35results about How to "Increase oxygen flow" patented technology

The invention relates to an atmospheric pressure low-temperature plasma jet reactor with preionization structure, which belongs to plasma discharge reactor technical field, and the reactor is characterized in that: the device main body is a millimeter magnitude main silica tube with one open end; a part is arranged above the open end at the lower part with 15 to 25mm, and the part becomes the thinnest at 20mm part, and a ring-shaped electrode is wound on the part; a thin silica tube is connected at the closed end arranged in the inner part thereof through the closed end arranged at the upper part of the silica tube; and a needle electrode is arranged in the thin silica tube. An earthing electrode is arranged below the open end of the main silica tube; and the argon gas is filled into the needle electrode, and the oxygen gas is filled into the main silica tube. The needle electrode and the ring-shaped electrode can be exerted with the same high voltage; the needle electrode discharge can supply the seed electrons for the ring-shaped electrode discharge, and a stable glowing discharge plasma jet is arranged between the ring-shaped electrode and the earthing electrode. The reactor has the beneficial effects that the obtained plasma jet can generate high-concentration chemical activity species, and the reactor has practical value.

A wine glass having a bowl with a protrusion on the inner surface of the bottom end. The wine glass may aerate and enhance the bouquet of wine contained therein while providing an aesthetically pleasing appearance. The protrusion may also include a hole to allow wine to flow therethrough for further aeration.

Methods and apparatus to form a biometric based information communication system are described. In some examples, the biometric based information communication system comprises biomedical devices with sensing means, wherein the sensing means produces a biometric result. In some examples the biometric based information communication system may comprise a user device such as a smart phone paired in communication with the biomedical device. A biometric measurement result may trigger a communication of a biometric based information communication message.

The invention provides a method for preventing electric precipitation explosion venting during blowing igniting of semi-steel steelmaking, and belongs to the technical field of converter steelmaking methods. According to the technical scheme, the mixed gas of oxygen and nitrogen is used for igniting and blowing in the blowing stage, instead of single oxygen; the total amount of the mixed gas is the amount of the oxygen supplied for normal blowing, wherein the flow rate of oxygen is 50 to 60% of the amount of oxygen supplied for normal blowing; the gas supply pressure required by normal blowing is provided to a smelting pool; the jet impact area and penetration depth are improved; the igniting time is reduced; if the raise of the temperature of an inlet of an evaporative cooler is beyond 4 DEG C, the flow rate of oxygen can be gradually raised, and simultaneously the flow rate of nitrogen can be reduced; the nitrogen is stopped after the flow rate of oxygen is raised to reach the normal oxygen supply; and the contents of CO and O2 in smoke are controlled to be beyond the explosion venting range. According to the method, the problem which enables the enterprise to be bothered for a long time that electric precipitation explosion venting occurs during blowing igniting of converter semi-steel steelmaking can be solved in a simple way; the potential risk is removed; the production can be carried out smoothly; a great contribution is brought for the safe and efficient production of semi-steel steelmaking.

A fire pit includes a circular bottom plate and a circular, centrally-apertured log-supporting plate. A plurality of legs secured about the periphery of the log-supporting plate maintain the bottom and log-supporting plates in vertically spaced, parallel relation to one another. Each leg has a hollow uppermost end. A plurality of arcuate grates is mounted about the periphery of the log-supporting plate and a vertically-oriented post is secured to each of the grates, mid-length thereof. Each of the posts has a lowermost end slideably received within the hollow uppermost end of its associated leg to releasably connect each grate to the log-supporting plate. Arcuate openings positioned radially outwardly of the central opening enhance the flow of oxygen into the areas where combustion occurs. The log-supporting plate is inverted and the grates are stacked atop it when the fire pit is in its storage configuration.

Methods and systems for controlling operation of exhaust of an engine including a particulate filter are provided. One example method includes generating vacuum during engine operation, and storing the vacuum. The method further includes, during or after engine shutdown, drawing ambient air through the particulate filter via the vacuum.

The invention relates to a control system for controlling the ratio of hydrogen and carbonic oxide in a synthesis gas control process. The control system is used for controlling the ratio of the hydrogen and the carbonic oxide in synthesis gas produced with slurry, natural gas and oxygen as raw materials. The system comprises a hydrogen and carbonic oxide ratio control subsystem, a first natural gas and oxygen flow ratio control subsystem, a slurry and oxygen flow ratio control subsystem and a second natural gas and oxygen flow ratio control subsystem. The system can control the mass ratio of the hydrogen and the carbonic oxide in the synthesis gas produced by reacting the slurry, the natural gas and the oxygen within the range needed by process conditions according to condition changes, and can achieve independent gasfication or common gasfication of the natural gas or the slurry. According to the system, through the mode of increasing fuel flow firstly and then increasing oxygen flow or reducing the oxygen flow firstly and then reducing the fuel flow, the oxygen cannot be excessive in the gasification process of the natural gas and the slurry, and guarantees are provided for producing the qualified synthesis gas.

Silicon-oxygen batteries comprising a silicon anode as chemical fuel, an air-cathode for dissociating oxygen and a non-aqueous electrolyte, and applications using the same are provided. The silicon-batteries may utilize air for generating oxygen.

The barbecue grill with a rotating fire receptacle includes a fire receptacle for receiving wood, charcoal or other combustible materials, which rotates, drawing air through a plurality of air inlets, or vents, formed through a lower wall thereof, thus increasing the oxygen flow through the receptacle and both increasing the rate of combustion as well as providing an enhanced convective path for the heated combustion gases. The barbecue grill with a rotating fire receptacle includes a vertical rod having opposed lower and upper ends, a base secured to the lower end of the vertical rod, the fire receptacle, which is rotatably mounted on the vertical rod, and a vertical support rotatably mounted on the upper end of the vertical rod. The fire receptacle includes the lower wall and at least one sidewall. The fire receptacle has a central aperture and the plurality of air inlets, or vents, formed therethrough.

The invention discloses a power plant waste steam reutilization device comprising an oxygen remover, a waste steam recycling device, a boiler and a steam turbine. One side of the oxygen remover is connected with a supply water tank, and the other side of the oxygen remover communicates with the boiler. The boiler communicates with the waste steam recycling device, and the waste steam recycling device communicates with a waste steam discharging opening of the oxygen remover through an oxygen remover exhaust pipe. A water inlet port of the oxygen remover is further connected with a waste steam condensation pipe, the waste steam condensation pipe is connected with a condensing engine through a condensing water pump, the other end of the condensing engine is connected with the steam turbine, and the steam turbine communicates with a steam discharging opening of the boiler through a pipe. Targeted to the problem that oxygen removal waste steam and boiler continuous blowdown waste steam aregenerated in the operation process of an existing power plant, through the arranged waste steam recycling device, a plenty of waste steam discharged to the air and generated through the oxygen removerand the boiler continuous blowdown can be recycled and reutilized, the loss of a great amount of heat is avoided, and economic benefits of enterprises are increased.

The invention provides ventilation treatment equipment and a control method thereof. The equipment comprises an equipment body, a breathing pipe, a patient interface and a blood oxygen component, wherein the equipment body includes an air outlet; the breathing pipe includes a first end and a second end which are communicated with each other; the first end of the breathing pipe is communicated withthe air outlet; the patient interface is used for being worn at the nasal cavity of a patient; the second end of the breathing pipe is connected with the patient interface; and the blood oxygen component is in communication connection with the equipment body and is used for acquiring an actual blood oxygen value of the patient and sending the actual blood oxygen value to the equipment body. The equipment body also includes a control module used for increasing the flow rate of oxygen in the gas output by the equipment body if the actual blood oxygen value is less than a target blood oxygen value. According to the invention, when the actual blood oxygen value is less than the target blood oxygen value, the flow rate of oxygen output by the equipment body can be increased, so that the outputoxygen flow rate can be accurately controlled according to the specific situation of a patient, and a better treatment effect is realized.

The invention relates to the technical field of winter bamboo shoot planting, in particular to a planting method of winter bamboo shoots in Wantian. The secondary branches and main branches of motherbamboos are used as cutting branches to carry out seedling cultivation, so that the technical problem that bamboo shoots are nourished by the conventional direct use of nutrient components of the mother bamboos, resulting in long winter bamboo shoot planting period, large damage to the mother bamboos, and non-breeding of a bamboo forest caused by more picking times of the winter bamboo shoots is solved; in the seedling raising process, the cutting branches are pretreated by aiming at the growth characteristics of the cutting branches to improve the rooting rate of the cutting branches; meanwhile, a nursery is pretreated so that the soil can meet the nutritional requirements for the growth of the cutting branches; afterwards, the accumulation of nutrients and dark reactions in the cutting branches are improved by utilizing an alternating light mode, thereby increasing the survival rate of cutting seedlings. A set of planting methods is also independently developed by the application forthe growth characteristics of cutting seedlings to effectively improve the conditions for planting winter bamboo shoots and accelerate the growth of the winter bamboo shoots so that the winter bambooshoots can be planted for one more season, thereby increasing the yield of the winter bamboo shoots.

A bronchoscope includes a main shaft extending from a proximal end to a distal end having an aperture. The proximal end of the bronchoscope includes a plurality of ports. One port is a ventilation port in fluid communication with the main shaft via a ventilation tube. The ventilation tube includes a first portion and a second portion, wherein the second portion extends from the first portion to the main shaft. The second portion is disposed at angle of approximately 60-70 degrees relative to the first portion. Another port may be configured to receive an adapter that includes a first member and a second member, wherein the second member is rotatable relative to the first member to relocate a tool received by the adapter within the main shaft.

The invention provides an MgGa2O4 ultraviolet detector and a preparation method thereof. The method comprises steps S1, taking an organic magnesium compound as a magnesium source, an organic gallium compound as a gallium source, taking high-purity oxygen as an oxygen source, and growing an MgGa2O4 film on a surface of a substrate through employing a metal organic compound chemical vapor depositionmethod; S2, forming an interdigital electrode mask on the MgGa2O4 film by using negative photoresist photoetching, and removing the interdigital electrode mask after metal sputtering of the interdigital electrode mask to form an interdigital electrode; and S3, pressing In particles on the interdigital electrode to obtain the MgGa2O4 ultraviolet detector with the MSM structure. Compared with the prior art, the MgGa2O4 film is prepared by using a metal organic compound chemical vapor deposition method, by increasing the oxygen flow, increasing the oxygen partial pressure and reducing the oxygendefect, the prepared MgGa2O4 film has characteristics of high crystallization quality, no phase splitting, steep absorption cut-off edge and the like, so the ultraviolet detector containing the MgGa2O4 film has lower dark current and higher photoresponse speed.

The invention provides a ZnMgO ultraviolet detector and a preparation method thereof, and the method comprises the steps: S1, taking an organic zinc compound as a zinc source, taking an organic magnesium compound as a magnesium source, taking high-purity oxygen as an oxygen source, and growing a ZnMgO film on the surface of a substrate by adopting a metal organic compound chemical vapor depositionmethod; S2, forming an interdigital electrode mask on the ZnMgO film by using negative photoresist photoetching, and removing the interdigital electrode mask after sputtering metal on the interdigital electrode mask to form an interdigital electrode; and S3, pressing In particles on the interdigital electrode to obtain the ZnMgO ultraviolet detector with the MSM structure. Compared with the priorart, the oxygen flow is increased, the oxygen partial pressure is increased, and oxygen defects are reduced; the prepared ZnMgO film has the characteristics of high crystallization quality, no phasesplitting, steep absorption cut-off edge and the like, and the ZnMgO film 2 with the mixed-phase structure can simultaneously meet high responsivity and low dark current, so that the ZnMgO ultravioletphotoelectric detector has lower dark current and higher photoresponse speed.

The invention belongs to the technical field of sewage purification and repair of ecological landscape engineering treatment and particularly relates to a polymer composite ecological landscape floating body with a sewage purification and repair function. The polymer composite ecological landscape floating body comprises a floating body and a planting basket arranged on the floating body, wherein the bottom of the planting basket extends out of the bottom surface of the floating body; the floating body utilizes an adsorbent for adsorbing a leaking aromatic chemical solvent as a carrier material; the floating body is a solid floating body which is prepared by adopting a chemical copolymer synthesis process, is small in specific gravity and can float on the water; multiple micro-hole clearances are formed in a polymer composite copolymer, thereby providing a carrier with buoyancy force and adsorbing toxic chemical substances in water; and the floating body is provided with a cover body or base plate which is provided with a seepage hole and plays a supporting role on the floating body. The invention aims at providing the polymer composite floating body which is free of emission of three wastes in the production process, has a repair effect of purifying a water source and can meet the requirements of the ecological landscape floating body.