51results about How to "Reduce local hot spots" patented technology

The invention discloses a grading oxygen-enriched flameless combustion gas burner which comprises a burner shell, an air distribution plate, a pre-combustion chamber, secondary air spray pipes and a fuel spray pipe. The wall of a heating furnace is provided with a channel penetrating through the wall, the burner shell is arranged on one side of the channel, the pre-combustion chamber is formed in space in the channel, the burner shell is provided with a combustion-supporting air channel, the fuel spray pipe is provided with a fuel channel, the air distribution plate is provided with a primary air inlet and a fuel inlet, the secondary air spray pipes are arranged and provided with secondary air channels used for introducing oxygen-enriched air or air into a hearth of the heating furnace, the secondary air spray pipes penetrate through the wall of the heating furnace, and the secondary air channels are communicated with the hearth of the heating furnace. The grading oxygen-enriched flameless combustion gas burner optimizes temperature distribution in the furnace and meanwhile reduces emission of NOx.

The invention relates to an aeroheating furnace and a method for generating heat energy. The aeroheating furnace realizes heating by adopting the principle of converting wind energy into heat energy aThe invention relates to an aeroheating furnace and a method for generating heat energy. The aeroheating furnace realizes heating by adopting the principle of converting wind energy into heat energy al cavity channels of the furnace body and a furnace cavity to realize the conversion from wind energy to heat energy. The aeroheating furnace is essentially different from industrial furnaces generaall cavity channels of the furnace body and a furnace cavity to realize the conversion from wind energy to heat energy. The aeroheating furnace is essentially different from industrial furnaces generating heat by means of fuel combustion or directly converting electric energy into heat in principle. Moreover, the aeroheating furnace carries out heating and heat air circulation at the same time toting heat by means of fuel combustion or directly converting electric energy into heat in principle. Moreover, the aeroheating furnace carries out heating and heat air circulation at the same time torealize even height of temperature field inside the furnace body; in addition, the furnace does not adopt heating elements such as electrothermal tubes and reduces energy consumption to realize the efrealize even height of temperature field inside the furnace body; in addition, the furnace does not adopt heating elements such as electrothermal tubes and reduces energy consumption to realize the effect of energy saving.fect of energy saving.nd is characterized by comprising a furnace body and a power device, wherein the inside of the furnace body is provided with flow deflector arranged parallelly to the top wall, side walls and the backnd is characterized by comprising a furnace body and a power device, wherein the inside of the furnace body is provided with flow deflector arranged parallelly to the top wall, side walls and the backwall of the furnace body; wall cavity channels communicated upwards, leftwards, rightwards and backwards are formed in gaps between the flow deflector and the furnace walls, and are communicated with wall of the furnace body; wall cavity channels communicated upwards, leftwards, rightwards and backwards are formed in gaps between the flow deflector and the furnace walls, and are communicated with the intracavity of the furnace body at the front part of the furnace body; the power device comprises an electric motor, a transmission shaft and an impeller; the transmission shaft is fixed by a coothe intracavity of the furnace body at the front part of the furnace body; the power device comprises an electric motor, a transmission shaft and an impeller; the transmission shaft is fixed by a cooling support seat; and the electric motor is controlled by a control system to drive the impeller to rotate through the transmission shaft, thereby ensuring that high-speed air circulates inside the wling support seat; and the electric motor is controlled by a control system to drive the impeller to rotate through the transmission shaft, thereby ensuring that high-speed air circulates inside the wal

An embodiment of the present invention provides a data center computer room equipment layout method based on fluid dynamics simulation, which relates to the technical field of data center computer room layout methods, in order to improve the utilization efficiency of the data center refrigeration system and increase the capacity of IT equipment power consumption in the data center computer room . The method includes: constructing a model of the equipment layout in the data center computer room; modeling according to the overall layout of the equipment in the data center computer room to be transformed; the modeling content includes: the length, width and height of the data center computer room; the size of the air conditioner in the data center computer room , position, air supply and return air position, air supply and return air temperature; cabinet size in the data center computer room; when using the airflow organization method of underfloor air supply, determine the height of the floor and the opening ratio of the cold aisle floor; Carry out airflow organization simulation analysis of IT equipment in the data center computer room; adjust the position of IT equipment in the data center computer room according to the results of airflow organization simulation analysis.

The invention provides a heterogeneous chain extension synthesis method for waterborne polyurethane. The method comprises the following steps: S1, pre-polymerizing: dehydrating polyester polyol, and performing a pre-polymerization reaction on the dehydrated polyester polyol and diisocyanate; S2, performing hydrophilic chain extension and cross-linking: adding a hydrophilic chain extender, a cross-linking agent and a diluent to a material obtained in step S1, and performing a chain extension and cross-linking reaction; S3, neutralizing and extending the chain: adding neutralizing amine, water,the diluent, a pH buffer agent and fatty amine to a material obtained in step S2, and ending the reaction to obtain a prepolymer; S4, performing dispersing emulsification: adding water to a material obtained in step S3 to achieve emulsification in order to uniformly disperse the prepolymer in water; and S5, performing a post-chain extension reaction: adding a post-chain extension amine to a material obtained in step S4, performing chain extension in water, and performing reduced pressure distillation to remove the solvent in order to obtain the waterborne polyurethane. The method uses fatty amine to carry out chain extension in a heterogeneous state in order to synthesize the waterborne polyurethane resin with high content of allophanate; and the obtained emulsion has the advantages of small micelle particle size, low viscosity, good leveling property and good storage performance.