30results about How to "Broad market application space" patented technology

The invention discloses a weatherproof and antibacterial polycarbonate engineering plastic and a preparation method thereof. The engineering plastic is prepared from the following raw materials in part by weight: polycarbonate, weatherproof resin ASA, an antibacterialagent, a flexibilizer, a compatilizer, a dispersing agent, an antioxygen and other aids. The preparation method comprises the following steps: a, respectively performing force air drying on the polycarbonate and the weatherproof resin ASA; b, weighing the antibacterialagent and the dispersing agent, and mixing the two uniformly; c, weighing the flexibilizer, the compatilizer, the antioxygen and other aids, and putting into a super mixer for dry mixing, together with raw materials in step a and step b; and d, putting the mixedmaterials in the step c into a twin-screw extruder, and performing melt extrusion for granulation. The weatherproof and antibacterial polycarbonate engineering plastic has the advantages of ageing resistance, yellowing resistance, good weatherability, and durable antibacterial function.

The invention belongs to the technical field of feed processing and recovery, and relates to a technical equipment suitable for secondary recycling of feed processing pulverized material, which separates the pulverized material from granular feed through a vibrating filter screen, and transports and recycles the pulverized material to the feed Raw material bin, reprocessed into pellet feed. The technical equipment suitable for the secondary recycling of powdered materials in feed processing according to the present invention not only improves the yield of pellet feed products, but also reduces many problems caused by the large amount of powdered materials in pellet feed, such as: Automatic grading of ingredients, picky eaters, low return rate of pellet feed, large storage bin capacity, high freight, poor fluidity, environmental pollution, excessive Salmonella in feed, etc., have a wide range of market applications.

The invention discloses base oil of transformer oil and a preparation method as well as application thereof. The preparation method for the base oil of the transformer oil comprises the following steps: 1) performing furfural refining on QHD32-6 common cut 2 distillate oil to obtain refined oil, and obtaining furfural removed refined oil after removing furfural; and 2) adding clay to the furfuralremoved refined oil for clay refining to obtain the base oil of the transformer oil. The preparation method widens raw material source of the base oil of the domestic transformer oil, and can providebrand-new base oil of high-grade No. 45 transformer oil for the market. In addition, the method has the advantages of simple technological process flow, mild operating conditions, and high yield of target objects; and the base oil of the transformer oil has wide market application space.

The invention relates to the field of the conductor connection, in particular to a connector used for conductor connection, a connection device and a cold link technology for conductor connection. The connector used for the conductor connection, the connection device and the cold link technology for conductor connection are widely applied to the processes, such as electric power, electric power construction and installation, and electric wire and cable manufacture, are used for the isometric connection or reducing connection for cable conductors and bare copper and aluminum stranded wires, and are also used for solving the problems of untight contact between the conductor and a connecting pipe, low tensile strength, big contact resistance, unsmooth surface, uneven electric field distribution and the like. The connection device is provided with a taper-shaped connector, a cold link die, a conductor I and a conductor II, wherein the center of the cold link die is in a pore structure cooperated with the taper-shaped connector; the taper-shaped connector is arranged in the pore structure; and the conductor I and the conductor II respectively extend into the connection pore of the taper-shaped connector for butt joint from two ends of the pore structure of the cold link die. After the cold link technology disclosed by the invention is adopted, the technology is advanced, the performance is excellent, and the product quality is stable. After the conductors are connected by the cold link technology, the connector and the conductors tightly contact to almost form a whole without any gap.

The invention provides a combustion measurement device. A gas concentration detection device is additionally arranged between a sintering machine trolley and an auxiliary combustion device. The gas concentration detection device comprises a driving device, a traction part and a concentration detector. The invention also provides a combustion measurement method using the device. According to the device and the method, the thickness of the combustion zone can be accurately controlled and the quality improvement effect can be optimized so that the corresponding defects existing in the prior art can be effectively solved, the production safety factor and the quality improvement effect can be enhanced and the objectives of stable, smooth and high-yield production of the whole production line can be achieved.

The invention discloses base oil of transformer oil and a preparation method as well as application thereof. The preparation method for the base oil of the transformer oil comprises the following steps: 1) performing furfural refining on SZ36-1 common cut 2 distillate oil to obtain refined oil, and obtaining furfural removed refined oil after removing the furfural; 2) performing denitrification on the furfural removed refined oil, removing nitride slag of the furfural removed refined oil, and obtaining denitrogenized refined oil; and 3) adding clay to the denitrogenized refined oil for clay refining to obtain the base oil of the transformer oil. The preparation method widens raw material source of the base oil of the domestic transformer oil, can provide brand-new base oil of high-grade No. 45 transformer oil for the market. In addition, the method has the advantages of simple technological process flow, mild operating conditions, and high yield of target objects; and the base oil of the transformer oil has wide market application space.

The invention discloses a sports field poly(ethylene carbonate) polyurethane paving material, which consists of a component A, a component B, black rubber particles and a catalyst. The component A comprises the following components in percentage by weight: 20 to 50 percent of diisocyanate, and 50 to 80 percent of poly(ethylene ether carbonate)diol. The component B comprises the following components in percentage by weight: 30 to 50 percent of poly(ethylene ether carbonate), 5 to 25 percent of processing aid, 30 to 70 percent of filler, 0.1 to 2 percent of pigment, 0.01 to 0.1 percent of ultraviolet absorber and 0.01 to 0.1 percent of inhibitor. The weight ratio of the component A to the component B is 1:(1-6), the content of black rubber particles is 10 to 40 percent based on the total weight of the components A and B, and the content of the catalyst is 0.05 to 1 percent based on the total weight of the components A and B. The invention discloses the preparation method of the paving material. The indexes of the paving material reach the performance indexes of polyether polyurethane paving materials. Compared with the polyether polyurethane paving materials, the paving material hashigher weather resistance, scrape resistance, wear resistance and caking property, and is lower in cost, nontoxic and environmentally-friendly.

An engine exhaust pressure electronic waveform detection and identification method and system belong to the technical field of automobile detection and maintenance equipment manufacturing. The system includes an exhaust pressure sensor, a data processing unit and a display unit, and the exhaust pressure sensor is connected to the data The processing unit is used to transmit the electronic signal output by the exhaust pressure sensor to the data processing unit, and the data processing unit performs arithmetic processing according to the electronic waveform detection and identification method of the engine exhaust pressure; the data processing unit is also connected to the display unit, which is used for computing The results are displayed on the terminal through the display unit, and the displayed information is used to analyze the operating characteristics of the engine, the engine performance or the cause of the failure. The sensor signal can also be wirelessly transmitted, processed in the cloud, APP diagnosis, etc. The present invention quantifies the exhaust pressure wave Detection and waveform analysis can effectively carry out accurate and comprehensive detection and diagnosis of engine performance, and improve the technical level of vehicle maintenance and maintenance operations.

The invention discloses a poly(ethylene carbonate) type polyurethane water-based adhesive which is prepared through the following method: taking 100 parts of poly(ethylene carbonate) diol according to parts by weight, adding 2-10 parts of dimethylol propionic acid, stirring and slowly raising temperature to 100-120 DEG C under nitrogen protection, reducing the temperature to 50-70 DEG C after dissolution, dropping 20-60 parts of diisocyanate, raising the temperature to 70-80 DEG C, reacting for 2-3 hours, stopping heating when glue solution has viscosity and is transparent, naturally cooling to 40-50 DEG C, stopping introducing nitrogen, adding 100-700 parts of 5-30% of catalyst water solution while stirring intensely, neutralizing, emulsifying and preparing the adhesive. As a large number of carbonate bonds are contained in molecules of poly(ethylene carbonate) polyol, the bonding strength of a product is high; simultaneously, the carbonate bonds are less prone to hydrolysis, the storage stability of the product is high. In addition, the poly(ethylene carbonate) polyol is prepared by copolymerizing carbon dioxide and epoxy ethane, the cost is low, and the poly(ethylene carbonate)type polyurethane water-based adhesive has broad market application space.

The ground object contour extraction method based on the ground laser point cloud provided by the present invention introduces surface-based space measurement, which breaks through the traditional single-point measurement method, into urban measurement applications, and improves the efficiency of urban measurement. As the most important spatial entity of a city, the three-dimensional information of ground objects, especially buildings, is an important basic geographic information of the city, which has important application value. The environmental impact is small and the measurement accuracy is high, which not only improves the automation of building space data acquisition, but also the scanned point cloud can express the real three-dimensional information and detailed structure of the building in detail, and use the point cloud data to obtain accurate outline information and reconstruct The 3D model of the building has the advantages of strong interactive performance, high intelligence, high scalability, fast extraction speed, and high contour extraction accuracy.

The invention discloses base oil of transformer oil and a preparation method as well as application thereof. The preparation method of the base oil of the transformer oil comprises the following steps: 1) performing hydropretreatment on SZ36-1 common cut 3 distillate oil for acid removal; 2) performing furfural refining on the SZ36-1 common cut 3 distillate oil to obtain refined oil, and obtaining furfural removed refined oil after removing furfural; 3) performing denitrification on the furfural removed refined oil, removing nitride slag of the furfural removed refined oil, and obtaining denitrogenized refined oil; and 4) adding clay to the denitrogenized refined oil for clay refining to obtain the base oil of the transformer oil. The preparation method widens raw material source of the base oil of national transformer oil, can provide brand-new base oil of No. 25 transformer oil for the market. In addition, the method has the advantages of simple technological process flow, mild operating conditions, and high yield of target objects; and the base oil of the transform oil has wide market application space.