118results about How to "Reduce local temperature" patented technology

A device and clinical techniques that can help healthcare workers locate and image the general outlines of blood vessels that are located either under or near to tissue or skin surfaces are described. The device involves a substrate formed from a self-cooling polymeric matrix that incorporates at least a thermo-chromic colorant, and can provide a means to distinguish between different temperature regions when applied to a heat-emitting object or body. The device can be used in certain therapeutic or healthcare-related applications.

The invention relates to an electric car motor controller. The controller comprises a direct current bus capacitor, an IGBT module, a metal support, a driving board, a current sensor, an AC busbar, a DC busbar assembly and a Y capacitor which are arranged in a main box body. An upper box body is also included. An internal portion of the upper box body is provided with a wire connection seat assembly, a shielding board, a control board, a cathode change over busbar, an anode change over busbar, an air conditioning connector, a microswitch, an air conditioning insurance and a direct-current high-voltage interlock connector. A direct current connector, an alternating current connector, an air conditioning connector, a low voltage connector, a control board cover and a junction box cover are fixed to an external portion of the upper box body. When the motor controller provided in the invention works, an IGBT and the direct current bus capacitor are vertically placed so that the controller can flexibly adapt to whole car arrangement. And simultaneously the controller possesses advantages that the structure is compact; power density is high; a heat dissipation effect is good; electromagnetic compatibility is good; operation safety is high and so on.

The invention discloses a Si3N4/SiC complex phase porous ceramic of which the nitriding ratio is higher than 85% and the porosity is 30-60%. The preparation method comprises the following steps: (1) by using Si and SiC as raw materials, adding a sintering assistant, and uniformly mixing by ball milling to obtain a slurry; (2) drying the slurry, screening, carrying out dry pressing, and carrying out cold isostatic pressing treatment to form a biscuit; and (3) putting the biscuit in a sintering furnace, heating to 900-1200 DEG C and then to 1300-1500 DEG C in a high-purity nitrogen atmosphere, sintering by nitriding reaction, cooling, and finally carrying out furnace cooling. The sintering method has the characteristics of short sintering time, simple technique, low energy consumption and the like, can easily obtain the Si3N4/SiC complex phase porous ceramic material with net size molding, complicated shape, high porosity, controllable gap and oriented and interconnected gap structure, and is simple for molding; and the maximum bending strength can reach 150 MPa.

The invention provides treating equipment for waste containing sludge. The objective of the invention is that the temperature of a fluid bed (1a) in a fluid bed gasification furnace (1) used for thermal decomposition of waste can be maintained in a proper range even when considerable waste containing high water content dehydrated sludge is treated. To realize the objective, treating equipment (100) for waste containing sludge is constructed beside cement manufacturing equipment (200). The treating equipment for waste comprises the fluid bed gasification furnace (1) which enables waste to be gasified for production of thermal decomposition gas, a gas delivery line (6) which delivers the produced thermal decomposition gas together with charcoal and ash to between a cement preheater (10) anda decomposing furnace (20), and heating devices like a waste gas air heater (41) which enables the temperature of fluidized air supplied to the gasification furnace (1) to rise by using waste heat ofthe cement manufacturing equipment (200).

An environment-friendly material yard dust removal control system comprises a material yard detection system, a material yard dust removal system, a dust removal electric control system, a remote environment monitoring system, a material yard central control system, a material yard fire control system, a control host, and a Dupline bus system. The control host is responsible for carrying out material yard model data calculation and optimizing selection, processing the data of the material yard detection system in real time, controlling and monitoring the dust removal electric control system in real time, exchanging data with the material yard central control system and the material yard fire control system in real time, providing real-time online data service for the remote environment monitoring system, and displaying the material yard dust environment parameters, the running state of the material yard dust removal system and the fault record in real time. The Dupline bus system connects the control host with the material yard detection system and the dust removal electric control system. The remote environment monitoring system is remotely connected to the database of the control host through the network, and is used for querying environment data of the material yard in real time and calling historical data, grasping the environment situation of the material yard in real time and checking whether the environmental protection of the material yard reaches the standard in real time.

A method for cooling and purifying a bus stop through electrostatic spraying is used for conducting local cooling and local dust removal on the bus stop and is characterized in that the method is applied to an electrostatic spraying dust removal system; the electrostatic spraying dust removal system is installed on the bus stop and composed of a nozzle, an electrostatic device, a liquid conveying pipeline, a pressurizing device, an electric device and a liquid storage tank; the liquid storage tank is connected with the nozzle through the liquid conveying pipeline; water is stored in the liquid storage tank; the pressurizing device is arranged in the position, close to the ground, of an upright of the bus stop and connected with the electrostatic device and the electric device; when external pressure is received by the pressurizing device, starting signals are sent to the electrostatic device and the electric device by the pressurizing device; the electrostatic device is started to conduct local dust removal and the electric device is started at the same time, so that the water in the liquid storage tank is driven to enter the nozzle through the liquid conveying pipeline and water mist is sprayed from the nozzle to conduct local cooling. According to the method for cooling and purifying the bus stop through electrostatic spraying, the requirements for health and the comfort level of people can be satisfied when people are waiting for buses at the bus stop.

An anti-condensation steel silo for grain storage comprises a steel silo body and a support. The steel silo body is provided with a top opening at the top end and a discharge opening at the bottom end. A top cover is disposed at the top opening. A discharge opening seal cover is disposed at the discharge opening. The steel silo body is in a hollow rotary structure made up of steel plates. The anti-condensation steel silo is characterized in that an inner barrier layer made of an enclosing lining net is also in a hollow rotary structure and is fixed in the steel silo body, an area surrounded by the inner barrier layer serves as a grain storage area, and an area between the inner barrier layer and the inner wall of the steel silo body is an air area. Direct contact of grain with the steel plates is isolated by the lining net, voids between meshes of the lining net and the steel plates rapidly exchange external high heat to lower interior local temperature, and accordingly condensate of the grain is avoided dispersing. Therefore, storage state of the grain is maintained.

A moving blade for a high pressure turbine of a turbomachine, the blade having at least one cooling circuit comprising at least one cavity extending radially between a tip and a root of the blade, at least one air admission opening at one of the radial ends of the cavity(ies) to feed the cooling circuit(s) with cooling air, and a plurality of slots opening out from the cavity(ies) and into the trailing edge of the blade, the slots being arranged along the trailing edge between the root and the tip of the blade in a manner that is substantially perpendicular to a longitudinal axis of the blade, at least the slot closest to the root of the blade presenting an inclination towards the tip of the blade lying in the range 10° to 30° relative to an axis of rotation of the blade.

The invention belongs to the field of additive preparation and particularly relates to a preparation method of a modified biomass iron ore sintering additive, in particular to a preparation method ofa modified biomass additive capable of lowering exhaust emission in production of iron ores and improving the iron ore sintering quality. The preparation method comprises the following steps of step 1, crushing a biomass material, and putting the crushed biomass material in an industrial microwave oven for modification treatment; step 2, spraying the treated biomass material with a Ca2+ mother liquor; and step 3, fully and uniformly mixing the materials, performing continuous pressing for 1-2mins under the effect of pressure of 20Mpa, and preparing massive particles with the particle size being 8-12mm to obtain the modified biomass additive. The technical scheme of the invention has important significance of reasonably utilizing clean energy, increasing the utilization ratio of resources and promoting emission reduction and benefit increase of the sintering industry.

A vacuum suction monopolar electrocoagulation and electro-excision pen comprises a monopolar electrocoagulation and electro-excision pen body and a vacuum suction duct system, wherein the monopolar electrocoagulation and electro-excision pen body comprises an electrode head, a handle, and a connection wire; the vacuum suction duct system comprises a hollow duct and a control device. The vacuum suction monopolar electrocoagulation and electro-excision pen allows a user to perform electrocoagulation and electro-excision, suck off smoke and suck away oozing blood and liquid by one hand; occupational injury is avoided, personnel is reduced, and efficiency is improved.

The invention relates to a formula and a preparation method for a water-soluble trichloroisocyanuric acid smoking disinfectant. The disinfectant comprises the following components by weight: 30 to 80 parts of trichloroisocyanuric acid, 20 to 40 parts of glucose, 5 to 15 parts of ammonium chloride and 5 to 30 parts of anhydrous sodium sulfate. The preparation method comprises the following steps: subjecting glucose and anhydrous sodium sulfate to mixing and crushing, and carrying out screening with a 200-mesh spin-vibrating sieve for subsequent usage; and mixing trichloroisocyanuric acid and ammonium chloride, carrying out screening with a 80-mesh spin-vibrating sieve, pouring obtained mixed powder into a stirring mixer and then carrying out uniform mixing, carrying out subpackaging with polyethylene plastic bags, and carrying out sealing so as to obtain the disinfectant. The disinfectant can be dissolved by adding water for sprinkling, spraying and drinking water disinfection, also can be ignited to form smoke for fumigation disinfection, and has the characteristics of safety, convenience, high efficiency, etc.

The invention relates to a high-temperature fire extinguishing device for a high-voltage cable trench. The high-temperature fire extinguishing device comprises a guide rail system and an inspection device. The guide rail system comprises a left guide rail and a right guide rail which are fixed on the left side wall and the right side wall of the cable trench respectively, and the inspection deviceis arranged between the left guide rail and the right guide rail in a sliding mode. A fire extinguishing device is arranged in the inspection device and can perform fire extinguishing operation on afire source of the cable trench. The temperature inside the cable trench can be monitored in real time, and the cable can be automatically extinguished through a sandbox and the inspection device in time after being on fire.