45results about How to "Not easy to stick to the wall" patented technology

The invention discloses a coal dust thickness-thinness separating and distributing structure of a single-fireball eight-corner direct-flow burner. Eight groups of burners are arranged on a boiler body, two groups of the burners are arranged on each water cooled wall, each group of the burners comprises a plurality of the burners with nozzles facing to the same direction, and a center line of each nozzle of the eight groups of the burners forms an imaginary inscribed circle along the same tangential direction in a boiler chamber. In the coal dust thickness-thinness separating and distributing structure, the eight groups of the burners are distributed on four water cooled wall of a boiler, therefore, the coal dust concentration of a thick coal dust area is increased, the heat load qHr of the wall face of the area of the lower burners is higher, and the burning temperature in the area can achieve the requirement of stable-combustion of firing of anthracite. The distance of jet flow from outlets of the nozzles to a downstream adjacent-angle airflow is short, a lower primary air coal dust airflow speed can be adopted, the intensity of a heat flow of the outlets of the nozzles is high, and passing convection and radiation heat transfer amount are improved to ensure timely firing of the airflow of anthracite coal dust and steady burning of the boiler in low load without oil.

A single-fireball four-corner direct-flow burner for burning anthracite, including four burner groups placed on the four corners of the furnace, the pulverized coal flow injected by it forms an imaginary tangent circle in the center of the furnace; each burner group has vertical There are two sets of burners arranged at intervals; it also includes at least one pulverized coal mill, and four pulverized coal pipes installed at the outlet of each pulverized coal mill are connected to four thick-lean separators; the separated four-way thick pulverized coal The air flow is sent to the four primary air / concentrated coal powder nozzles on the same horizontal plane at the lower part of the four angles of the furnace; the separated four-way light coal powder air flow is sent to the four primary air / Light coal powder nozzle. On the premise of meeting the thermal power of the whole boiler, the present invention increases the coal powder concentration in the dense coal powder area, so that the heat load qHr of the wall surface in the lower burner area is higher, so that the combustion temperature in this area can meet the requirements of anthracite ignition and stable combustion , to ensure the timely ignition of the anthracite pulverized gas flow and the stable combustion of the boiler without oil and low load.

The invention discloses a method for preparing siwu decoction formula granules and a quality control method thereof. The method for preparing the siwu decoction formula granules comprises steps: prepared rehmannia roots, angelica sinensis, radix paeoniae alba and ligusticum wallichii medicinal slices are added with water which is 5-15 times of the weight of total inventory, are extracted for two times, aromatic water is collected and is combined with two frying filter liquids, are decompressed and concentrated in vacuum, a concentrated solution is added with beta (Beta)-cyclodextrin and silicon dioxide to uniformly stir and obtains a clear paste, and the aromatic water and the aromatic water are sprayed and dried after being uniformly mixed, and are pelletized through a dry method to prepare the siwu decoction formula granules. The quality control method of the siwu decoction formula granules comprises qualitative identification of an infrared fingerprint spectrum and a thin layer and content determination of a high performance liquid chromatography (HPLC). The method for preparing siwu decoction formula granules and the quality control method thereof decoct in a combined mode according to a traditional method, can perfectly take full advantages of drug matching compared with an existing method that various medicinal odours are added when single formula particles are taken, reflects the overall concept of Chinese medicine, guarantees to achieve the purpose of reducing toxicity and enhancing efficacy, supplies novel selection for clinical medication, builds a perfect quality standard, controls quality by combining a power-spectral method and a chromatography, and can effectively control quality of complex granules from the overall to the more specific.

The invention discloses a preparation method of high-temperature-resistant nylon resin, which comprises: making 1-hydrogen-benzimidazole-2,5-diamine, aliphatic dibasic acid or aromatic dibasic acid in the presence of a catalyst Acid and solvent are mixed and reacted under a protective atmosphere to prepare benzimidazole dicarboxylic acid; and, in the presence of a catalyst, make benzimidazole dicarboxylic acid, other binary The mixture of acid, aliphatic diamine, water and ethanol is mixed and reacted in a horizontal high-temperature and high-pressure reactor with built-in rotating stirring blades under a protective atmosphere to prepare high-temperature-resistant nylon resin. The invention truly realizes the "one-step" polymerization of high-temperature-resistant nylon resin, with simple process, mild conditions, high efficiency, environmental protection, low equipment requirements, and no agglomeration and bonding of materials during the polymerization process, which is suitable for industrialization. The high temperature resistance performance, tensile strength, bending strength and other mechanical properties of high temperature resistant nylon resin products are also significantly improved.