13results about How to "Improve pyrolysis efficiency" patented technology

The application discloses a kind of photothermal synergic catalysis co-pyrolysis system and method of marine organic solid waste, method includes the following steps: waste fishing net, plastic garbage and seaweed are crushed and mixed uniformly according to mass ratio (2-4):(3-5):(1-3);Mixed material and multifunctional composite photocatalyst prepared by seaweed are sent into moving bed reactor according to mass ratio (10-20):1, under the condition of concentrated solar energy leading, electric heating auxiliary, continuous co-pyrolysis is carried out;Pyrolysis product is separated by three-stage condensation to obtain heavy oil, light oil, water and gas.The method realizes the green cycle of "waste treatment", the catalyst cost is low, the degree of system intelligence is high, and provides an efficient, environmentally friendly, economically feasible innovative path for the resource utilization of marine organic solid waste.

The invention discloses a multi-stage plasma treatment device and method for enhancing removal of chlorinated organic compounds in factory water of a waterworks. The multi-stage plasma treatment device comprises a diameter change reaction container, a bearing shaft fixing and transmission device, a bearing shaft, a working electrode and turbulent flow fan blades. The diameter-variable reaction container is a cylinder of which the radius is gradually reduced, and sequentially comprises a water inlet, a turbulent flow section, three treatment sections and a water outlet; the inner side of the bearing shaft fixing and transmission device is fixed with the bearing shaft and drives the bearing shaft to rotate, and the outer side of the bearing shaft fixing and transmission device is fixed with the reaction container; a circuit is arranged in the bearing shaft; a working electrode is a needle-shaped tungsten electrode, each treatment section is provided with three annular belts, each annular belt comprises 12 electrodes, and the interval between every two adjacent electrodes is 30 degrees; the number of the turbulent flow fan blades is 12, and the turbulent flow fan blades are distributed at 30 degrees. According to the invention, to-be-treated water containing chlorinated organic matters and gas (Ar / O2 mixed gas) are pretreated into a gas-liquid mixture, a high-pressure reaction place is formed by virtue of a variable-diameter container, and high-temperature and high-energy plasmas are generated in a rotating electrode pulse type discharge manner, so that the chlorinated organic matters are efficiently pyrolyzed.

This application discloses a microwave experimental apparatus and method for coal and rock, solving the technical problem of limited simulation function in existing microwave experimental apparatuses. The apparatus includes a microwave generating system, a coal and rock loading body, and a control and detection system. The microwave generating system comprises a shell, a first microwave generator, and a second microwave generator. The first microwave generator is fitted onto the second microwave generator with a gap to form an annular cavity for interacting with the coal and rock. The control and detection system includes a controller and gas monitoring devices, temperature monitoring devices, and pressure monitoring devices located in the shell. The controller is connected to the first microwave generator, the second microwave generator, the gas monitoring devices, the temperature monitoring devices, and the pressure monitoring devices. This method increases the pyrolysis efficiency for large coal and rock blocks, allows for the study of the effects of two radiation methods, and enhances the simulation function of microwave experiments, which is significant for supporting research on in-situ coal and rock transformation.

The application provides a method and device for hydrogen production by electromagnetic induction high-temperature carbonization, and belongs to the technical field of hydrogen production by carbonization. The method comprises the following steps: S1, drying and preheating solid carbon-containing raw materials, and isolating air throughout the process; S2, starting a ceramic screw propeller in the carbonization furnace to continuously push the raw materials and sequentially pass through a preheating section, a medium-temperature dry distillation section and a high-temperature carbonization section for pyrolysis carbonization reaction, and simultaneously generate solid carbonized substances and hydrogen-containing mixed gas; S3, the solid carbonized substances are discharged after being transported to a cooling section for cooling; the hydrogen-containing mixed gas is discharged from a gas outlet and subjected to dust removal and purification treatment; and S4, the purified hydrogen-containing mixed gas is purified to obtain high-purity hydrogen. The hydrogen production process of the application does not use open flame heating, reduces dust and waste gas emission, is more environmentally friendly, can prepare high-purity hydrogen, and further improves the product value.

The invention discloses a multi-field control pyrolysis reactor which comprises a lifting pipe at least provided with a preheating section and a rapid pyrolysis section, a reaction channel is formed in the lifting pipe, a carrier gas inlet is formed in the lower end of the preheating section, a material inlet is formed in the preheating section, and a material outlet is formed in the rapid pyrolysis section; the carrier gas inlet and the material inlet are respectively communicated with the reaction channel; the guide pipe penetrates through the lifting pipe and is positioned in the reaction channel, and a plurality of guide pipe gas outlets with different gas outlet directions are formed in the guide pipe. The multi-field control pyrolysis reactor provided by the invention can realize regulation and control of a temperature field, a velocity field and a reaction atmosphere in a reaction process, optimizes a pyrolysis process, and improves product yield and quality.

The utility model belongs to the technical field of biomass gasification, and discloses a novel clean fuel gas biomass fixed bed gasification furnace which comprises an outer reaction furnace and an inner reaction furnace, the inner reaction furnace is coaxially arranged in the outer reaction furnace, the bottom of the inner reaction furnace and the inner bottom of the outer reaction furnace are arranged at intervals, and a fuel gas generation area is arranged in the inner reaction furnace. The top of the inner reaction furnace extends to the outside of the outer reaction furnace, a furnace bar is fixed in the inner reaction furnace, the outer peripheral wall of the inner reaction furnace and the inner peripheral wall of the outer reaction furnace are spaced to form a gas purification area, and a gas outlet is formed in the side wall of the top end of the outer reaction furnace; a feeding mechanism is arranged above the inner reaction furnace; a bottom opening of the gas purification area is provided with a filtering mechanism; a cooling mechanism is fixed on the outer side wall, corresponding to the fuel gas purification area, of the inner reaction furnace; an ash removal mechanism is mounted at the bottom in the outer reaction furnace, and an ash inlet end of the ash removal mechanism axially corresponds to an opening in the bottom end of the inner reaction furnace. According to the reaction furnace, the temperature is kept stable by absorbing reaction heat, the gasification efficiency is improved, and the purification effect of fuel gas is improved.

The application discloses a biomass superhigh-temperature pyrolysis carbonization furnace with lower smoke exhaust and lower air inlet, and relates to the technical field of biomass pyrolysis carbonization, which comprises a furnace body, a furnace cover, an air inlet, a smoke exhaust elbow and a temperature control alarm device. The outer wall of the furnace body is made of a steel plate structure, and an insulating layer is arranged in the furnace body. At least four air inlets are uniformly arranged at the bottom of the furnace body and used for air supply from the bottom of the furnace. A smoke exhaust elbow is arranged at the lower part of the furnace body, and the lower edge of the smoke exhaust elbow is higher than the upper edge of the air inlet. A support is arranged at the bottom of the furnace body and used for supporting a carbon cage. The temperature control alarm device is arranged at at least one air inlet. The furnace body structure combining lower air inlet with lower smoke exhaust is adopted, and the insulating layer and the temperature control alarm device in the furnace are matched, so that the ordered heat transfer from top to bottom and the full recycling of the furnace gas in the biomass carbonization process are realized. Therefore, the pyrolysis efficiency and the fixed carbon conversion rate are remarkably improved under the premise of ensuring the uniformity of carbonization and the quality of finished products.

This invention relates to the field of pyrolysis technology, and in particular to a pyrolysis apparatus and method. The pyrolysis apparatus includes a chain drive mechanism, a flexible reaction net, a scraper mechanism, and a cleaning mechanism. The chain drive mechanism includes a pair of parallel and horizontally placed flat annular outer plate chains and a pair of inner plate chains, along with their driving and supporting components. The flexible reaction net is divided into inner and outer layers, including multiple pairs of wing rods spaced apart on the two pairs of plate chains and flexible rods extending inclined between the plate chains and intersecting each other. The scraper mechanism has multiple flexible scrapers. One end of the cleaning mechanism can contact and clean the outer layer of flexible rods. This invention enables direct and efficient pyrolysis of large-sized strip-shaped organic waste, solving the technical problems of existing pyrolysis devices for treating strip-shaped organic waste, such as easy softening, adhesion, and blockage of raw materials, severe coking and slagging, and high pretreatment costs.

The utility model discloses a kind of pyrolysis treatment systems for oily sludge, including heating furnace, material inlet, gas outlet, material outlet are equipped on heating furnace, gas outlet is connected in spraying tower by first pipeline, cold water heat exchange structure is arranged on first pipeline, spiral conveying structure is equipped on the side of heating furnace, spiral conveying structure includes outer shell, inner shell is equipped in outer shell, inlet, outlet are equipped on inner shell, exhaust port is also equipped, outlet is connected in material inlet, heating structure is connected with the lower of outer shell, water outlet of cold water heat exchange structure is connected in heating structure, second gas outlet is equipped in the upper of outer shell.The utility model is cooled by pyrolysis oil gas, ensure that it enters spraying tower after cooling to carry out efficient spray treatment, water after heat exchange can be heated to preheat incoming material, to improve pyrolysis efficiency after entering heating furnace.

The utility model belongs to heavy oil processing equipment technical field especially, a kind of ploughshare type coking machine, including frame, coking bin, power mechanism and filter system, coking bin is fixed in frame, the first baffle and second baffle that coking bin's bin body shell is equipped with will bin body be sequentially separated into pre-coking area, main reaction zone and discharge area;Power mechanism is located at the frame and drives two horizontal and parallel arrangement's rotating shaft, rotating shaft extends into the coking bin and is equipped with ploughshare group;Filter system includes at least one metal sintered mesh filter, is installed in coking bin top and is communicated with bin. By setting double rotating shaft cross ploughshare group, realize three-dimensional shearing mixing, improve material mixing uniformity, avoid caking and local overheating, set two different height baffle in closed coking bin, significantly improve pyrolysis efficiency, reduce backmixing phenomenon, ensure that material is fully reacted, mechanical seal and packing seal double protection, completely eliminate toxic gas leakage.

The application provides a preparation and application of an anti-aging starch-based emulsifier, wherein the preparation method comprises five steps of amorphization, oxygen-free pyrolysis, low-temperature gelatinization, centrifugal separation and spray drying; the amorphization and overheated steam treatment are combined, the pyrolysis efficiency and solubility of starch are improved, and browning and peculiar smell are prevented; the starch granules after pyrolysis are subjected to low-temperature gelatinization and centrifugal separation to obtain a soluble starch solution with suitable molecular weight and chain length distribution, and the starch granules form granular molecular clusters in water, adsorb and stabilize the oil-water interface; due to strong adsorption force, the starch molecular clusters are difficult to be widely crosslinked, and the aging of the starch emulsifier is effectively inhibited; the starch-based emulsifier provided by the application has the characteristics of anti-aging and pure naturalness, and is suitable for food, pharmaceutical and other industries.

The application belongs to the technical field of solid waste treatment, and relates to a pyrolysis method of waste and old high polymer materials. The pyrolysis method is to make the waste and old high polymer materials pyrolyze in a pyrolysis reactor, and the pyrolysis reactor comprises a stirring handle, the handle comprises a scraper and an elastic member; the elastic member is arranged to be capable of adjusting the inclination angle of the scraper, so that the scraper can continuously contact the inner wall of the pyrolysis reactor and play a scraping role. By using the pyrolysis method of waste and old high polymer materials, the coking produced by pyrolysis on the reactor wall surface can be better removed when the waste and old high polymer materials are pyrolyzed, so that the pyrolysis oil yield and quality of the waste and old high polymer materials pyrolysis are improved on the basis of improving the heat transfer efficiency of the reactor.

The application provides a method and device for grading gasification and reforming recovery of retired fan blades, and belongs to the technical field of solid waste decomposition and recovery. The method comprises the following steps: heating retired fan blade particles to 700-900 DEG C in an inert atmosphere, introducing water vapor for pyrolysis to obtain pyrolysis gas; introducing the pyrolysis gas into a porous medium loaded with an active metal catalyst to perform periodic pulse joule heating, and the average temperature in the process is 900-1200 DEG C to obtain hydrogen-rich synthesis gas; and cooling and recovering glass fibers in an inert atmosphere after pyrolysis. Heating in an inert atmosphere can prevent oxidation reaction and protect the structure of glass fibers; the introduction of water vapor can realize complete decomposition of the resin matrix, and the glass fibers obtained have high surface cleanliness and high tensile strength retention rate; then, the joule effect is used to realize rapid multi-stage high temperature, and the first-stage pyrolysis product is directionally converted into hydrogen-rich synthesis gas. The problems of high recovery cost and large environmental risk of the existing retired fan blades are solved.