74results about How to "No bonding" patented technology

The invention relates to a preparation method of spherical silver powder for a photovoltaic positive silver electrode. The spherical silver powder prepared through the method is high in dispersity, high in sphericity and high in tap density; the particle size ranges from 1-3 microns, and the spherical silver powder is subjected to narrow particle size distribution. The method comprises the steps of adding a thickening agent and a dispersing agent to a prepared silver-ammonia solution; controlling system temperature and adding a weak reductant to an ultrasonic water bath kettle; and reducing toobtain the high-dispersity and high-density spherical silver powder. The silver powder is used for preparing photovoltaic positive silver electrode sizing, and uniform silver-silicon contact is realized after sintering; and meanwhile, the silver powder is high in photoelectric conversion efficiency and stable electricity performance.

The invention relates to a double-tower cycle fluidized bed flue gas desulfurization method and a device, which comprises a desulfurization reaction tower, a sprayer, a digestor, a revert unit, a gas-solid separator and a ash hopper thereof, and is characterized in that the dirty flue gas discharged by combustion equipment is divided into two parts: wherein one part enters into the king tower, and the other part enter into the tail tower formed by the ash hopper of the gas-solid separator. The advantage is that the flue gas can move is a lower temperature in the desulfurization reaction king tower, the efficiency of desulfurization is high, and volume of the king tower is small; the cycle ash can be heated effectively in the ash hopper, has a good fluidity without the defect of glue, fouling and corrosion, and the reliability of the device is well; and the invention can greatly reduce the electric heating power and energy consumption of desulfurization.

The invention discloses an environment-friendly leather care agent which is prepared from the following raw materials in parts by weight: 20-45 parts of vegetable fat, 20-35 parts of polyether modified hydrophilic silicone oil, 6-15 parts of organic silicone oil, 30-55 parts of polyethylene glycol, 10-20 parts of sodium tetra(propylene benzene) sulfonate, 1-5 parts of twain 80, 0-3 parts of plant aromatic essential oil, and 0-2 parts of a brightener. The environment-friendly leather care agent disclosed by the invention can penetrate into leather for filling or lubricating gaps among fibers, so that the fibers regain the elasticity and are not bonded, therefore, the internal fiber structure of the leather is re-adjusted, and the softness of the leather is restored; in the process of preparing, by ultrasonic treatment, aliphatic long-chain molecules and fat in the vegetable fat are broken into small molecules, so that after being sprayed to the surface of leather, the leather care agent penetrates into the leather more easily; and leather treated by using the care agent disclosed by the invention has good air permeability, softness, rebound resilience and smooth feel.

The invention discloses a cobalt base alloy for fixing human skeletons. The cobalt base alloy is characterized by comprising the following chemical components in percentage by weight: 22.5-24.5% of Cr, 7-8% of Ni, 11-12% of W, 3-4% of Mo, 0.5-1.5% of Ta, 0.1-0.8% of Si, 0.1-0.5% of Mn, 0.1-0.5% of Nb, 1.0-2.0% of Cu, 0.1-0.2% of N, 0.01-0.08% of Sc+La+Ce, and the balance of Co and inevitable impurity elements. The yield strength of the cobalt base alloy is not less than 710 MPa, the tensile strength is not less than 820 MPa, the elongation is not less than 20%, and the sterilization rate is not less than 93.8%; and all the indexes are obviously higher than that of other products short of alloy elements, products not performing atomized pulverization and similar products not performing surface coating treatment.

The invention provides a preparation method of CO2 response polymer hollow microspheres. The preparation method comprises the following steps: firstly, enabling a monomer, namely styrene, methyl methacrylate, tert-butyl methacrylate, butyl acrylate or hydroxyl styrene, to react with an initiator and an emulsifier, so as to obtain a seed microsphere emulsion; secondly, simultaneously dropping a mixture of a compound A and a crosslinking agent, and the initiator into the seed microsphere emulsion, and carrying out a reaction so as to obtain a core-shell microsphere emulsion; mixing the core-shell microsphere emulsion with organic solvents, namely tetrahydrofuran (THF), chloroform, ethyl acetate, methylbenzene and the like, and carrying out selective etching. By adopting the preparation method, intelligent hollow microspheres of hollow structures with CO2 response are prepared, irritation residue-free and environmental-friendly response modes of a hollow microsphere material can be achieved, and in addition, the microspheres are controllable in morphology and CO2 irritation response.

Abstract The present invention provides porous ceramic materials having good resistance to heat, acid and base, comprising three or more oxides selected from an oxide of silicon (SiO ), an oxide of aluminum (Al O ), an oxide of a transition metal, MxOy, [wherein M represents a 4B, 5B or 6B-group transition metal which can be selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W or Ce, x represents an integer of 1 to 3, and y represents an integer of 1 to 3] and its preparation. By applying ceramic materials prepared according to the present invention that are structurally, thermally and chemically stable to a porous honeycomb support for the purification of exhaust gas or to a filter (DPF, Diesel Particulate Filter) for the purification of diesel engine exhaust gas, it is possible to prevent or remarkably reduce any structural destruction caused by corrosive gas, which results from employing a cordierite material as a structural support.

The invention discloses an intelligent side forms mold device. The mold device comprises a mold body, a robot and a control system, wherein the mold body comprises a working mold table and a pluralityof main molds and working molds arranged on the surface of the working mold table; the main molds and the working mold are all made of aluminum alloy profiles and are provided with various standard sizes; a plurality of mounting ears is fixedly arranged on the surface of the main molds;, the inner side of each mounting ear is provided with a conductive probe; the bottom of each main mold is alsoprovided with electric permanent magnet connected to the conductive probe; the side wall near to the electric permanent magnet is provided with a plurality of reserved holes; the robot is provided with a clamp; a working end of the clamp is provided with a female plug matching with the conductive probe; and a path is formed by the combination of the conductive probe and the female plug to controlthe charging and discharging of the electric permanent magnet. Compared with the prior art, the structure of the mold device is simple and light, the design is reasonable, the operation is convenient,the mold body of any size can be spliced according to actual needs, the electric permanent magnet ensures that the working mold table dose not shift during vibration, and the dimensional accuracy ofa PC component is ensured.

The invention discloses a high-temperature liquid steel slag atomization laval spray pipe, an atomization air box and an atomization method, relates to the field of metallurgy industry, and aims at achieving the technical purpose of providing a laval spray pipe suitable for atomizing high-temperature liquid steel slag. According to the adopted technical scheme, according to the high-temperature liquid steel slag atomization laval spray pipe, a pipe cavity of the laval spray pipe is symmetric relative to the center axis, the pipe cavity is sequentially divided into an inlet section, a narrowingsection, a parallel section and an outlet section in the spraying direction, through the optimization design of various sections, airflow can be accelerated to the ideal speed, the high-temperature liquid steel slag is atomized, and a good blowing effect is achieved. The invention further provides the high-temperature liquid steel slag atomization air box, the problem that an existing air box isin poor in atomization effect on high-temperature liquid steel slag is solved, according to the adopted technical scheme, the high-temperature liquid steel slag atomization air box comprises a box body, a hole is formed in one side of the box body, and the laval spray pipe is arranged in the hole of the box body.

The invention discloses an instant freezer and belongs to the technical field of instant freezing equipment. The instant freezer comprises a freezer body, a freezing chamber and an air supply chamber provided with a cold air blowing device are arranged in the freezer body, a conveying belt is arranged in the position corresponding to the cold air blowing device around the air supply chamber, and a power chamber used for installation of a first power device is arranged outside the freezer body. The two ends of the conveying belt extend out of the inlet end and the outlet end of the freezer body, and a normal temperature heating device which is communicated with the power chamber and used for heating the conveying belt is arranged at the inlet end of the freezer body. Heat in the power chamber acts on the conveying belt through the normal temperature heating device, so that the temperature of the body of the conveying belt is raised, the function of the cold air blowing device is utilized in an auxiliary mode, fluidized instant freezing is achieved, the problem of adhering between goods and adhering between the goods and the conveying belt is avoided, the single rate of the goods and normal conveying of the conveying belt are guaranteed, and the production efficiency and the product quality are improved. Meanwhile, the first power device is externally arranged, the refrigerating capacity is fully utilized, the load of the freezer is reduced, and the purpose of energy conservation is achieved.

The invention discloses a cobalt-base alloy for an artificial tooth. The cobalt-base alloy is characterized by comprising the following chemical components in percentage by weight: 22.5-24.5% of Cr, 3-4% of Ni, 9-10% of W, 3-4% of Mo, 0.5-1.5% of Ta, 0.1-0.8% of Si, 0.1-0.5% of Mn, 0.1-0.5% of Ti, 1.0-2.0% of Cu, 0.1-0.2% of N, 0.01-0.08% of Sc+Y+La and the balance of Co and inevitable impurity elements. The yield strength of the cobalt-base alloy is greater than or equal to 700MPa, the tension strength of the cobalt-base alloy is greater than or equal to 800MPa, the elongation rate of the cobalt-base alloy is greater than or equal to 18%, the sterilization rate of the cobalt-base alloy is greater than or equal to 92%, and the indexes are remarkably higher than those of other products without alloy elements, remarkably higher than products without flow energy grinded powder, and remarkably higher than similar products without surface coating treatment.

The invention provides a direct-current aluminum-silicon alloy submerged arc furnace. The direct-current aluminum-silicon alloy submerged arc furnace comprises a furnace body foundation and a furnaceshell, a furnace outlet is formed in the bottom of the furnace shell, a furnace lining is arranged in the furnace shell, and a cooling water system is arranged outside the furnace shell; a furnace cover is arranged at the top of the furnace shell; a material falling pipe, a clean furnace gas flue and electrodes are arranged on the furnace cover; the material falling pipe is connected with a furnace top bin; an electrode lifting mechanism is connected with the electrodes through an electrode holder; an electrode guide mechanism is further arranged, and the electrodes are connected with an electrode bottom structure; the direct-current aluminum-silicon alloy submerged arc furnace further comprises an electric furnace transformer, the electric furnace transformer is connected with a rectifier, a short net and an electric control system, and the electric furnace transformer supplies direct current to the electrode bottom structure; the hydraulic system is connected with the electrode holder; and the electric control system is further connected with a temperature measuring system, a liquid aluminum-silicon alloy material level sensor in the furnace body, the electrode holder and an electrode lifting system. According to the direct-current aluminum-silicon alloy submerged arc furnace, the temperature in the furnace body is high, a hearth is integrally built without gaps, the depth and the diameter of the hearth are in geometric relation with the electrodes, the power density in unit volume is high, feeding and discharging are continuous, and the temperature can be adjusted.

The invention discloses a cushion pad for multi-combination bottled product electronic commerce packing. The cushion pad comprises an upper folded plate, a lower folded plate and notches, wherein the upper folded plate and the lower folded plate are provided with the notches which are suitable for shapes and sizes of bottle caps and bottle bodies of products; the upper folded plate is folded along an outer folding line, forming an upper cavity which is used for protecting the bottle caps of the products and plays leakage prevention and fixation effects; the lower folded plate is folded along an inner folding line, forming a lower cavity which is used for fixing the bottle bodies and bottle bottoms, and the lower cavity is combined with the upper cavity to act and play a role of fixing the products. The cushion pad can be formed integrally and is convenient to process; there is no need for pasting or preassembly, operation is easy and convenient, rapid molding can be realized, and the cushion pad is applied to fast assembly scenes of electronic commerce packing; the cushion pad is formed by folding corrugated boards and can be recycled; the cushion pad is appropriate for bottled products of various combination types and wide in applicability.

The invention discloses a method for producing spherical zinc powder by using hot-dip galvanizing slag, which belongs to the technical field of nonferrous metal recovery. The method is as follows: (1) batching; (2) blowing smelting evaporation: put the material in a sealed heat-resistant reaction device, inject inert gas or nitrogen into the blowing pipe, and heat at a constant temperature to evaporate all the Zn in the material; (3) quickly Uniform cooling: High-purity zinc vapor enters the condensing device with inert gas or nitrogen, and after sieving, spherical zinc powder with a particle size of 1-4 μm is obtained. In the method of the invention, the raw material hot-dip galvanizing slag belongs to the secondary utilization product, which reduces the raw material cost by 30% compared with the traditional process; it does not need to remove impurities in advance, and the process is simple, the process is short, the investment is small, and there is no pollution; the whole process flow is completely Airtight, the quality of the ultrafine zinc powder produced is stable, no oxidation, no bonding, the main technical indicators are: the mass content of total zinc is ≥ 99%, and it can be used as zinc-rich paint or as a raw material for replacing reducing agents.

The invention relates to a process and a device for purifying flue gas containing lead and cadmium by adopting a sintered plate circulation adsorption method, belonging to the technical field of environmental protection of the non-ferrous metal metallurgy industry. The process for purifying the flue gas containing lead and cadmium by adopting the sintered plate circulation adsorption method comprises the following steps of carrying out circulation fluidized adsorption by adopting powder, carrying out dust removal by filtration by virtue of a sintered plate, and combining with measures of mixing wind, dividing walls, humidifying and cooling, thus effectively removing and recycling harmful substances of lead, cadmium and the like in the smoke. By adopting the process for purifying the flue gas containing lead and cadmium by adopting the sintered plate circulation adsorption method, the effect that discharge of the harmful substances of lead, cadmium and the like is far below the national standard can be strictly guaranteed; meanwhile, the historic technical problems that a filter material is blocked, the efficiency is low and waste water treatment by a wet process technology is difficult in the traditional filtering type dust removal technology are solved, and no secondary pollution is produced in a treatment process, so that the process is suitable for development trends of environmental protection and circular economy and provides a new way for treating non-ferrous metal lead and cadmium smoke.

The invention relates to a processing technique of a pipeline compound optical cable used for transmitting information in an optical communication network, which belongs to the technical field of optical cable processing. The invention is characterized in that: the optical cable is synchronously combined into the pipeline when the pipeline is produced to form the pipeline compound optical cable. Loose state is kept between the optical cable in the pipeline and the pipeline without bonding phenomenon, thus ensuring the repeated extraction and use of the pipeline and the optical cable; the product length can be cut at will according to needs of users and different situation of transport means; above 4 kilometers for each pallet can be achieved, and the processing efficiency is high, the equipment structure is simple, the working processes are less, and the appearance is beautiful. The processing technique of the pipeline compound optical cable overcomes the shortcomings of large investment for equipment, numerous constructors, big organization difficulty, low working efficiency and comparatively short unit product length, etc. in the existing pipeline optical compound production which mainly adopts an air blow method and completes the pipeline production and the optical cable compound by two times; therefore, the processing technology is suitable for the processing of various pipeline compound optical cables.