Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

261 results about "Mixing zone" patented technology

Mixing Zone A mixing zone is an area of a lake or river where pollutants from a point source discharge are mixed, usually by natural means, with cleaner water.

Gas-liquid contactor for capturing carbon dioxide

A system for removing carbon dioxide from a gas includes: an eductor, a CO2-lean gas outlet fluidly coupled to the eductor, a fan fluidly coupled to the CO2-lean gas outlet, the fan being rotatable to discharge the CO2-lean gas from the CO2-lean gas outlet, and a capture solution tank. The eductor includes a capture solution inlet operable to receive a lean capture solution, a gas inlet operable to receive the gas that includes carbon dioxide, a mixing zone configured to react the lean capture solution and the gas that includes carbon dioxide; and, an eductor outlet operable to discharge a mixed fluid that includes a rich capture solution and a CO2-lean gas. The capture solution tank is fluidly coupled to the eductor outlet and to the CO2-lean gas outlet, and the capture solution tank configured to collect the rich capture solution.
Owner:CARBON ENG ULC

Multistage reinforced mixing device for multiphase components

The utility model relates to the technical field of water treatment, in particular to a multi-phase component multi-stage reinforced mixing device which comprises an outer cylinder, an inner cylinder, a flow guide assembly, a turbulent flow assembly, a mixing and stirring assembly and the like, a first mixing area is formed in the outer cylinder, and feeding is performed in the circumferential tangential direction; a second mixing area provided with a mixing and stirring assembly is formed in the inner cylinder body; the flow guide assembly is located between the first mixing area and the second mixing area; a third mixing area is formed between the outer barrel and the inner barrel, and the turbulent flow assembly is arranged in the third mixing area. The overall structure is compact and simple; sewage is mixed through the rotational flow effect and the centrifugal effect of the first mixing area, meanwhile, components in the sewage are separated and sorted, heavy impurities are centrifugally separated and discharged, and other impurities enter the second mixing area and the third mixing area to be continuously subjected to mechanical mixing, circulating flow mixing and vortex flow mixing reaction; meanwhile, the particle size of the flocculation core is controlled, so that the mixing efficiency is improved, and the utilization rate of the coagulation agent is improved.
Owner:CHINA MACHINERY INT ENG DESIGN & RES INST

Calculation method for water-rich rock mass fracture grouting diffusion process under slurry-water mixing effect

The invention relates to the field of numerical simulation calculation, and particularly discloses a calculation method of a water-rich rock mass fracture grouting diffusion process under a slurry-water mixing effect, which comprises the following steps: (1) respectively calculating the relationship between the width X of a slurry-water mixing area and the grouting time t under one-dimensional fracture and two-dimensional fracture grouting diffusion working conditions; and (2) calculating the relationship between Ry, Rm and t under the two working conditions. And (3) calculating a slurry concentration space distribution equation under the two working conditions. And (4) calculating the spatial distribution equation of the rheological parameters of the slurry under the two working conditions. And (5) respectively calculating grout flow control equations expressed by the grouting flow q under the two working conditions. And (6) calculating a pressure space distribution equation in the grouting diffusion area under the two working conditions. And (7) calculating a relational expression between the grouting pressure and the time at the inlet under the two working conditions. By means of the relational expression, effective prediction of the grouting pressure and the grouting diffusion radius in the grouting diffusion process can be achieved, and the prediction precision of the grouting diffusion process is greatly improved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Multi-stage reinforced mixing micro-vortex flocculation device

The invention relates to the technical field of water treatment, in particular to a multi-stage reinforced mixing micro-vortex flocculation device. The multistage enhanced mixing micro-vortex flocculation device comprises a mixing unit and a flocculation unit which are arranged in series, the mixing unit comprises an outer cylinder, an inner cylinder, a flow guide assembly, a turbulent flow assembly, a mixing and stirring assembly and the like, a first mixing area is formed at the junction of a first containing cavity and a second containing cavity in the outer cylinder, and a second mixing area is formed in a third containing cavity. A third mixing area is formed between the inner wall of the first barrel and the outer wall of the inner barrel; the flocculation unit comprises a shell with a fourth accommodating cavity and at least one group of flocculation single pieces arranged in the fourth accommodating cavity. The multi-stage reinforced mixing micro-vortex flocculation device is compact and simple in overall structure, promotes mixed mass transfer, improves a flocculation reaction flow field, reinforces flocculation reaction power, can greatly improve the mixed flocculation reaction effect and efficiency, reduces the requirement of a coagulant, shortens the flocculation reaction time, and improves the precipitation performance of flocs.
Owner:CHINA MACHINERY INT ENG DESIGN & RES INST

Preparation device for composite modified asphalt

The invention relates to the technical field of building material preparation, in particular to a preparation device for composite modified asphalt. Comprising a modified material premixing bin, an asphalt feeder and a main reaction system, a modified material feeding port and an asphalt feeding port are formed in the top of the main reaction system, the modified material premixing bin is communicated with the main reaction system through the modified material feeding port, and the asphalt feeder is communicated with the main reaction system through the asphalt feeding port; the main reaction system is of a multi-stage mixing reaction kettle structure and sequentially comprises a first-stage vertical stirring area, a second-stage high-speed shearing area and a third-stage static mixing area, and the interiors of the first-stage vertical stirring area, the second-stage high-speed shearing area and the third-stage static mixing area are communicated with one another; and through continuous design of multi-bin matching and multi-stage mixing, the problems of non-uniform mixing and low product performance of the composite modified asphalt are solved.
Owner:HUZHOU RUIMEI ROAD ENG CO LTD

Decontamination and dehydration land-saving integrated treatment method

The invention relates to the technical field of precipitation and sludge dewatering, in particular to a decontamination and dewatering land-saving integrated treatment method. When turbidity removal is taken as a treatment target, the system comprises a pretreatment and biological enhancement precipitation and dehydration integrated tank, a filter tank, a clean water tank, a drainage tank, a concentration tank and a pump room, when pollutants are removed as a treatment target, the device comprises a pretreatment tank, a biological enhancement precipitation and dehydration integrated tank, an ozone contact tank, an activated carbon adsorption tank, a filter tank, a clean water tank, a drainage tank, a concentration tank and a pump room, the biological enhancement precipitation and dehydration integrated pool comprises a main pool body, a sludge backflow dehydration machine room, a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are matched, the main pool body comprises a mixing area, a lifting flocculation area, a transition area, a sludge-water separation area, a water outlet area, a sludge concentration area and a sludge storage area, and the main pool body and the sludge backflow dehydration machine room are jointly built to achieve precipitation and sludge dehydration functions. According to the invention, processes of efficient precipitation, sludge dewatering, biological enhancement and land-saving integration can be taken into consideration, so as to realize dual goals of deep purification of water quality and recycling of resources.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST (GRP) CO LTD

Low-energy-consumption coal gangue suspended state activation calcination process and system

The invention relates to the technical field of coal gangue suspended state activation and calcination, in particular to a low-energy-consumption coal gangue suspended state activation and calcination process and system.The low-energy-consumption coal gangue suspended state activation and calcination system comprises a calcination furnace system and a quartic air pipe, and one end of the quartic air pipe is connected with the bottom of a calcination furnace of the calcination furnace system; a local mixing area is formed at the bottom of the calcining furnace, the other end of the calcining furnace is connected with a kiln door cover of an existing sintering system, and a valve is arranged on the quartic air pipe. The invention provides a low-energy-consumption coal gangue suspended state activation calcination process and system.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD

Sampling analysis method suitable for composite water source circulating water system

The invention relates to a sampling analysis method suitable for a composite water source circulating water system. According to the composite water source circulating water system, water from various different sources is mixed and recycled. The sampling analysis method comprises the step of setting sampling points at different positions of the circulating water system, wherein the positions cover a water source inlet, a mixing area, a key equipment inlet and outlet and the like. And the sampling accuracy and representativeness are ensured by adopting specific sampling tools and devices. The collected samples are subjected to multi-parameter analysis, including chemical oxygen demand (COD), biochemical oxygen demand (BOD), suspended solids (SS), hardness, pH value (pH) and other indexes of water quality. By establishing the data analysis model and comprehensively evaluating the quality condition of the circulating water, a scientific basis is provided for operation management, water quality regulation and control and equipment maintenance of the circulating water system, the operation efficiency of the composite water source circulating water system is effectively improved, the treatment cost is reduced, and the service life of equipment is prolonged.
Owner:国能寿光发电有限责任公司

Hypochlorous acid liquid mixing detection device

The utility model discloses a hypochlorous acid liquid mixing detection device which comprises a raw material feeding device, a mixing cavity device, a communicating pipeline and a detection cavity assembly, the raw material feeding device comprises a check valve, a straight joint I and a connecting pipe II, and one end of the check valve is fixedly connected with one end of the connecting pipe II. According to the utility model, the detection cavity assembly is independent of the mixing cavity and is connected with the mixing cavity through the slender communicating pipeline, so that a mixed solution can stably and slowly flow into the detection cavity, and the physical isolation of a mixing area and a detection area is realized; the direct impact of turbulent flow, bubbles or concentration fluctuation generated in the mixing process on the detection sensor is effectively avoided, the inlet and the outlet of the detection cavity are both designed to be thin and narrow channels and are located on the upper portion, the standing time of a solution in the detection cavity is prolonged, it is ensured that the detection cavity can be fully and stably filled with the solution, and the detection efficiency is improved. And a stable detection environment is provided for the sensor.
Owner:INNER MONGOLIA LAIKAIFANGYING TECHNOLOGY CO LTD

Efficient and stable gas mixing device

The invention belongs to the technical field of gas mixers, and particularly discloses an efficient and stable gas mixing device. The upper portion of a shell of the device slidably penetrates through an upper fixing frame, the lower portion of the shell is fixed, the shell is sequentially divided into a preheating area, a mixing area and a reaction area, and at least two gas inlet pipelines are arranged on the shell; the mixer is arranged in the mixing area, the upper and lower ends of the internal pipe are hermetically connected with the inner wall of the mixing area respectively, and a plurality of gas distribution plates for guiding gas flow distribution are sequentially arranged at two ends and inside the internal pipe; the thermocouple guide pipe sequentially penetrates through the upper fixing frame, the preheating area and the mixer. The gas inlet pipeline sequentially penetrates through the upper fixing frame and the preheating area and extends into the mixer, and the end, outside the shell, of the gas inlet pipeline is connected with a gas supply source through a gas flow meter; one end of the mixed gas outlet pipeline penetrates through the lower fixing frame and extends into the reaction area, and the other end is connected with an analytical instrument. The device has the characteristics of compact structure, high mixing efficiency, small concentration difference, few side reactions, good stability and strong adaptability.
Owner:YUNNAN PRECIOUS METALS LAB CO LTD +2

Inherently safe oxygen / hydrocarbon gas mixer

A method of safely mixing a hydrocarbon with an oxidant is provided. The hydrocarbon and oxidant are saturated with a non-flammable liquid in pre-mix zones that are flooded with the non-flammable liquid and fluidly connected to a common mixing zone that is partially flooded with the non-flammable liquid. The saturated hydrocarbon and oxidant combine within the common mixing zone forming bubbles of a homogeneous gas mixture of hydrocarbon and oxidant, preferably in a ratio of hydrocarbon to oxidant that is outside of the flammability limit, that can exit the non-flammable liquid into a headspace where it can be retrieved for use in an oxidative reaction process such as oxidative dehydrogenation.
Owner:NOVA CHEM (INT) SA

Pot cover assembly and cooking utensil

The pot cover assembly comprises a face cover and an inner cover arranged below the face cover, an exhaust cavity is formed between the inner cover and the face cover, the pot cover assembly further comprises an exhaust pipe arranged in the exhaust cavity, the inner cover is provided with an installation opening, the face cover is provided with an exhaust opening and an air vent, the exhaust pipe is installed at the installation opening, and the air vent is communicated with the air vent. A mixing area is arranged in the exhaust pipe, the exhaust pipe is provided with a communicating section communicating the ventilation opening and the mixing area, the exhaust pipe is provided with a positioning structure, and the inner cover is provided with a matching structure matched with the positioning structure so as to limit rotation of the exhaust pipe relative to the surface cover. In the exhaust process, outside cold air enters the mixing area of the exhaust pipe, the cold air and the high-temperature steam are mixed in the exhaust cavity, and bubbles can be rapidly broken to achieve bubble breaking and overflow prevention. The matching structure and the positioning structure are matched to reduce shaking of the exhaust pipe and limit rotation of the exhaust pipe, so that the relative positions of the exhaust pipe, especially the communicating section and the surface cover are kept fixed, and the possibility of air leakage is reduced.
Owner:HONGYANG HOME APPLIANCES

A method for collecting in-furnace flue gas to increase the SCR inlet temperature

The present invention discloses a method for collecting flue gas near the furnace to increase the SCR inlet temperature, which relates to the technical field of tail gas treatment. The method includes dividing flue ducts into a first flue duct and a second flue duct according to the historical information of the flue gas in each flue duct; obtaining the real-time information of the flue gas in each flue duct, and determining the respective fluctuation information corresponding to the first flue duct and the second flue duct based on the real-time information of the flue gas in each flue duct; planning the target inlet temperature of the SCR system for a future period according to the fluctuation information; mixing the first flue duct and the second flue duct in the mixing area, and determining whether to heat the mixing area based on the mixed flue gas information and the target inlet temperature of the SCR system; inputting the mixed flue gas into the SCR system, and obtaining the real-time SCR treatment information, and adjusting the heating amount of the mixing area according to the real-time SCR treatment information and the target inlet temperature of the SCR system for a future period. The adaptability of flue gas collection is improved, the desulfurization efficiency of the SCR system is ensured, and thus resources are saved.
Owner:YANTAI POWER PLANT OF HUANENG SHANDONG POWER GENERATION CO LTD

Pilot plant test system of quick-sand high-density sedimentation tank

The utility model provides a pilot plant test system for a quick-sand high-density sedimentation tank, and the pilot plant test system comprises an adjusting area which receives a fluid to be treated and can adjust the flow of the fluid in the adjusting area; the mixing area is in fluid communication with the adjusting area, and the fluid can be subjected to coagulation treatment in the mixing area; an adding zone in fluid communication with the mixing zone, in which a loading medium can be added to the fluid; the flocculation zone is communicated with the fluid in the feeding zone, and the fluid can be flocculated in the flocculation zone; the settling zone is in fluid communication with the flocculation zone, and the fluid can be subjected to settling treatment in the settling zone to form a sludge mixture; the sludge reflux device is in fluid communication with the settling zone at the bottom of the settling zone and is configured to be capable of treating the sludge mixture to form sludge and recovery fluid; the adding device is configured to be capable of respectively adding corresponding medicaments into the mixing area, the adding area and the flocculation area; and the buffer device is in fluid communication with the sludge reflux device to receive the recycled fluid and is configured to be capable of conveying the recycled fluid to the adding area.
Owner:SUEZ ENVIRONMENTAL TECH (BEIJING) CO LTD

Method and device for acquiring gas-water gravitational differentiation behavior in oil reservoir considering oil layer dip angle

The invention relates to a method and a device for acquiring a gas-water gravitational differentiation behavior in an oil reservoir considering an oil layer dip angle, and relates to the technical field of oil-gas field development. Comprising the following steps: based on a maximum distance criterion of migration of a gas-water mixed displacement area along an inclined displacement direction by a complete gravitational differentiation distance and a vertical water-drive reservoir thickness criterion after complete gas-water differentiation by a complete differentiation thickness or height; according to the water phase flow, the gas phase flow, the flow of the gas-water mixing area, the total flow, the gas flow-total flow of the injected fluid, the water flow-total flow of the injected fluid, the thickness of the oil reservoir, the water vapor and the gas-water differential velocity, a gravitational differential model of the oil reservoir is obtained; and inputting the basic parameters of the target water-gas alternate injection inclined oil reservoir into the oil reservoir gravitational differentiation model for calculation to obtain a gas-water gravitational differentiation behavior result of the target oil reservoir. According to the acquisition method provided by the invention, efficient prediction of the gravitational differentiation behavior of the oil reservoir developed by alternately injecting water and gas is realized.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Double screw devolatilization extrusion granulator synchronous area continuous flexible online devolatilization device

The application discloses a kind of double screw devolatilization extrusion granulator synchronous area continuous flexible online devolatilization devices, and it relates to the field of polymer material processing technology, comprising: double screw extruder host, its barrel is sequentially divided into conveying zone, primary devolatilization zone, at least two multistage devolatilization zone and mixing zone along the axial direction;Feed system;With the vacuum system being communicated with each devolatilization zone;And temperature control system for independently adjusting the temperature of each zone barrel;Multi-source sensing unit, intelligent collaborative controller.The online devolatilization device described in the present application can accurately collect the data of each stage devolatilization zone, carry out intelligent collaborative control of each module, and accurately locate the disturbance source through fluctuation main disturbance factor, realize the dynamic allocation of devolatilization zone role and the synchronous flexible collaborative control of multiple parameters, solve the industry pain points of low devolatilization efficiency, pressure crosstalk, material leakage and material degradation under wide viscosity working condition, significantly improve the equipment operation stability, devolatilization efficiency and product quality, and reduce production energy consumption.
Owner:SICHUAN ADVANCE TECH CO LTD

Integrated mixing, flocculating and precipitating equipment

The utility model provides integrated mixing, flocculating and settling equipment, which belongs to the technical field of feed water treatment equipment, integrates the functions of mixing, flocculating and settling, and comprises a mixing area, a flocculating area, a settling area, a shell, a water inlet pipe, a stirrer and the like. By optimizing the structure and parameters of each treatment area, such as the variable frequency design of the stirrer, the inclination angle of the folded plate, the pipe diameter and inclination angle of the inclined pipe and the like, the mixing, flocculation and precipitation effects are improved, the problems of large occupied area, low efficiency and the like of traditional equipment are solved, efficient and stable water supply treatment is realized, the water supply quality is guaranteed, and the device is suitable for small water supply treatment scenes.
Owner:左兵

Wet dust removal device and equipment

The utility model provides a wet dust removal device and equipment. The bottom of an inner cavity of the main body is used for storing dust removal liquid; the first air inlet area, the gas-liquid mixing area and the gas-liquid separation area are sequentially arranged in the inner cavity of the main body, the first air inlet area is provided with a dust removal air inlet, the gas-liquid separation area is provided with a dust removal air outlet, and the dust removal air outlet is used for being communicated with an external gas negative pressure device; the first gas-liquid mixing port is arranged in the main body, is positioned between the first air inlet area and the gas-liquid mixing area, and is communicated with the first air inlet area and the gas-liquid mixing area; the mixing channel group is arranged in the main body and located in the gas-liquid mixing area, the lower end of the mixing channel group is communicated with the bottom of the inner cavity of the main body, the upper end of the mixing channel group is communicated with the gas-liquid separation area, and the first gas-liquid mixing port is communicated with the lower end of the mixing channel group; and the horizontal height of the overflow port is higher than that of the first gas-liquid mixing port. According to the scheme provided by the invention, the to-be-dedusted gas can be stably filtered with high quality, the filtering efficiency and quality are improved, and meanwhile, the service life of equipment is prolonged.
Owner:HUNAN AUTO PIONEER AUTOMATION EQUIP CO LTD

Zinc smelting flue gas desulfurization device

The utility model discloses a zinc smelting flue gas desulfurization device, and belongs to the technical field of environmental protection equipment. According to the structure of the device, a mixing area, a filter screen, a heat exchange device, a packed bed and an absorption area are arranged in an air path in the airflow flowing direction, the output side of an air suction device is connected with a discharge channel, a plurality of ejectors are arranged in the mixing area, liquid outlet pipes are arranged in the ejectors, a filter and a pump body are arranged on one side of each liquid outlet pipe, and the filter screen is arranged on the other side of each liquid outlet pipe. A conical head is arranged on the other side of the liquid outlet pipe, an outer sleeve body is arranged on the outer side of the filter, a supporting frame is fixed between the outer sleeve body and the liquid outlet pipe, and a disc-shaped cavity is formed in the position, on the rear side of the conical head, outside the liquid outlet pipe. According to the device, a one-way treatment channel is established, alkaline slurry and flue gas are mixed in a jet flow mode and enter a packed bed to be in full contact after primary filtration and temperature adjustment, and then a mixing reaction is completed through a scattering structure. The device disclosed by the utility model is higher in mass transfer efficiency, better in removal effect and obvious in technical advantage.
Owner:KUNMING METALLURGY COLLEGE

Fluid treatment system and method

A fluid treatment system includes a fluid path system including a first fluid path for directing a first fluid substance to a mixing zone of the fluid path system, a second fluid path for directing a second fluid substance to the mixing zone, wherein the mixing zone is arranged in fluid communication with the first fluid path and the second fluid path such that the first fluid substance and the second fluid substance can be mixed in the mixing zone to form a fluid substance mixture, and wherein the fluid treatment system comprises a non-directed flow zone, wherein the non-directed flow zone is configured such that when the fluid substance mixture flows through the non-directed flow zone, the fluid substance mixture can contact or be prevented from contacting an inner wall adapted to direct the fluid substance mixture to flow in a flow direction of the fluid substance mixture, and wherein the non-directed flow zone extends a predetermined distance downstream of the mixing zone, e.g., only the predetermined distance.
Owner:BIONTECH SE

Saline water distribution system

The invention relates to the technical field of salt water distribution, and particularly discloses a salt water distribution system which comprises a dissolving salt box; the partition plate is mounted in the salt dissolving box, a first filter plate is mounted at the bottom of the partition plate, and the salt dissolving box is divided into a mixing area and a solution area by the partition plate; the second filter plate is arranged in the mixing area, and the mixing area is divided into a dissolving chamber and a filter chamber by the second filter plate; the second filter plate and the detection plate are enclosed in the filter chamber to form an exclusive accommodating space, relative isolation of solid salt and a dissolution area is realized, and meanwhile, the solid salt is only accumulated in the accommodating space while normal contact dissolution of the salt and water is ensured by the water-permeable and solid-impermeable characteristics of the third filter plate, so that the solid salt is not accumulated in the accommodating space; the detection plate is matched with the balancing weight to balance the buoyancy of saturated salt water, synchronous lifting can be achieved through the change of the solid salt accumulation thickness, the salt amount state is directly converted into a position signal, and real-time feedback of the residual salt amount and automatic salt supplementing are achieved.
Owner:SHANGHAI SANBANG WATER TREATMENT TECH CO LTD

Liquid mixing device of electrolytic copper foil crude foil engine

The utility model discloses a liquid mixing device of an electrolytic copper foil crude foil engine, which comprises a shell connected with a liquid inlet pipe and a liquid outlet pipe. A partition plate is arranged in the shell, and the inner space of the shell is divided into an upstream mixing area and a downstream flow equalizing area through the partition plate. A plurality of flow equalizing holes are formed in the partition plate, and the upstream mixing area is communicated with the downstream flow equalizing area through the flow equalizing holes; the liquid inlet pipe is connected with the downstream flow equalizing area, the liquid outlet pipe is connected with the upstream mixing area, and a baffling mechanism is arranged in the downstream flow equalizing area. Therefore, the mixing efficiency and the mixing uniformity of the mixer are remarkably improved, the flow equalizing precision is greatly improved, and the standard flow deviation of each branch pipe is less than or equal to 1.618; meanwhile, no extra power device is needed, liquid mixing and flow equalizing are achieved according to the hydrodynamic principle, more energy is saved, the environment is protected, and cost is reduced.
Owner:QINGHAI NORD NEW MATERIAL CO LTD +2

A device and method for eliminating salt deposition in supercritical hydrothermal combustion

PendingCN122359744ACombustionPhysics
This invention relates to an apparatus and method for eliminating salt deposition during supercritical hydrothermal combustion. The apparatus comprises a premixed feeding zone, a supercritical hydrothermal combustion zone, a subcritical mixing zone, and a subcritical material return branch, connected sequentially. The premixed feeding zone includes a feed pipe, a nozzle, a premixing section, and a mixing section, with the feed pipe connected to a material pipe. The supercritical hydrothermal combustion zone includes an upper end cap, a cylindrical body, and a contraction section. A tangential inlet is provided on the upper side wall of the cylindrical body, and the tangential inlet is connected to one end of the subcritical material return branch for introducing subcritical return water and forming a spirally downward subcritical liquid film layer on the inner wall of the supercritical hydrothermal combustion zone and the subcritical mixing zone. The subcritical mixing zone includes a cylindrical body and a head, with a discharge pipe below the head, connected to the other end of the subcritical material return branch. The cylindrical body of the supercritical hydrothermal combustion zone, the contraction section, and the side wall of the cylindrical body of the subcritical mixing zone are all provided with jackets for introducing cooling water.
Owner:TIANJIN LEKE ENERGY SAVING TECH CO LTD +1

An apparatus for extracting hydroxamic acid from furan ammonium salt waste liquid

The application discloses a furan ammonium salt waste liquid oxime acid extraction device, which comprises an outer cover frame and an inner cover frame arranged in the center of the outer cover frame for liquid inlet, a first standing area is clamped between the two, a top discharge pipe and a bottom discharge pipe are arranged at the top and bottom of the outer cover frame respectively, the inner cover frame is provided with a mixing area, a counterflush area and a second standing area which are sequentially connected in communication, the second standing area is connected with the first standing area in communication, and a partition plate penetrates along the central axis of the mixing area. The furan ammonium salt waste liquid oxime acid extraction device provided by the application can mix two liquid streams in the mixing area first when extraction is carried out, and then the two liquid streams are sequentially layered in the counterflush area, the second standing area and the first standing area, and the incompatible waste liquid and dichloromethane are respectively floated and sunk to be collected by the top discharge pipe and the bottom discharge pipe. The input of the liquid and the collection of the liquid are both carried out in real time, and there is no need to wait or manually take out the material, so that the extraction process is accelerated and the efficiency is improved.
Owner:安徽金轩科技有限公司

Microbubble generating device

The utility model discloses a microbubble generating device which comprises a shell, the interior of the shell comprises a water inlet area, a throat area, a first mixing area, a second mixing area and a crushing area which are coaxially arranged in the axial direction and sequentially communicated, the water inlet area extends towards the throat area in a necking shape, the minimum inner diameter of the first mixing area is larger than the inner diameter of the throat area, and the inner diameter of the second mixing area is larger than the inner diameter of the crushing area. The minimum inner diameter of the second mixing area is larger than that of the first mixing area, a plurality of cutting holes used for cutting bubbles are formed in the crushing area, the shell is further provided with an air inlet area, and the air inlet area is communicated with the first mixing area; when passing through the cutting hole, a part of bubble water impacts on the periphery of the cutting opening, rebounds and flows back towards the second mixing area, and the backflow water vapor is converged into a main jet flow column formed by the first mixing area and the second mixing area, and particularly, the backflow water vapor is effectively blocked at the transition position of the first mixing area and the second mixing area; the water vapor is prevented from flowing back to the first mixing area, so that the problem that the water vapor overflows and leaks due to the fact that the water flows back to the air inlet area from the first mixing area is solved.
Owner:GUANGDONG LEHUA HOME FURNISHING CO LTD +2

Enhanced mixing up-flow hydrolytic acidification reactor and method

The invention discloses an enhanced mixing up-flow type hydrolytic acidification reactor and method. The existing hydrolytic acidification reaction tank has the problems of easy blockage of a water inlet pipeline, non-uniform water distribution, poor mud-water mixing effect and the like. A central vertical shaft is arranged in a pond body; the bottom of the vertical shaft is connected with a pond bottom water distribution pipe; the water distribution pipe is provided with a water distribution port; a siphon pulse water distributor is arranged in a water inlet tank at the top of the pool body; the bottom of the water distributor is communicated with the vertical shaft; a partition plate in the tank body divides the tank body into an enhanced mixing area I and a mud-water separation area II, and an electric valve is mounted at the bottom of the partition plate; supernate is discharged from the top of the tank body. Intermittent high-speed water flow generated by the pulse siphon water distribution device enhances the mud-water mixing effect of a traditional up-flow hydrolytic acidification reactor, and water distribution pipelines are prevented from being blocked; a sedimentation tank does not need to be independently arranged, and a water distribution area and a sludge sedimentation area are arranged at intervals, so that mixed flow required to be good in biochemical reaction and water flow static required by sludge-water separation are coordinated.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Double shaft paddle mixer and arrangement and methods for producing paste

A double shaft paddle mixer, including a barrel chamber, and a first paddle screw and a second paddle screw. The first paddle screw is provided with first paddles and the second paddle screw is provided with second paddles. The barrel chamber includes a crushing zone and a mixing zone. The crushing zone is partly separated from the mixing zone by a partition member. A first inlet is connected to the crushing zone and a second inlet is connected to the mixing zone and an outlet connected to the mixing zone. The double shaft paddle mixer can be part of an arrangement and part of a method for producing paste.
Owner:METSO OUTOTEC FINLAND OY

A neutralization tank for desulfurization wastewater pretreatment and a method for desulfurization wastewater pretreatment

This invention relates to the technical field of desulfurization wastewater treatment, and mainly discloses a desulfurization wastewater pretreatment neutralization tank and a desulfurization wastewater pretreatment method. The tank includes a water tank for storing wastewater, a rotating support in the middle of the tank, and an interior mixing zone and a settling zone. A stirring assembly includes a first-direction stirring element and a second-direction stirring element fixedly mounted on the rotating support. The first-direction stirring element is located within the mixing zone, and the second-direction stirring element is located at the boundary between the mixing zone and the settling zone. A cleaning assembly includes an edge cleaning element and a floating cleaning element. The edge cleaning element is fixed on the rotating support and contacts the inner wall of the tank, while the floating cleaning element is movably mounted on the first-direction stirring element. This invention solves the problems of low working efficiency and lack of self-cleaning ability of the stirring elements inside existing neutralization tanks, as well as the complexity of the desulfurization wastewater pretreatment process.
Owner:HUANENG GANSU ENERGY DEVELOPMENT CO LTD 803 BRANCH

Sewage superposed sedimentation tank

The present invention discloses a sewage superposed sedimentation tank, which comprises a tank body; a water inlet pipe is provided on the side wall of the tank body, and a circumferential inlet and circumferential outlet sedimentation area is arranged inside; the lower end of the circumferential inlet and circumferential outlet sedimentation area is communicated with the position of the tank body close to the lower end; the position close to the upper end in the circumferential inlet and circumferential outlet sedimentation area is connected to the bottom of the mixing area through a communicating pipe; the lower end of the mixing area is closed and the upper end is open, and a flocculation area is arranged outside; an inclined plate sedimentation area with the same shape as the tank body is arranged outside the flocculation area and is communicated with the inclined plate sedimentation area through an opening at the lower end; a perforated plate formed by arranging a plurality of inclined tubes side by side is arranged between the inner wall of the inclined plate sedimentation area and the outer wall of the flocculation area, and an annular water outlet trough is arranged at a position close to the upper end; the treated sewage is output through a water outlet pipe at the bottom of the annular water outlet trough; sludge discharge pipes are arranged at the bottom of the tank body and the bottom of the inclined plate sedimentation area, and the precipitated sludge is discharged through the sludge discharge pipes.
Owner:顾建嗣