47results about How to "Lower fire" patented technology

This invention declares a low-oil-consumption ignition and combustion system of storage style coal fired boiler. The outlet of the primary coal mill is connected to the finely-pulverized coal separator, which is connected to the outer primary air pipe of the combustor through the primary air main pipe; the finely-pulverized coal separator is in parallel with the ultra fine powder separator that is connected to the inner primary air pipe of the combustor through the primary air accessory pipe. An oil gun is positioned inside the outlet section of the inner primary air pipe. The primary air main pipe and the primary air accessory pipe are connected by the pipeline on which the pipeline valve is positioned. The accessory air pipe valve is installed on the primary air accessory pipe before the pipeline valve. This invention has a simple structure, realizes the separate combustion of thick and fine coal powder, which increases the stability of ignition and low load operation and saves fuel oil and power generating cost.

The invention discloses a porous polyolefine isolating film. The thickness of the isolating film is 35-80 mu m, the porosity is 30-70 percent, the air permeability is 100-1,000 second/100ml and the average pore opening diameter is 0.001-1mu m. By using a lithium ion power battery of the porous polyolefine isolating film, the highest temperatures of a drift bolt and a thermal simulation are all not less than 100 DEG C, and the invention has favorable safety performance, circulating performance and charge-discharge performances.

The invention relates to a flame-retardant cold-resistant rubber which is prepared from the following raw materials in parts by weight: 10-100 parts of epichlorohydrin rubber, 10-50 parts of silicon rubber, 10-50 parts of polyurethane rubber, 10-60 parts of ethylene-propylene rubber, 5-30 parts of fluororubber, 2-10 parts of argil, 2-10 parts of sulfur, 1-5 parts of N,N'-diphenyl-p-phenylenediamine, 1-10 parts of silica white, 1-5 parts of aromatic oil, 1-4 parts of nano zinc oxide, 1-6 parts of zinc diethyl dithiocarbamate, 1-7 parts of 2-thioimidazoline, 1-10 parts of dioctyl phthalate and 4-12 parts of stearic acid. The rubber can effectively postpone fire and lower the flame propagation rate, has favorable cold resistance, and is suitable for continuous use under low-temperature conditions.

The invention provides a water-based epoxy acrylic resin anticorrosive paint and a preparation method thereof. The water-based epoxy acrylic resin anticorrosive paint is prepared from the following components in percentage by weight: 27%-37% of epoxy acrylic resin, 2%-3% of carbon black, 17%-27% of precipitated barium sulphate, 5%-13% of an anti-rust pigment, 0.6%-1.4% of a functional additive, 1%-2.2% of dimethylethanolamine, 5%-6% of a cosolvent, 0.2%-0.6% of a thickener and 22%-30% of deionized water. The water-based epoxy acrylic resin anticorrosive paint is simple in production technology, available in raw materials, excellent in metal surface adhesion and stable in storage property, and has the characteristics of being non-toxic, low in organic compound emission, and free of ignition; and on-site construction work is convenient (single-component low-temperature self-crosslinking solidification).

The invention provides a prodrug platform technology for improving the therapeutic value of a variety of parent drug compounds by altering and improving drug characteristics such as aqueous solubility, hydrolytic stability, therapeutic index, toxicity profile, pharmacolcinetics and selectivity while allowing the potential for synthetic elaboration. The prodrug platform is particularly well suited for targeting therapeutic drugs, including anti-tumor drugs and antibiotics, to specific receptors on target cells (e.g., cancer cells and bacteria). The platform is a technology for providing an improved, preactivated form of a therapeutic drug, and for optionally targeting such drug to target cells or biological molecules. The invention is broadly applicable to many different therapeutic drugs, as well as to a variety of diseases and conditions, including a variety of forms of cancer and bacterial infections.

The invention provides a W flame boiler with double-cyclone-barrel thick and thin pulverized coal separation type combustors, and relates to a power station boiler which adopts the flexible peak regulation technology. The W flame boiler with the double-cyclone-barrel thick and thin pulverized coal separation type combustors is used for solving the problems that a W flame boiler is poor in ultralowload stable combustion and operation capacity, and the flexible peak regulation load cannot be 20%. The W flame boiler comprises an upper combustion chamber, a lower combustion chamber, a front boiler arch, a rear boiler arch, a front wall, a rear wall, the multiple double-cyclone-barrel thick and thin pulverized coal separation type combustors and multi-layer arch bottom secondary air nozzles. Each double-cyclone-barrel thick and thin pulverized coal separation type combustor comprises two thick pulverized coal airflow nozzles and two exhaust air nozzles. The upper combustion chamber, the front boiler arch, the front wall, the lower combustion chamber, the rear wall and the rear boiler arch are combined to form a boiler body. The multi-layer arch bottom secondary air nozzles are arrangedon the front wall and the rear wall in sequence from top to bottom. The double-cyclone-barrel thick and thin pulverized coal separation type combustors are installed on the front boiler arch and therear boiler arch in a linear mode, and the corresponding thick pulverized coal airflow nozzles and the corresponding exhaust air nozzles of each double-cyclone-barrel thick and thin pulverized coal separation type combustor communicate with the boiler body. The invention belongs to the field of boilers.

The glass kiln with emulsified coke slurry burner includes one kiln body and one emulsified coke slurry burner. The kiln body includes one hearth, one flame inlet and one fume outlet. The emulsified coke slurry burner includes one casing forming one inside cylindrical burning space, at least one emulsified coke slurry burning unit, at least one oil/gas burner, one outlet communicated via hot blast pipe to the flame inlet of the hearth. The glass kiln includes also two or more switchable heat accumulating chambers connected via pipeline with the fume outlet of the kiln body. The present invention has double heat accumulation with lattice brick and ceramic ball reaching a heat accumulating temperature as high as 1200 deg.c to make up the low heat value emulsified coke slurry.

The invention provides a method for preventing a coal pulverizing system from exploding. By controlling an outlet temperature of the coal pulverizing system to between 60 and 70 DEG, preferably 65 DEGC, the method retards the coal dust inflammation, effectively avoids peak temperature, improves the safety of the coal pulverizing system, obtains beneficial technical effects, and is more suitable for Shenhua coal. While controlling the outlet air temperature of a coal mill, the method controls the temperature of primary air powder mixture to between 60 and 65 DEG C, and the temperature of secondary air to between 290 and 320 DEG C preferably.

The invention discloses fabrication and package methods of a high-efficiency heat-conduction semiconductor chip. The high-efficiency heat-conduction semiconductor chip comprises a package shell, a semiconductor chip, a first reference electrode, a second reference electrode, a first soldering lug, a second soldering lug, a third soldering lug, a first graphite plate and a second graphite plate, wherein the semiconductor chip is laminated on a bearing surface of the first reference electrode, the back surface of the semiconductor chip is electrically connected with the bearing surface of the first reference electrode, the second reference electrode is electrically connected with a front surface of the semiconductor chip, the semiconductor chip, the first reference electrode, the second reference electrode, the first soldering lug, the second soldering lug and the third soldering lug are sealed in the package shell, and the semiconductor chip and the reference electrodes are respectively connected with the soldering lugs. With the high conductivity of the reference electrodes, high conductivity of a product is ensured; and meanwhile, with the high heat conductivity of the reference electrodes, heat energy can be rapidly transferred to a support plate, the possibility of fire and burst is reduced, and fire and burst are prevented due to the characteristic of the package shell.

The invention discloses a method for continuously preparing a pre-oxidized felt, which comprises the steps of A, carrying out low-temperature treatment, to be specific, conveying raw materials into alow-temperature hearth, circulating hot air, introducing both steam and an atomizing assistant, and starting a low-temperature cyclization reaction; B, carrying out medium-temperature treatment, to bespecific, conveying raw materials into a medium-temperature hearth, circulating hot air, introducing both steam and an atomizing assistant, and starting a primary cyclization reaction; and C, carrying out high-temperature treatment, to be specific, conveying raw materials into a high-temperature hearth, circulating hot air, and allowing the raw materials to rapidly pass through to arrive at pre-oxidation of the raw materials. The advantages of the method include increase in production efficiency by 2-3 times, and hot air circulation accompanied with steam to increase heat penetration, and thereaction rate is increased by the atomizing assistants, and the risk of ignition caused by reactive heat release in the fiber felt is avoided; and meanwhile, the strength of the obtained polyacrylonitrile pre-oxidized felt fiber is increased by 20-30%, the strength of the fibers in the pre-oxidized felt is balanced with the strength of the fibers on the surface, and the pre-oxidation degree is moderate.

The invention discloses flame-retardant rubber. The flame-retardant rubber is prepared from, by weight, 3-5 parts of calcium carbonate, 6-7 parts of zinc oxide, 12-14 parts of chlorinated paraffin, 2-4 parts of stearic acid, 1-5 parts of argil, 2-3 parts of magnesium chloride, 2-4 parts of fire retardant, 50-60 parts of butadiene styrene rubber and 10-13 parts of natural rubber. The prepared flame-retardant rubber is good in flame retardant effect, can effectively delay ignition and reduce the flame spreading speed and has good application prospects.

The invention discloses a special water-based ink for polyethylene-polyvinyl acetate thin films and a preparation method of the ink. The ink comprises, by weight, a first water-based ink connecting material, a coloring agent, a water-based ink dispersing agent liquid, an alcohol solvent, 10-15% of deionized water, high-acid-value acrylic acid, 4-5% of a second water-based ink connecting material,1.5-2% of an adherence promoter, 0.3-0.4% of a slipping agent liquid and 1-2% of a weather-resistant agent liquid, wherein the first water-based ink connecting material is high-molecular-weight resin,and the hydrophilic value of the high-molecular-weight resin is 10-12; The second water-based ink connecting material is low-molecular-weight resin, and the hydrophilic value of the low-molecular-weight resin is 11-13. The ink prepared through the method has the advantages of being good in liquidity, excellent in shallow screen printing transfer effect, high in printing adaptability and the like.

The present invention discloses a steam-injecting boiler adopting emulsified coke slurry combustion equipment. It includes boiler self-body and emulsified coke slurry combustion equipment. Said boiler self-body includes furnace cavity, at least one steam pipe set in the furnace cavity interior and smoke outlet cut on one end wall far-separated from the emulsified coke slurry combustion equipment. Said emulsified coke slurry combustion equipment includes a shell body formed from front end wall, rear end wall and side wall, a cylindrical combustion space is formed in the shell body, on the front end wall at least one emulsified coke slurry combustor, at least one oil combustor and/or at least one gas combustor are set, its rear end wall is equipped with an outlet, said outlet is communicated with furnace cavity.