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48results about How to "Can run continuously" patented technology

Integrated converting and utilizing co-production method for agricultural waste

The invention relates to an integrated utilizing technology for agricultural waste and in particular relates to an integrated converting and utilizing co-production method for agricultural waste. The integrated converting and utilizing co-production method comprises the following steps: 1. collecting and processing raw materials; 2. carrying out pyrolysis on the raw materials: generating biochar and high-temperature mixed gas; 3. converting the high-temperature mixed gas: converting the high-temperature mixed gas into wood tar, wood vinegar and fuel gas; 4. manufacturing fertilizers; 5. refining fuel oil: converting the wood tar into biofuel oil and wood pitch; 6. purifying the fuel gas: purifying the fuel gas into clean fuel gas; and 7. converting the fuel gas: respectively sending the biofuel gas into a gas generator, a gas supply pipe network and a heat boiler to covert the biofuel gas into heat energy and electricity energy. The agricultural waste can be converted by multiple levels and are combined to be utilized to obtain straw carbon, fuel gas, heat energy, electricity energy, fertilizers, fuel gas and the like. The use ratio of the agricultural waste reaches 100%. The problem that the agricultural waste is stacked and burnt disorderly can be solved, the pollution problem caused by using chemical fertilizers and pesticides for a long time can be solved, and the problem of utilizing energy, fertilizer and oil in rural areas also can be solved.
Owner:周仁福 +2

Treatment method and treatment system for wastewater produced during flue gas desulfurization adopting limestone/lime-gypsum method

The invention provides a treatment method for wastewater produced during flue gas desulfurization adopting a limestone/lime-gypsum method. The treatment method comprises steps as follows: (1), lime, sodium sulfate, a heavy metal precipitant, a flocculating agent and a coagulant are added to to-be-treated desulfurization wastewater, precipitation is performed, and acid is added to effluent for neutralization; (2), the effluent in the step (1) is subjected to electrodialysis treatment through a homogeneous-phase monovalent ion exchange membrane, and contributing water containing NaCl and concentrated water containing CaSO4 are formed and are recycled respectively. The invention further provides a treatment system for the wastewater produced during flue gas desulfurization adopting the limestone/lime-gypsum method. According to the treatment method and the treatment system, zero emission is realized, the process is simple, the treatment efficiency is high, waste recycling is realized, an available industrial product can be directly obtained, the agent cost, the equipment cost and the energy consumption are lower, and accordingly, the overall operation and management cost is obviously lower than the cost of a conventional technology.
Owner:北京国泷环保科技有限公司

Method and device for supergravity on-line preparation of nano zero-valent iron and synchronous treatment on nitrobenzene wastewater

The invention belongs to the technical field of preparation of nano materials and nitrobenzene wastewater treatment, particularly relates to a method and a device for supergravity on-line preparation of nano zero-valent iron and synchronous treatment on nitrobenzene wastewater, and aims to solve the problems that conventional nano zero-valent iron is complex in preparation process, conditions are rigorous, the preparation process is not easy to amplify, nanoparticles are easy to agglomerate, oxidize and deactivate in the processes of drying, storage and use, and the like. The method comprises the following steps: enabling a ferrous salt containing nitrobenzene wastewater solution and a KBH4 or NaBH4 aqueous solution to react in an impinging stream device for collision, feeding into a rotating packed bed for mixing and reacting, and implementing preparation of nano zero-valent iron and treatment on the nitrobenzene wastewater by using the nano zero-valent iron simultaneously. The method and the device have the advantages that the situation that the nano zero-valent iron can be reacted with nitrobenzene only after being completely developed into large particles in a conventional method is avoided, the nano zero-valent iron can be relatively sufficiently utilized, the amount can be remarkably reduced, multiple steps of reaction is reduced to one step, the reaction can be implemented rapidly, the retention time is shortened, continuous operation can be achieved, and the method and the device are applicable to nitrobenzene wastewater treatment which is large in treatment volume and heavy in treatment task.
Owner:ZHONGBEI UNIV

Backflow vertical wetland sewage treatment process and device, and application of process and device

The invention discloses a backflow vertical wetland sewage treatment process and device, and application of the process and the device. A vertical flow artificial wetland, a horizontal subsurface flow wet land and a reservoir are combined into a vertical structure from top to bottom. Circular treatment of sewage is achieved by laying a water level monitor to control the operation condition of a circulating pump, and each batch of sewage treatment capacity and treatment time are controlled and regulated by matching with a relay. Compared with a traditional artificial wetland, the backflow vertical wetland sewage treatment process has the advantages of being small in floor area, large in hydraulic loading, low in energy consumption, easy to operate and quick to remove pollutants; the conventional effluent water quality indicators CODCr, SS, TN and NH4<+>-N are much lower than the concentration threshold (GB18918-2002) defined by the first grade A standard of urban sewage treatment; the pesticide content in the effluent accords with the hygienic standard for drinking water (GB5749-2006); and the heavy metal content of the effluent reaches the surface water class II water standard (GB3838-2002). According to the backflow vertical wetland sewage treatment process, automatic treatment of the artificial wetland sewage is achieved, and the problem of poor single removal effect on organic matters and nitrogen pollutants in sewage through the artificial wetland is solved.
Owner:JINAN UNIVERSITY

Homogeneous phase photo-oxidation device capable of degrading aromatic compound waste water continuously and processing method thereof

The invention provides a homogeneous phase photo-oxidation device capable of degrading aromatic compound waste water continuously and a processing method thereof. The method comprises the following steps: delivering waste water to be processed into a regulator, mixing the waster water to be processed with a photocatalyst which is added from the upper part of the regulator, and regulating the pH value to 3-4; delivering the mixture into a stirring mixer, and mixing the mixture with H2O2 which is added from the upper part of the stirring mixer; and entering a photoreactor through a constant flow pump after mixing, and carrying out continuous photo Fenton oxidation and degradation to finally obtain qualified clarified water. By the adoption of the processing method provided by the invention, problems of pollution and regeneration of the catalyst cannot be caused, the catalyst and an oxidizer have no secondary pollution, the reaction is carried out at normal temperature and pressure, the occupied area is small, the operation is simple and convenient, the waste water processing capability and processing effect are adjustable and controllable, and the aromatic compound waste water which is difficult to degrade can be processed continuously; and the aromatic compound waste water which is difficult to degrade is processed continuously by adopting the processing method, and the removal rate of a parent aromatic compound is more than 98%.
Owner:JIANGHAN UNIVERSITY

Pyrolysis-gasification integrated conversion and utilization system and method for waste biomass resources

The invention relates to a pyrolysis-gasification integrated conversion and utilization system for waste biomass resources and a method used by the same. The system comprises a pyrolysis device, a gas feeder, a multifunctional heat exchange device and a waste heat supply device, wherein a gas channel of the multifunctional heat exchange device is respectively connected with the pyrolysis device and the gas feeder, and a condensed water channel is connected with the waste heat supply device. The method comprises the following steps: delivering the raw material biomass waste into the pyrolysis device for high temperature pyrolysis to obtain mixed gas containing combustible gas, tar gas, acetic acid gas and water vapor; and introducing the mixed gas into the multifunctional heat exchange device for heat exchange and separating combustion gas from mixed liquor of tar and acetic acid after heat exchange, wherein hot water is obtained, hot water and combustion gas are respectively utilized by the waste heat supply device and the gas feeder to supply gas, heat and hot water for residents, acetic acid can be used as a biological foliar fertilizer, a biopesticide or a biological bactericide, and tar can be used as an industrial raw material. The integrated conversion, collection and utilization rate of the waste biomass resources approaches 100%.
Owner:LUOYANG JUNTENG ENERGY TECH

Low-carbon source two-stage MBR (Membrane-Bioreactor) enhanced nitrogen and phosphorus removal method for city sewage

The invention discloses a low-carbon source two-stage MBR (Membrane-Bioreactor) enhanced nitrogen and phosphorus removal method for city sewage. The method is characterized by being a continuous flow nitrogen and phosphorus removal process with an adjusting tank, an anaerobic tank, a settling pond I, an aerobiotic MBR tank I, an anoxic pond, a settling pond II and an aerobiotic MBR tank II which are connected in series. The method comprises the following steps: firstly, feeding sewage into the anaerobic tank for anaerobic phosphorus release, further feeding the sewage into the settling pond I for sludge-water separation, feeding supernate obtained after settling into the aerobiotic MBR tank I for nitration and degradation of a part of organic matters, feeding settled sludge and a nitration liquid after aerobiotic nitration into the anoxic pond for denitrification phosphorus removal, feeding a part of a mixed liquid after anoxia into the settling pond II for settling sludge removal so as to remove phosphorus, feeding another part of the mixed liquid and the supernate of the settling pond II into the aerobiotic MBR tank II for further aerobiotic nitration and phosphorus removal, and finally filtering and discharging water by using an MBR membrane component. Due to two stages of aerobiotic MBRs, complete separation of nitration bacteria and phosphorus-accumulating bacteria can be achieved, the nitrogen and phosphorus removal effect can be improved, the process is simple in procedure and convenient to operate, and continuous water discharge can be achieved.
Owner:CHINA UNIV OF MINING & TECH

Special sealed feeding device for hazardous waste incinerator and feeding method of feeding device

The invention relates to a special sealed feeding device for a hazardous waste incinerator and a feeding method of the feeding device. The feeding device comprises a hopper, an oil cylinder, a first-stage push element, a feeding channel, a hook type flap gate, a sealed feed bin, a second-stage push element, a feeding port, a monitoring camera and a spray extinguishment unit. The hopper is disposed on the upper portion of the first-stage push element; the first-stage push element and the feeding channel are disposed on the left side of the sealed feed bin; the hook type flap gate and the feed channel are connected and mounted in the sealed feed bin; the second-stage push element and the feeding port are arranged at the bottom of the sealed feed bin; and the monitoring camera and the spray extinguishment unit are arranged at the top of the sealed feed bin. The feeding method comprises that hazardous waste in the hopper is sent to the sealed feed bin by the first-stage push element from the feeding channel, and when the first-stage push element pushes the waste forwards to move under the action of an oil cylinder, the waste in front of the push elements pushes the hook type flap gate open; and the hazardous waste sent into the sealed feed bin through the first-stage push element is sent to the incinerator through the second-stage push element.
Owner:丁剑

Handling system of dry trolley used for placing denitration catalyst

The invention discloses a handling system of a dry trolley used for placing a denitration catalyst. The handling system comprises a trolley, a rail steel beam, and a power system, wherein the trolleyis used for handling the denitration catalyst, the rail steel beam is used for hanging handling tools, the power system is hung on the rail steel beam and used for grabbing the trolley, the power system comprises a hanging connection assembly, a clamping jaw assembly, a hydraulic guide lifting and lowering assembly, a hydraulic assembly, a control box, and a remote-control unit, wherein the hanging connection assembly is used for connecting with the rail steel beam in a hanging mode, the clamping jaw assembly is used for grabbing the trolley, the hydraulic guide lifting and lowering assembly is used for lifting or lowering the clamping jaw assembly, the hydraulic assembly is used for providing power for the hydraulic guide lifting and lowering assembly and the clamping jaw assembly, the control box is used for controlling the hydraulic assembly, and the remote-control unit is used for remotely controlling the handling system to grab and lower the trolley through the control box, and the hydraulic assembly, the hydraulic guide lifting and lowering assembly and the control box are successively fixed into a load bearing frame body from left to right. The handling system is stable andreliable, continuous operation can be realized, personnel fatigue caused by manually pushing trolley does not exist, and the handling time is greatly shortened than the original method; and the automation level of production line equipment is increased, and the site environment is improved.
Owner:JIANGSU LONGYUAN CATALYST CO LTD +1

Efficient and stable combustion injector of medium and small thrust rocket engine

The invention discloses an efficient and stable combustion injector for a medium and small thrust rocket engine. The efficient and stable combustion injector comprises an injection panel, centrifugal plasma nozzles and a high-voltage power supply, wherein the centrifugal plasma nozzles are uniformly distributed on the injection panel in a concentric circle mode, and the injection panel is an insulated single-layer injection panel or double-layer injection panel and can be well compatible with a plurality of plasma nozzles. The inner wall surface of the spraying end of an insulating outer nozzle is provided with a divergence angle alpha; an oxidant channel is arranged between an inner nozzle and the outer nozzle; the metal inner nozzle is grounded and has a retraction distance L; a metal ring sleeves the outer wall of the outer nozzle, is longer than L and is connected with a high-voltage power supply; and the atomization effect and the combustion efficiency can be adjusted by adjusting L and alpha. According to the efficient and stable combustion injector, the non-equilibrium plasma auxiliary combustion technology is combined with the design of the rocket engine injector, so that the effects of shortening the ignition delay of fuels such as methane, widening the ignition limit and rapidly diffusing flames to reach a stable state are achieved, and rapid ignition and efficient and stable combustion are realized.
Owner:PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV

Pig manure sewage treatment device and method

The invention provides a pig manure sewage treatment device and relates to the technical field of sewage treatment. The pig manure sewage treatment device is mainly used for treating a lot of pig manure sewage which is continuously produced, and comprises a collection anaerobic tank, a primary filtering anaerobic tank, a secondary filtering anaerobic tank, an aerobic tank, a primary sedimentationtank and a secondary sedimentation tank, which are arranged in sequence; a dry and wet separator is arranged between the collection anaerobic tank and the primary filtering anaerobic tank; an aerationdevice is arranged in the aerobic tank. The invention further provides a pig manure sewage treatment method; the pig manure sewage treatment method comprises the following steps: (1) culturing decomposing bacteria; (2) collecting the pig manure sewage and carrying out primary anaerobic treatment; (3) filtering and precipitating and carrying out anaerobic treatment; (4) carrying out aerobic treatment; (5) carrying out precipitation and anaerobic treatment again; (6) carrying out disinfection and sterilization treatment. The sewage treatment device provided by the invention has the advantages of simple structure, low production cost, capability of being continuously operated, high treatment efficiency and great sewage treatment amount. The sewage treatment method provided by the invention adopts a method combining physical precipitation and filtering, and biodegradation to treat the sewage, and is green and environmentally friendly.
Owner:连云港市连威农牧科技有限公司

Self-driven heat pipe circulation heat exchanger

InactiveCN109029034AExpand the range of circular applicationsAvoid regulationIndirect heat exchangersDrive wheelMechanical energy
The invention discloses a self-driven heat pipe circulation heat exchanger, and relates to the field of heat energy transmission. The gravity cycle can be broken through, and working medium between acondenser and an evaporator can be automatically driven to circulate. The self-driven heat pipe circulation heat exchanger comprises the evaporator, a gas pipe, the condenser, a liquid pipe, a drivingwheel, a rotating shaft and a driven wheel. During the circulation working process of the heat pipe, gas-state working medium in the gas pipe drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the rotating shaft, and the driven wheel drives liquid working medium in the liquid pipe to return to the evaporator. The volume flow of the gas-state working medium in the gas pipe is much larger than the volume flow of the liquid working medium in the liquid pipe, coaxial rotation and the like, the pressure head obtained by the liquid working medium is farlarger than the lost pressure head of the gas working medium, and the pressure head can overcome the flowing resistance in the whole flowing process. A small amount of heat transfer temperature difference is sacrificed to generate mechanical energy, so that liquid working medium backflow is promoted, the gravity constraint is avoided, the circulating running range of the heat pipe is expanded, external driving is not needed, and the self-adaptive performance is achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Method and device for continuously preparing methanol emulsified diesel

The invention belongs to the technical field of methanol emulsified diesel, in particular to a method and a device for continuously preparing methanol emulsified diesel, solving the problems of high equipment cost, intermittent production, poor stability of products and the like of the prior device for preparing the methanol emulsified diesel. The method comprises the following steps: adding hydrophilic emulsifier into methanol to form a water phase; adding lipophilic emulsifier into diesel to form an oil phase; carrying out preliminary emulsion on the oil phase and the water phase under the action of momentum; and then realizing precise emulsion under the action of hypergravity. The device comprises an emulsifier; the casing of the emulsifier is internally provided with annular filling which is made of silk screen and is capable of rotating at a high speed; and the hollow part of the annular filling is provided with a water-phase nozzle and an oil-phase nozzle the outlets of which are opposite to each other. The invention has the advantages of preparing high-quality emulsifiable solution with good stability and even distribution of particle size, realizing continuous operation for preparing methanol emulsified diesel according to the actual requirement, adjusting the use level of the emulsifier according to the requirement, saving the using amount of the emulsifier, and reducing the cost of methanol emulsified diesel. The device has simple structure and easy operation.
Owner:ZHONGBEI UNIV

Carbon cage-iron microelectrolytic particles for acidic sewage treatment and preparation method

The invention belongs to the technical field of sewage treatment and provides carbon cage-iron microelectrolytic particles for acidic sewage treatment and a preparation method. The method comprises steps as follows: an iron powder dispersion liquid is prepared for mist spray and condensation, iron powder agglomerated microspheres immobilized by stearic acid are prepared, then silica-chitosan composite gel is prepared, the microspheres are uniformly coated with the composite gel and then subjected to high-temperature carbonization, firm microporous cages are formed, iron powder is covered withthe cages, and the microelectrolytic particles with the iron powder covered with the carbon cages are obtained. Compared with a traditional method, the prepared carbon cage-iron microelectrolytic particles not only have good microelectrolysis performance, but also can effectively prevent the iron powder from hardening, the problem that an iron-carbon micro-electrolysis material is prone to hardening and passivating when applied to sewage treatment is solved thoroughly, the purposes of preventing scaling and blockage, realizing continuous operation and efficiently treating acidic sewage can beachieved effectively, meanwhile, the preparation process is simpler, the preparation cost is lower, and the carbon cage-iron microelectrolytic particles can be popularized for production and application.
Owner:CHENDU NEW KELI CHEM SCI CO LTD

A continuous heat storage system based on photothermal moving bed

The invention relates to a continuous type heat storage system based on a photo-thermal moving bed and belongs to the field of solar heat storage. The discharging end of an automatic feeding device isconnected with the feeding end of an inner pipe of a photo-thermal reactor, the photo-thermal reactor is supported by a supporting frame and is arranged in an inclined mode, the discharging end of the photo-thermal reactor is lower than the feeding end of the photo-thermal reactor, a material collecting device is arranged below the discharging end of the photo-thermal reactor, a chain in a transmission system penetrates into the automatic feeding device and the photo-thermal reactor, and heat storage materials are put into the automatic feeding device and driven by the chain in the transmission system to enter the photo-thermal reactor and then fall into the material collecting device through a discharging port of the photo-thermal reactor. According to the continuous type heat storage system, complex heat transmission parts do not need to be arranged in the photo-thermal and heat storage process, sunlight is directly absorbed to carry out photo-thermal conversion, and the heat is stored in the adsorbing type heat storage materials. Moisture desorption and heat storage are achieved by erecting a moving bed system, the problems of clustering and wall sticking of high-water-contentadsorbents are effectively solved through transmission of the chain, and the system is capable of running continuously and good in reliability.
Owner:HARBIN INST OF TECH

Pyrolytic carbon gasification comprehensive transformation utilization system and method for biomass waste resources

The invention discloses a pyrolytic carbon gasification comprehensive transformation utilization system and a pyrolytic carbon gasification comprehensive transformation utilization method for biomass waste resources. According to the system, pyrolyzing equipment is connected with a gas supply device through a gas channel of multifunctional heat exchange equipment, and is also connected with carbon powder collection equipment through pneumatic delivery equipment; and a condensed water channel is connected with an afterheat heat supply device through a heat exchanger of the pyrolyzing equipment. The method comprises the following steps that: biomass raw materials are pyrolyzed into a gas mixture containing a combustible gas, a tar gas and an acetic acid gas at high temperature in the pyrolyzing equipment, and carbon is generated; the gas mixture is sucked into the multifunctional heat exchange equipment for heat exchange to separate the combustible gas and the mixed solution of tar and an acetic acid, and water absorbing heat enters heat exchanger of the pyrolyzing equipment for continuous heat exchange to form hot water; and the hot water and the combustible gas are used for centralized gas supply, heating and hot water supply for residents through the gas supply device and the afterheat heat supply device, the acetic acid is used as a foliar fertilizer or a biological bactericide, or is mixed with the carbon to be used as a bio-fertilizer, and the tar is used as an industrial raw material. The comprehensive transformation utilization rate of the biomass waste resources is 100 percent, and the secondary pollution is avoided.
Owner:LUOYANG JUNTENG ENERGY TECH +1

Biomass waste resource pyrolytic carbon gasification comprehensive conversion and utilization system and method

The invention relates to a biomass waste resource pyrolytic carbon gasification comprehensive conversion and utilization system and a method employing the system. In the system, a pyrolysis device is connected with a gas supply device through a gas channel of a multifunctional heat exchange device, and is connected with a carbon powder collection device through a pneumatic conveying device. A condensation water channel is connected with a residual warmth heat supplying device through a heat exchanger of the pyrolysis device. According to the method, mixed gas comprising combustible gas, tar gas, and acetic acid gas is produced by high-temperature pyrolysis of a biomass raw material in the pyrolysis device, and carbon is also produced; the mixed gas is absorbed into the multifunctional heat exchanging device and is subjected to heat exchange, and combustible gas and a mixed liquid of tar and acetic acid are separated; water absorbs heat, and enters the heat exchanger of the pyrolysis device, and heat exchange is continued, such that hot water is formed; hot water and combustible gas are respectively delivered through the gas supply device and the residual warmth heat supplying device, such that centralized gas supply, heating, and hot water for residents are realized; acetic acid can be used as a foliar fertilizer or a biocide, or can be mixed with carbon to form a bio-fertilizer; and tar is adopted as an industrial raw material. With the system and the method, a biomass waste resource conversion rate is approximately 100%.
Owner:LUOYANG JUNTENG ENERGY TECH
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