52results about How to "Reduce the mixing ratio" patented technology

A photoelectric conversion element is provided and includes a photoelectric conversion portion. The photoelectric conversion portion includes: a pair of electrodes; and a photoelectric conversion layer between the pair of electrodes, and at least part of the photoelectric conversion layer includes a mixed layer of a p-type organic semiconductor and a fullerene, and a mixing ratio of the fullerene to the p-type organic semiconductor in terms of thickness ratio is less than 1:1.

The invention provides a process for waste oxidation treatment and steam co-production by using supercritical circulating water. A treatment system is a circulating treatment system. The process comprises the steps of filling circulating water into a supercritical circulating water oxidation treatment system, heating the circulating water in a heating device, driving the circulating water to circularly operate in the system, and controlling the temperature to be raised to 395-450 DEG C and the pressure to be higher than 22.1Mpa; inputting sewage and an oxidizing agent to a reactor, and enabling the sewage and the oxidizing agent to react in a supercritical state; enabling the water after reacting to enter a steam generator for heat recovery, and outputting steam; carrying out gas-liquid separation on the water subjected to heat exchange through the steam generator, and discharging inorganic salt gas and a part of water; inputting the other part of water after gas-liquid separation as the circulating water to the heating device. In the process, the sewage is up to the supercritical state through being mixed with the circulating water, a sewage preheating device in traditional sewage treatment is omitted, and the sewage with a high-concentration COD (Chemical Oxygen Demand) value can be directly treated.

The invention provides a system for wastewater oxidation treatment by using supercritical circulating water. The system comprises a heating device, a reactor, a steam generator and a gas-liquid separation device which are sequentially connected end to end through pipelines to form a circulating treatment system, wherein the heating device is used for heating circulating water. In the system, the heating device is used for heating the circulating water to promote the whole treatment process to operate, sewage is up to a supercritical state through being mixed with the circulating water, a sewage preheating device in traditional sewage treatment is omitted, and the sewage with a high-concentration COD (Chemical Oxygen Demand) value can be directly treated.

The invention discloses an additive for firefighting water, which is formed by the following raw materials by weight percent in a mixing way: 5-10 percent of fluorocarbon surfactant, 40-50 percent of foaming agent, 3-10 percent of penetrating agent, 5-10 percent of fire retardant, 3-5 percent of burn-resistant agent, 5-10 percent of antifreeze agent, 3-5 percent of booster solvent, 0.3-2 percent of pH regulating agent and the remaining percent of purified water. The highly-enriched water additive can be mixed with water by any proportion within 0.1-6 percent, and is suitable for the existing firefighting trucks in the market, novel firefighting trucks and water-based firefighting systems. When in extinguishing Class A fires, only 0.1-0.5 percent of additive is added and good permeability and abundant foam can be produced. Moreover, the additive is suitable for foaming systems and spray equipment. For non-water-soluble Class B fires, the required concentration of the used additive is only one percent and good effect can be reached. For water-soluble Class B fires, the concentration of the used additive is 3-6 percent. The used additive causes no environmental pollution and thereby the additive is environment-friendly.

A semiconductive roller (1) according to the present invention has a nonporous single-layer structure formed from a rubber composition which includes: a rubber component including a styrene butadiene rubber and an epichlorohydrin rubber; and a salt of an anion having a fluoro group and a sulfonyl group in its molecule; the salt being present in the rubber composition in a proportion of 0.05 to 5 parts by mass based on 100 parts by mass of the overall rubber component.

An object of this invention is to provide an acrylonitrile based composite fiber having a new feeling different from that of an ordinary cellulose acetate fiber, cellulose fiber and acrylic fiber, excellent spinability, fiber properties and process ability of yarn spinning, and excellent functions, in particular, a deodorizing function and a moisture absorbing and retaining property.The composite fiber is comprised of 10 to 40% by weight of cellulose acetate and / or cellulose and 60 to 90% by weight of an acrylonitrile based polymer, and has a structure with the cellulose acetate and / or cellulose forming an island component in a cross section perpendicular to a fiber axis and the acrylonitrile based polymer forming a sea component. Preferably, the cellulose acetate and / or cellulose as the island component communicate with another island component in the fiber axis direction, a vacant hole is provided inside the fiber, or a ratio of the longest diameter and the shortest diameter of the fiber cross section is 2 or less, and 5 or more recess parts of 0.3 μm or more and 3 μm or less width and 0.3 μm or more and 3 μm or less depth are provided in a fiber cross section outer circumferential part. Further preferably, by applying a heat treatment under alkali in a production stage, the moisture absorbing and retaining property can be improved.

The invention relates to an anti-flareback gas stove. The anti-flareback gas stove comprises a spray nozzle, a furnace end and a burner which are connected in sequence and further comprises a switch mechanism which is arranged in the furnace end and capable of blocking and unblocking a gas channel in the furnace end. The switch mechanism comprises a supporting shaft arranged in the radial direction of the furnace end and fixed to the furnace end, a first blade, a second blade, a self-restoration assembly and a limiting part, wherein the first blade and the second blade are hinged to the supporting shaft and form a blocking plate used for blocking the gas channel in the furnace end after being expanded, and the gas channel in the furnace end is totally unblocked after the first blade and the second blade are attached to each other; the self-restoration assembly is used for driving the first blade and the second blade to be kept expanded, the force of gas on the first blade and the second blade is larger than the restoration force of the self-restoration assembly when a valve assembly of the gas stove is opened, and the limiting part is arranged in the furnace end and used for preventing the first blade and the second blade from being expanded too much. By the adoption of the anti-flareback gas stove, flareback can be effectively reduced or even avoided, and parts of the gas stove are protected against damage.

A gas generator includes an injector that injects a fuel and an oxidizer, and a combustor that mixes and burns the fuel and the oxidizer injected from the injector. The injector includes a plurality of injection elements arranged on a face plate. Each of the injection elements includes unlike-impingement type injection nozzles that inject the fuel and the oxidizer toward a combustion point in front of the face plate, and injection nozzles that inject fuel for dilution to a dilution point DP forward further than the combustion point.

The invention relates to an anti-backfire gas stove. The anti-backfire gas stove comprises a nozzle, a furnace end and a burner which are sequentially connected. The anti-backfire gas stove further comprises a switching mechanism which is arranged inside the furnace end and can block and open a gas channel inside the furnace end. When the gas stove is closed, the switching mechanism can block the gas channel inside the furnace end. Due to the fact that the switching mechanism is arranged inside the furnace end, the furnace end is directly connected with the burner, the residual gas volume is greatly lowered, the probability that mixing ratio of gas to air is within the explosion limit is greatly lowered, a small amount of gas remained in the furnace end and the burner can be burned by a flame, the flame cannot be spread towards the furnace end or farther, the continuous flameout noise and even the explosive sound due to the fact that the flame is spread for the long time are avoided, and parts of the gas stove is effectively protected from being damaged.

A gas diffusion layer for fuel cell of the present invention is structured with a porous member mainly comprised of conductive particles such as acetylene black, graphite and a polymer resin such as PTFE. This makes it possible to achieve both an improvement in power generation performance of the fuel cell and a reduction in costs.