322results about "Auxillary pretreatment" patented technology

The invention discloses a treatment system and a treatment method for chemical production waste gas, and relates to the technical field of industrial waste gas treatment. The system comprises a waste gas collection unit, a pretreatment unit, a multi-stage purification unit and an intelligent control unit. The intelligent control unit monitors data through a sensor network, the data processing and analysis module evaluates the processing effect and predicts the trend, the intelligent decision and adjustment module optimizes the parameters of each unit in sequence, and the remote monitoring and alarm module monitors and alarms in real time. The system can efficiently treat waste gas, realizes automatic intelligent control, ensures the stable treatment effect, reduces the risk of environmental pollution, and is widely applied to the field of chemical production waste gas treatment.

Filter installations for suspended matter in flowing fluids, including filtration methods, uses and equipment and plants with filter installations. A device reducing the specific particle count of suspended matter by means of an energy input using ultrasound waves stabilized with electronic feedback loops and their harmonics in the fluids or in objects attached thereto. A flow pipe having a wall, which, on its outer side, its inner side, and / or in the wall has pairs of mutually opposite exciters of longitudinal waves and their harmonics, and / or reflectors, opposite the exciters of the flow pipe to a filter, which keeps the specific particle counts of the suspended matter in the filtered fluids to below the detectable limit.

The invention relates to the technical field of waste gas treatment equipment, and discloses odor treatment auxiliary equipment for building insulation board production and processing, the odor treatment auxiliary equipment comprises a treatment tank, the side face of the treatment tank is fixedly connected with an air supply pump through a pipeline, and the end, away from the air supply pump, of the treatment tank is fixedly connected with a circulating pump through a pipeline; a spraying frame is rotatably mounted in the treatment tank, a swinging structure for driving the spraying frame to swing back and forth is arranged on the side surface of the treatment tank, and a uniform exhaust assembly for uniformly dispersing waste gas in the treatment tank is arranged in the treatment tank. By arranging the uniform exhaust assembly and matching with the plurality of aeration heads which are arranged at the top of the mixing disc in a fan shape, waste gas exhausted from the aeration heads slightly deviates from the water inlet side of the circulating pump, so that the waste gas which is just exhausted from the aeration heads is prevented from being directly pumped away and sprayed by the circulating pump, and the purification effect of water liquid in the treatment tank on the waste gas is improved; and the device is ensured to effectively treat the peculiar smell in the waste gas and then discharge the waste gas.

The invention discloses a carbon dioxide capturing and recycling system, which belongs to the technical field of carbon dioxide capturing and recycling, and is characterized by comprising a cooling mechanism, the cooling mechanism comprises a first tank body, an air inlet pipe, a first ventilation pipe and an air blower, the air inlet pipe and the first ventilation pipe are both communicated with the first tank body, and the outlet end of the air blower is communicated with the first tank body; the air inlet pipe is arranged between the air inlet pipe and the first breather pipe and used for conveying air into the first tank body; the dust removal mechanism comprises a second tank body, a second ventilation pipe and a dust removal device, the second tank body is communicated with the first ventilation pipe, the second ventilation pipe is communicated with the second tank body, and the dust removal device is connected with the second tank body and arranged between the first ventilation pipe and the second ventilation pipe; the trapping mechanism comprises a third tank body and an air outlet pipe, the third tank body is communicated with the second breather pipe, a solvent for trapping carbon dioxide is arranged in the third tank body, one end of the air outlet pipe is communicated with the second tank body, the other end of the air outlet pipe is communicated with a collecting tank, and the effect of efficiently trapping carbon dioxide is achieved.

A method of recovering carbon dioxide from flue gases of a plurality of carbon dioxide emitters (1, 2, 3, 4) of a process plant network (100) is proposed, wherein the carbon dioxide emitters (1, 2, 3, 4) comprise individual flue gas ducts (11) operated at individual flue gas duct pressures, wherein each of the individual flue gas ducts (11) is connected via a pressure maintaining valve (13) to a common flue gas collecting duct (10), wherein each of the individual flue gas ducts (11) is connected via a flue gas flap (14) to an individual or common flue gas release unit (15), wherein the flue gas collecting duct (10) is connected to a carbon dioxide removal arrangement (20) including a flue gas blower (21), wherein the method comprises controlling flue gas duct pressures in the individual flue gas ducts (11) by operating the pressure maintaining valves (13) using flue gas duct pressure set values, the flue gas duct pressure set values corresponding to pressures required to release the respective flue gas via the individual or common flue gas release unit (15) at an opened state of the respective flue gas flap (14) to the atmosphere, and wherein the method further comprises adjusting a pressure in the flue gas collecting duct (10) by operating the flue gas blower (21). A process plant network (100) is also proposed.

Processes and facilities for providing recycled content hydrocarbon products (r-products) from the pyrolysis of waste plastic and cracking of the resulting recycled content streams are provided. Processing schemes are described herein that reduce overall water consumption, which helps increase energy efficiency and minimize overall environmental impact of the facility, while producing valuable final products from chemically recycled waste plastic.

The utility model relates to the technical field of dust removal, and proposes a dust removal device for a 3D printer, including a dust removal space in a shell, an air inlet and an air outlet on the shell, both of which are connected to the dust removal space; a dust removal device is arranged in the dust removal space, both of which are connected to the dust removal device, and the dust removal device is used to remove metal dust and residue in the exhaust gas dust; a passivation part includes: a material storage part is arranged in the dust removal space, the material storage part has a material storage space, the material storage space is connected to the air inlet, and the material storage space is used to store passivation powder; a dust pipe is arranged in the dust removal space, the dust pipe is arranged above the material storage space, and the dust pipe has a plurality of air outlet pipes, and the air outlet pipes face the passivation powder in the material storage space. Through the above technical scheme, the problem that the traditional cooling and explosion-proof method in the prior art cannot be reduced to the specified temperature at the initial startup, and the device still has explosion hazards is solved.

The invention belongs to the technical field of formaldehyde waste gas treatment for plywood gluing, and relates to a circulating formaldehyde adsorption regeneration system for plywood gluing. The electrostatic-ultrasonic coupling demister and a humidity self-adaptive purification adsorption path are introduced, so that the problem that the efficiency of a traditional adsorption process is reduced under the conditions of paint mist particle interference and humidity fluctuation is solved, and the adaptability to complex working conditions is improved; an adsorbent performance attenuation kinetic model and a multi-source data intelligent control strategy are established, accurate monitoring of adsorption saturation and dynamic adjustment of an adsorption penetration threshold value and regeneration process parameters are achieved, and the problem that the treatment effect is reduced due to adsorbent performance attenuation is solved; through the design of the grading regeneration technology and the tail gas catalytic oxidation device, the energy utilization efficiency in the adsorbent regeneration process is optimized, high-concentration formaldehyde mixed gas is thoroughly decomposed into harmless substances, and the risk of secondary pollution is avoided.

A turbine engine having an axial centerline is provided that includes a compressor section, a combustor section, an outer casing, an inner diffuser case, a turbine section, a particle separator, and a particle agglomerator. The outer casing is disposed radially outside of and spaced apart from an annular combustor. A diffuser outer diameter (OD) flow path is disposed radially between the outer casing and the outer combustor wall. The inner diffuser case is disposed radially inside of and spaced apart from the annular combustor. A diffuser inner diameter (ID) flow path is disposed radially between the inner combustor wall and the inner diffuser case. The particle agglomerator is configured to produce acoustic signals that causes agglomeration of particles entrained in an air flow within the turbine engine.

Methods and systems for recuperating power from a pressurized fluid stream of a carbon capture system are disclosed. A compressor pressurizes the carbon dioxide containing feed fluid and passes this fluid stream through a carbon capture process. The pressurized stream is expanded across a turbine where power is recovered.

The invention discloses a turbofan rotational flow efficient energy-saving gas separator, which belongs to the technical field of gas-liquid separators, and comprises a tank body, a feeding pipe is arranged on the side surface of the tank body, a gas outlet pipe is arranged at the top of the tank body, a liquid outlet pipe is arranged at the bottom of the tank body, a centrifugal cylinder is arranged in the middle of the tank body, and the feeding pipe is communicated into the centrifugal cylinder; the centrifugal barrel is communicated with the space in the tank body, a first fan is arranged in the centrifugal barrel, and the first fan is driven to rotate so that rotational flow can be formed in the centrifugal barrel; according to the turbofan rotational flow efficient energy-saving gas separator provided by the invention, the first fan is mounted in the centrifugal barrel, the first fan rotates to generate rotational flow, a solid phase and a liquid phase with high density are in contact with the inner wall of the centrifugal barrel under the action of centrifugal force generated by rotation, and meanwhile, solid particles and tiny liquid drops in gas collide with fan blades; liquid drops can be promoted to coalesce and form a liquid film on the inner wall of the centrifugal cylinder, and then flow into the bottom of the separator under the action of gravity to be discharged, so that efficient gas-liquid separation is realized.

A porous substrate includes a continuous graphitic phase, and a glass and / or ceramic phase. The graphitic phase and the glass and / or ceramic phase together form a continuous interconnected pore structure. A total pore volume of the porous substrate is at least 40% as determined by mercury porosimetry. The porous substrate is conductive to electricity. A method of forming a porous substrate includes extruding, drying, and firing an extruded extrudable composition that includes a binder and / or sintering aid.

The utility model discloses a plastic waste gas filtering device, which belongs to the field of filtering devices, and comprises a filtering box, the inner wall of the filtering box is in threaded connection with a filtering net through a bolt, the side wall of the filtering box is provided with a gas inlet pipe and a flocculation box, and the upper end of the flocculation box is provided with a mounting seat. A servo motor is mounted on the inner wall of the mounting seat, a transmission shaft is mounted at the output end of the servo motor through a coupler, an exhaust cylinder is mounted at one end, extending into the flocculation box, of the transmission shaft, and an air delivery pipe is mounted between the filter box and the flocculation box. The device is simple in structure and convenient to use, the contact area of the waste gas and the atomized flocculating agent is increased, particles in the waste gas can be conveniently condensed, the screening effect of the filter screen is improved, meanwhile, waste gas bubbles entering the flocculating box are crushed through the crushing plate, and the device is simple in structure and convenient to use.

The invention discloses a rotary kiln flue gas denitration device, and relates to the technical field of rotary kiln flue gas treatment.The rotary kiln flue gas denitration device comprises an outer furnace body assembly, a centrifugal furnace assembly and a through assembly, a flue gas through pipe is arranged on the inner side of the bottom of the outer furnace body assembly, and a rotating pipe is arranged at the outer end of the top of the flue gas through pipe; a centrifugal furnace assembly is arranged in the outer furnace body assembly. The water inlet pipe is connected with an external water source, when the centrifugal furnace body rotates, a water curtain is sprayed into the furnace through the spraying head, the water curtain makes contact with high-temperature flue gas to achieve cooling and adsorb dust particles, dust-containing water is thrown to the outer wall under the action of centrifugal force, and dust removal is completed synchronously; due to the fact that an ammonia water method with titanium dioxide as a catalyst is adopted for flue gas denitration of the rotary kiln, high temperature easily causes sintering of the catalyst, and the catalytic efficiency can be reduced by dust, according to the design, centrifugal rotation is matched with spraying, the water-gas contact area is enlarged in a single process, the cooling and dust removing effects are enhanced at the same time, and therefore the denitration efficiency and the equipment operation stability are improved.

The invention is a device for forced agglomeration of dry solid particles in a gas flow. The device can be applied in a short section of the duct with contaminated gas. The device for agglomeration of ultrafine particles comprises a T-shaped acoustic chamber and an ultrasonic generator attached to it. An ultrasonic generator is exposed to a volume of gas flow that flows perpendicular to the direction of propagation of the ultrasonic waves of the ultrasonic generator.

The invention belongs to the technical field of natural gas filtration, and particularly discloses a multi-field coupling synergistic natural gas coalescence, separation and filtration device which comprises a shell body, a vibration generator, a sound wave generator, a magnetic field generator, a filter element body and an integrated control module. A cavity is formed in the shell body, an air inlet and an air outlet which are communicated with the cavity are formed in the shell body, the filter element body is mounted in the cavity, and the interior of the filter element body is communicated with the air outlet; a hollow interlayer is arranged between the shell body and the cavity, and the magnetic field generator and the sound wave generator are both arranged in the hollow interlayer; the vibration generator is arranged on the filter element body; the integrated control module comprises a control unit. By means of the structural design, sound-magnetism-vibration multi-field synergistic interaction is achieved, the limitation of a single physical field is broken through, the self-cleaning function of the filter element body is effectively achieved, the blocking speed of pores of the filter element body is decreased, pressure loss is reduced, and the service life of the filter element body is prolonged.

A carbon dioxide recovery system includes: a cooling tower configured to cool a gas containing carbon dioxide by bringing the gas into contact with cooling water; an absorption tower configured to cause the carbon dioxide to be absorbed into an absorbing liquid by bringing the gas cooled in the cooling tower into contact with the absorbing liquid; a regeneration tower configured to release the carbon dioxide from the absorbing liquid by heating the absorbing liquid in which the carbon dioxide is absorbed in the absorption tower; and a heat pump configured to directly or indirectly heat the absorbing liquid in the regeneration tower with heat of the cooling water.

The utility model relates to the technical field of environmental protection, in particular to boiler flue gas dust removal, desulfurization and denitrification equipment which can cool flue gas in advance and recycle heat in the flue gas when the flue gas is desulfurized and denitrified, so that the corrosion of the high-temperature flue gas to a desulfurization tower and a denitrification tower is reduced, and the service life of the desulfurization tower and the denitrification tower is prolonged. The service life of the desulfurization tower and the denitration tower is ensured, meanwhile, the waste of heat in the flue gas is reduced, and the environmental protection property and the reliability are high; comprising a bottom plate, a desulfurization tower, an exhaust pipe, a denitration tower and a discharge pipe, the desulfurization tower and the denitration tower are both installed on the bottom plate and are communicated through the exhaust pipe, and the discharge pipe is arranged on the denitration tower; the device further comprises an induced draft fan, a gas conveying pipe, a gas pipe A, an input pipe and a heat recovery mechanism, and the induced draft fan is fixedly installed on the bottom plate.

The invention belongs to the technical field of environmental protection equipment, and relates to an asphalt fume waste gas treatment system and treatment method. The treatment system comprises a circulating dust removal reaction device for filtering asphalt smoke and particulate pollutants and a heat storage combustion device for combusting gaseous pollutants, the circulating dust removal reaction device comprises a venturi reactor, the output end of the venturi reactor is connected to the input end of an ascending pipeline reactor, the output end of the ascending pipeline reactor is connected to the input end of a filter, and the output end of the filter is connected to a heat storage combustion device; the heat storage combustion device comprises a combustion chamber and a plurality of heat storage chambers, and gaseous pollutants enter the combustion chamber to be combusted after being preheated through the heat storage chambers. According to the system, a dry-process circulating dust removal and heat storage combustion process is adopted, so that the problem of sewage generated by conventional wet-process asphalt fume treatment is effectively solved, and the asphalt fume can be effectively removed.

The invention discloses an efficient and low-consumption waste gas purification system applied to industrial production, and relates to the technical field of industrial waste gas purification. Comprising a spray tower, a bag-type dust collector, a heat exchanger, an air inlet pipeline connected among the spray tower, the bag-type dust collector and the heat exchanger, an air collecting hood mounted at one end of the air inlet pipeline, an air outlet pipeline mounted at the top of the spray tower, a fan mounted at the bottom of the air outlet pipeline and a chimney mounted at an air outlet of the fan, and an upper grating plate is mounted in the spray tower. By arranging the water collecting hopper, the impeller and the generator, potential energy generated when washing liquid flows into the water storage cavity can be converted into kinetic energy and transmitted to the generator for power generation, the converted electric energy is supplied to electrical equipment in the spray tower for use, and the electric energy consumption of a circulating pump and a fan of the spray tower is reduced; by arranging a water collecting hopper and a liquid level sensor, the effect of monitoring the flooding phenomenon in the spray tower can be achieved.

The utility model discloses an adsorption treatment mechanism for heavy metal particles in waste incineration flue gas, relates to the technical field of flue gas treatment, and solves the problems that an existing device cannot cool the flue gas and is poor in adsorption effect on the heavy metal particles. According to the adsorption treatment mechanism for the heavy metal particles in the waste incineration flue gas, the exhaust fan, the cooling disc and the refrigerator are arranged, the cooling disc is kept in a low-temperature device through the refrigerator, high-temperature flue gas is sucked into the flue gas barrel through the exhaust fan and makes contact with the cooling disc, and therefore the flue gas is cooled; the adsorption device has the advantages that by arranging the adsorption pipes and the cooling holes, the flue gas is discharged into the corresponding adsorption pipes through the cooling holes, and the adsorption pipes made of nano metal oxide materials can quickly adsorb heavy metal particles in the flue gas, so that the adsorption effect of the device is improved.

Disclosed is an ammonia stripping device, and a resource recovery type high concentration wastewater treatment system using the ammonia stripping device. The ammonia stripping device optimizes the conditions of pH, temperature, and pressure within a decompression type reactor with respect to raw water resulting from gathering high concentration wastewater and removing a solid therefrom and causes the stripped ammonia to be highly purified in a gas phase without phase change by a separation membrane process of causing the stripped ammonia to pass through a gas separation membrane, and selectively recovering the recovered ammonia. The recovered ammonia of high purity can be reused in being made into resources such as production of urea solutions, power generation by raw materials of green hydrogen and mixed fuel, and so on.

The invention discloses thermoelectric power plant waste gas desulfurization and denitrification and dust integrated treatment equipment, which comprises a framework assembly component and an atomization injection part, and a gas inlet opening and closing component assembled by a bolt is arranged on the inner side of one end of the framework assembly component; a cooling assembly installed in a sleeved mode is arranged on the inner side of the lower portion of the air inlet opening and closing assembly, an intercepting dust removal assembly installed in a sleeved mode is arranged on the inner side of the upper portion of the air inlet opening and closing assembly, and a switching drainage assembly connected in a sleeved mode is arranged at the output end of the air inlet opening and closing assembly. According to the device, after a driving motor is mainly used for outputting power to operate, a driving gear and a gear ring are subjected to meshing transmission, and after meshing transmission, a pasting wheel frame, a through hole plate, a roller shaft rod, an arc-shaped blade, an upper pasting disc, a sleeving opening and an adsorption rod are rotated, and then the arc-shaped blade can effectively blow wind; and therefore, the waste gas can be detained for a longer time, the deep separation effect can be effectively achieved, and the exhaust cleanliness of equipment is improved.

A gas conditioning system removes contaminants including carbon dioxide from flue gas, such as flue gas of a marine vessel, and includes a rotating backed bed assembly. The rotating packed bed assembly fluidly connects to an exhaust port of an engine, and receive a flue gas from the exhaust port. The rotating packed bed assembly includes a first rotating packed bed having an absorption agent to absorb a portion of the carbon dioxide from the flue gas, and a second rotating packed bed to receive the absorption agent from the first rotating packed bed and desorb at least some of the portion of the carbon dioxide from the absorption agent.

The invention belongs to the technical field of wet dust removal devices, and particularly relates to a turbulence-enhanced efficient energy-saving wet dust removal device, and a Venturi condensation unit comprises a shrinkage pipe, an adjustable throat pipe and a diffusion pipe which are connected in sequence; the turbulent flow mixing and strengthening unit is connected between an outlet of the diffusion pipe and an inlet of the fiber grid condensation and filtration unit, and a static turbulent flow generator is arranged in the turbulent flow mixing and strengthening unit and used for enabling gas-liquid-solid multiphase flow from the Venturi condensation unit to generate rotation and turbulent flow; the fiber grid coagulation filtering unit comprises a shell and at least one layer of fiber grid plate arranged in the shell; the washing liquid circulation assembly comprises a liquid storage tank, a water pump and a first connecting pipeline and is used for conveying washing liquid in the liquid storage tank to the atomizing nozzles and the liquid distribution device. The system has the advantages of low-resistance operation, self-cleaning capability, intelligent adjustment and high system integration degree.

Compositions and methods for removing hydrogen sulfide, gas phase thiol, carbonyl sulfide, and combinations thereof from a gas / vapor stream are provided by utilizing a renewable formulation medium. The composition may include an activated carbon media (BCT-AC media) treated with a binding complex. The compositions and methods offer advantages over currently known technologies by reducing the number of process steps required and thus reduced capital and operating costs, and eliminating aqueous phase processes that are expensive to run and produce undesired waste by-products. In addition, the provided compositions and methods remove hydrogen sulfide as recoverable elemental sulfur, and are ideally suited for use in gas / vapor reactions in which carbon dioxide may be present, as it has no process or economic impact on the composition or process.

The invention relates to a membrane type carbon dioxide separation method. The invention discloses a membrane type method for separating CO2 from flue gas. An exemplary method includes passing a fluid stream including the flue gas through a CO2 and H2O permeable membrane, removing a treated gas having less CO2 than the flue gas from a feed side of the membrane, and removing a permeate including CO2 and H2O from a permeate side of the membrane. Suitably, this permeate is removed at a vacuum pressure of sub-atmospheric pressure. The permeate is then cooled to remove at least some H2O from the permeate and form a smaller volume of H2O depleted, CO2 enriched permeate.

An electrochemically-based carbon-dioxide gas separation system includes an energy tower including an internal vertical duct that has an upper inlet open to outside air at an upper end of the energy tower and one or more air outlets at a lower portion of the energy tower. A spray system is mounted adjacent the upper inlet for spraying water droplets into air entering the internal vertical duct, causing the air, and water droplets mixed with the air, to become cooler and denser than the outside air to create a down draft of a humidified air stream within the duct. The humidified air stream flows from the one or more air outlets through one or more electrochemically-based carbon-dioxide gas separation units.