranged outside the rotary kiln cylinder in a sleeving mode, one end of the sealing shell is fixed to the fixing cover, and a sealing cavity is formed between the rotary kiln cylinder and the sealing shell. At least one airtight assembly and at least one oil-tight assembly are sequentially arranged in the sealing cavity in the direction from the fixing cover to the rotary kiln cylinder, the airtight assemblies and the oil-tight assemblies both tightly abut against the interior of the sealing cavity, a fixing ring is arranged between the adjacent airtight assembly and oil-tight assembly for separation, and the fixing rings are fixed to the inner wall of the sealing shell. Wherein all the airtight assemblies are compressed through compression bolts and fixing rings in the axial direction, the compression bolts are fixedly connected to the fixing cover, all the oil-tight assemblies penetrate through the screw rod, one end of the screw rod is fixedly connected to the fixing rings, and nuts are arranged at the other end of the screw rod to compress all the oil-tight assemblies. The sealing structure has a better sealing effect and can adapt to occasions with higher temperature.

The utility model belongs to the technical field of bottle pincers, and particularly relates to a labor-saving bottle pincer device based on the lever principle, which comprises two pincer heads, a lengthening labor-saving handle mechanism is arranged at the bottoms of the two pincer heads, and the lengthening labor-saving handle mechanism comprises two connecting plates, two rotating arms, two connecting rods and two hollow handles. The two rotating arms are arranged on the corresponding connecting plates respectively, the two connecting plates are fixedly connected to the bottoms of the corresponding tong heads, and arc-shaped plates are arranged on the inner sides of the two tong heads. The glass bottle clamp is reasonable in structural design, the power arm is increased and the resistance arm is shortened by increasing the length of the rotating arm and shortening the connecting distance between the rotating arm and the clamp head, according to the lever principle, a person can firmly clamp a glass bottle with small force, the glass bottle clamp is more labor-saving, high-temperature-resistant pads can be efficiently disassembled and assembled in a deformed mode, and the work efficiency is improved. The high-temperature-resistant pad which is greatly abraded can be conveniently replaced, and the high-temperature-resistant effect is guaranteed.

The invention relates to a non-aqueous electrolyte and a lithium ion battery. In order to develop the sulfur-free electrolyte and the lithium ion battery with good high-temperature and cycle performance, the cycle performance, the high-temperature performance and the rate performance of the lithium ion battery are improved by compounding the additive A and the boron-containing lithium salt additive; furthermore, other components in the non-aqueous electrolyte are combined, so that the lithium ion battery still has more excellent high-temperature performance and cycle performance and more excellent safety performance and electrochemical performance when the voltage is increased to 4.5 V or even higher while the high-temperature performance and cycle performance of the lithium ion battery under conventional voltage are ensured. Wherein the structural formula of the additive A is as follows: R1 is selected from alkylene, fluoroalkylene, alkenylene or fluoroalkenylene, and R2 is selected from fluoroalkyl or fluoroalkenyl; and the additive B is boron-containing lithium salt.

The application discloses a basalt fiber rope and a preparation method thereof, and comprises the following steps: selecting basalt fibers and flexible flame-retardant fibers to make the rope, ensuring that each bundle of fiber filaments is clean and tidy, without broken filaments or defects; wrapping 1-2 basalt fibers with a fineness of 500 dtex-2000 dtex with 3 flexible flame-retardant fibers with a fineness of 100 dtex-600 dtex on a doubling machine to form a core yarn; doubling the core yarn to make a twisted yarn one; combining a plurality of core yarns together, and then wrapping the core yarns with a core stranding machine to form a rope strand one with a sheath; weaving the completed rope strand one into a fiber cable one on a weaving machine; and testing the breaking tension of the fiber cable one by using a horizontal tension machine. The method can reduce the damage of the cable to the human body during weaving and is beneficial to actual operation, and can maximize the high-temperature resistance, fire resistance and mechanical properties of the basalt fibers, and meanwhile, the damage to the human body is reduced.

The invention provides a reaction kettle and a non-ferrous smelting pressurization system, and relates to the technical field of stirring reaction equipment in the non-ferrous smelting industry, the reaction kettle comprises a kettle body, the kettle body comprises a shell and a lining structure, and the shell is a metal shell; the lining structure comprises at least one lining brick layer and a non-metal isolation layer, and the lining brick layers and the non-metal isolation layer are sequentially arranged in an inner cavity of the shell from inside to outside in a sleeving mode; each lining brick layer comprises a plurality of acid-proof bricks, all the acid-proof bricks are arranged on the same plane and connected, a brick joint is formed at the joint of any two adjacent acid-proof bricks, and a containing cavity used for containing materials is defined by the side, away from the non-metal isolation layer, of the innermost lining brick layer. The non-metal isolation layer is used for isolating materials leaking from the brick joints to the inner wall face of the shell. According to the invention, rigidity and strength can be guaranteed, and good corrosion resistance, wear resistance, impact resistance and high temperature resistance can be achieved at the same time.