Showing papers on "Spray tower published in 2017"

Spray drying of mannitol carrier particles with defined morphology and flow characteristics for dry powder inhalation

Abstract: This study was dealing with the spray drying of tailored mannitol particles as carriers in dry powder inhalation formulations. A self-constructed spray tower equipped with a laminar rotary ...

Numerical simulation for horizontal -spraying -tower flow of wet desulfurization spray tower

Abstract: Simplified reasonably and modeled large scale desulfurization tower, using the software to build a physical model, using ICEM software to divide the grid, using software fluent15 to simulate. Selected k-Ε model as calculating model, SIMPLE algorithm is used to calculate. Calculation results show that horizontal wet desulfurization tower body design of the flue gas absorption region, the influence of flow field and pressure field greatly, at the same time affect the desulfurization slurry and the flue gas mixture reaction. Optimize the absorption area of the desulfurization tower design; it is conducive to improve the efficiency of flue gas desulfurization.

Spray tower used for industrial waste gas treatment

Abstract: The invention discloses a spray tower used for industrial waste gas treatment. The spray tower comprises a motor, a shell, a gas feeding tube and a gas discharging tube, the motor is arranged at the upper end of the shell, a polyhedral hollow ball packing layer is arranged in the shell, a volcanic rock flow-separated ball packing layer is arranged at the upper end of the polyhedral hollow ball packing layer, rotating blades are arranged at the upper end of the volcanic rock flow-separated ball packing layer, a spray liquid in the right lower end of the shell is connected to an annular spray tube arranged at the upper end of the rotating blades through a circulating tube, and a spray liquid in the left lower end of the shell is connected to a lower spray tube arranged between the polyhedral hollow ball packing layer and the volcanic rock flow-separated ball packing layer through a circulating tube. The spray tower has the following advantages: the spray tower has an obvious chemical adsorption effect on polluting substances in waste gas; the spray tower adopting two spray tubes and two-layer spraying has a good atomization effect, and well contacts with dusts; and the annular spray tube is arranged at the upper end of the spray tower, and the rotating blades are arranged at the lower end of the annular spray tube, so a liquid sprayed by the annular spray tube is rotated by the rotating blades, thereby the atomization effect is improved.

Device by water -soluble ammonium polyphosphate of phosphoric acid by wet process preparation

Abstract: The utility model discloses a device by water -soluble ammonium polyphosphate of phosphoric acid by wet process preparation. Include that the phosphoric acid by wet process storage tank passes through pipeline connection to tank reactor, tank reactor's discharge gate connects gradually tubular reactor ageing evaporating pot and spray tower, tubular reactor on link and have the gas ammonia feed inlet, gas ammonia feed inlet front end even has the gas ammonia pre -heater, the ageing evaporating pot on even have the blast pipe, the blast pipe is connected to the tank reactor bottom. The simple process who adopts the device to go on, the reactor wall is difficult to be blockked up.

Thermal desorption tail gas treatment system for organic contaminated soil

Abstract: The invention belongs to the field of treatment of organic contaminated soil, and discloses a thermal desorption tail gas treatment system for organic contaminated soil The tail gas treatment system comprises a cyclone dust collector, a first reactor, a second reactor, an air fan and a spray tower Contaminants to be treated are subjected to dust removal by the cyclone dust collector firstly and then enter the first reactor and the second reactor to be adsorbed and heated for catalytic decomposition, and the air fan provides oxygen for the heating catalytic decomposition process and helps cool a catalyst after the process is completed at the same time; finally, the contaminants to be treated enters the spray tower to be further purified, and accordingly, the tail gas treatment process is completed By means of the thermal desorption tail gas treatment system, continuous non-stop treatment of the exhaust gas is realized, the two catalytic reactors operate ingeniously in parallel at the same time to perform 'adsorption-heating catalytic decomposition' alternately, energy consumption is reduced while the organic contaminates are effectively treated, and energy and extra space are saved

Spray tower tray reactor, and system and technology for producing propylene glycol monomethyl ether through using reactor

Abstract: The invention provides a spray tower tray reactor, and a system and a technology for producing propylene glycol monomethyl ether through using the reactor. The spray tower tray reactor comprises a reactor body, and a cavity is arranged in the reactor body; the top of the reactor body is provided with a first material inlet, the sidewall of the reactor body is provided with a second material inlet, and the bottom of the reactor body is provided with a material outlet; and an atomizing nozzle cooperating with the first material inlet, and a first distributor, a second distributor, a multistage tower tray, a liquid collector and a third distributor which cooperate with the second material inlet are sequentially arranged in the cavity from top to bottom. The system comprises the spray tower tray reactor. When the spray tower tray reactor is used to produce the propylene glycol monomethyl ether, the epoxy propane conversion rate is improved, the propylene glycol monomethyl ether selectivity is improved, the alcohol proportion is reduced, and the production efficiency is improved.

Desulfurizing spray tower

Abstract: The utility model provides a desulfurizing spray tower, the base is cube platelike structure, the tower body is installed to the upper end of base, tower body upper end position is equipped with sealed lid, the left intermediate position of tower body is equipped with the inlet tube, the side position at the tower body is installed to the visual window, the inside upper end rigidity of tower body has the active carbon adsorption board, the lower extreme of active carbon adsorption board is installed and is sprayed the frame, it sprays the pole to spray the shelf location, realize absorbing the processing to the sulphide in the waste gas through the three frame that sprays of the inside interpolation of the spray column traditional, the design of board of removing dust in addition then is convenient for keep apart the dust in the waste gas, and add the fan on traditional spray column, and then be convenient for air through the external world sulphide content in with waste gas and dilute, the interpolation of visual window is then be convenient for the staff and observe the condition of tower body inside, the design of filtering ponds and filter then is convenient for filter the debris in the waste water, and then the condition that prevents plug the pipe appears

Efficient spray tower using ellipse optical focus property

Abstract: The invention relates to an efficient spray tower The efficient spray tower comprises a tower body, a gas inlet, a gas outlet, a water outlet pipe, water inlet pipes and spray heads The spray heads are all-dimensional spraying ellipsoid inner wall reflective focusing type spray heads Each spray head comprises a nozzle, an ellipsoid reflecting wall, a first focal point and a second focal point Each ellipsoid reflecting wall is provided with two focal points altogether, namely one first focal point and one second focal point Each nozzle is arranged at the position of the corresponding first focal point and communicates with the corresponding water inlet pipe By the adoption of the efficient spray tower, the problems that space cannot be evenly filled with water columns ejected after existing spray heads are abraded, spraying dead angles exist, and spraying efficiency is lowered are solved

Device and method for treating organic waste gas generated in recycling process of power lithium battery

Abstract: The invention provides a device and method for treating organic waste gas generated in the recycling process of a power lithium battery and relates to the technical field of battery waste gas treatment. The device comprises an alkali liquor spray tower with the lower portion provided with a waste gas inlet and the top provided with a waste gas outlet, and a condenser connected with the waste gas outlet. The waste gas inlet is connected with a cyclone separator for separating a gas phase and a solid phase in the organic gas. The condenser is connected with an active carbon storage tank I and an active carbon storage tank II for adsorbing the waste gas through pipelines. The active carbon storage tank I and the active carbon storage tank II are connected in parallel and then sequentially connected with a filter, a vacuum pump and a gas-water separation tank through pipelines. The gas-water separation tank is connected with the condenser. The device for treating the waste gas includes the steps of gas dust removal, alkali liquor spray washing, gas condensation and pressure swing adsorption. The device and method save energy, and are economical, simple in process and high in purification efficiency.

Efficient wet denitration method and device thereof

Abstract: The invention discloses an efficient wet denitration method and a device thereof The method comprises the steps of mixing water solution containing 3-10% of NaOH and ethylenediamine with a complexing agent with a cobalt weight ratio of (15-3):1, a denitration agent and a catalyst, so as to obtain a denitration combined agent, introducing oxygen for activation, then introducing the denitration combined agent from the upper part of a spray tower into the spray tower through a pipeline, and introducing to-be-denitrated smoke from the lower part of the spray tower into the spray tower through a fan, wherein the denitration combined agent and the to-be-denitrated smoke contact and react with each other for denitration The method is simple, efficient and environmentally friendly

Wet compound fertilizer tail gas dust removing device

Abstract: The invention discloses a wet compound fertilizer tail gas dust removing device which is characterized by comprising a spraying tower, wherein an internal diameter reducing section for increasing the gas flow speed is arranged on the spraying tower; a gas inlet tube used for discharging to-be-treated tail gas into the spray tower is arranged under the internal diameter reducing section; a spraying device for spraying water into the spraying tower is arranged above the internal diameter reducing section. The wet compound fertilizer tail gas dust removing device disclosed by the invention has the benefits that when the tail gas in the gas inlet tube enters the spraying tower and then flows to the internal diameter reducing section upwardly, the speed is increased to form high-speed gas flow; the high-speed gas flow is collided with the spraying water, so that the water is atomized and fully mixed; dust particles in the tail gas are mutually collided with liquid drops to form large particles, and the large particles fall into the bottom of the spraying tower under the action of force of gravity to be removed; as the running operations of the spraying water and the tail gas are opposite to form convection, the dust removal effect is better than that of a traditional Venturi dust remover; as the gas flow speed is high, the dust removal effect is better than that of a traditional spraying tower.

Paint spray room waste gas treating device

Abstract: The invention relates to a paint spray room waste gas treating device, and belongs to the technical field of waste gas treating. The paint spray room waste gas treating device comprises a spray tower, a demisting device, an activated carbon adsorption device, a fan and a chimney which are connected in sequence by pipelines; paint spray room waste gas enters from a gas inlet of the spray tower, and passes through the spray tower, the demisting device, and the activated carbon adsorption device for purification treatment, and after meeting the standard, the waste gas is discharged from the chimney. The paint spray room waste gas treating device can be used for removing paint mist completely and has a good adsorption purifying effect on the waste gas.

Waste aluminum processing device with dust removal function

Abstract: The invention discloses a waste aluminum processing device with a dust removal function. The waste aluminum processing device comprises a melting furnace (1) and a thermal insulation barrel (5). The melting furnace (1) is covered by a smoke cover (2), the smoke cover (2) is connected to a gas conveying pipe (3), the thermal insulation barrel (5) comprises an outer layer (51) and an inner layer (52), the melting furnace (1) is communicated with the inner layer (52) through a communication pipe (4), the gas conveying pipe (3) is residual on the outer wall of the inner layer (52), the tail end of the gas conveying pipe (3) is connected to an air inlet of a gas pump (6), an air outlet of the gas pump (6) is connected to an air inlet at the lower end of a spray tower (7) and a spray head (73), a water pump (72) and a water tank (71) are arranged in the spray tower (7) from top to bottom. The waste aluminum processing device with a dust removal function can effectively treat the exhaust gas generated by the impurity combustion in the waste aluminum recovery process and can effectively utilize the thermal energy in the waste gas.

Device and method for achieving photo-assisted electrochemical catalytic oxidation of oil fumes

Abstract: The invention discloses a device and method for achieving photo-assisted electrochemical catalytic oxidation of oil fumes. The device comprises a spray tower shell and an electrolyte circulating system; a fume inlet is formed in the bottom of the spray tower shell, a fume outlet is formed in the top of the spray tower shell, and an ultraviolet lamp and a quartz tube are fixed in the spray tower shell; the electrolyte circulating system comprises an electrolysis reactor, a circulating pump, a material supplementary box and a plurality of spray heads, the electrolysis reactor comprises a positive electrode plate and a negative electrode plate, and a power supply system is connected to the electrolysis reactor and supplies power to the electrolysis reactor; the spray heads are arranged on the top inside the spray tower shell and connected with the electrolysis reactor through a pipeline; the circulating pump is arranged on the pipeline for connecting the electrolysis reactor with the spray heads; the material supplementary box is provided with a feed port and used for supplementing a raw material sodium chloride, and an outlet of the material supplementary box is connected with a pipeline for connecting the electrolysis reactor and the circulating pump. The device has the advantages of being simple in structure, cheap in raw material, low in energy consumption, long in material replacement cycle, free of pollution to the environment and the like.

Wet-method chemical catalytic oxidation treatment method for processing VOCs organic exhaust gas and application thereof

Abstract: The invention discloses a wet-method chemical catalytic oxidation treatment method for processing VOCs organic exhaust gas and an application thereof. The method comprises the following steps: 1) a heterogeneous phase catalyst layer, a mass transfer filler layer, a spray layer, a demisting layer and an exhaust layer are arranged in a spray tower from down to up, an oxidation groove is connected at the bottom of the spray tower, the oxidation groove is filled with a circulation solution; and 2) VOCs organic exhaust gas is sent from the bottom of the spray tower, the VOCs organic exhaust gas passes through the heterogeneous phase catalyst layer and the mass transfer filter layer from the bottom of the spray tower, an organic substance in the VOCs organic exhaust gas is subjected to an oxidation reaction with an oxidizing agent and a solubiliser sprayed by a nozzle under the catalysis effect of the heterogeneous phase catalyst, the VOCs organic exhaust gas after oxidizing reaction passes through the demisting layer and the exhaust zone, and high-altitude discharge is carried out. Compared with an active carbon adsorption technology, the secondary pollution problem is existed; the reaction speed is fast, the organic substance in the exhaust gas can be reacted in dozens of milliseconds, and high empty tower flow velocity can be employed.

Device and method for simultaneously removing ship tail gas NOx and SO2 through novel spray tower

Abstract: The invention relates to a device and method for simultaneously removing ship tail gas NOx and SO2 through a novel spray tower. By using sea water as a solvent, activator and desulfurization absorbent, NO gas in NOx gas is finally removed in the form of N2 through a technology combining a sodium persulfate advanced oxidation method and a urea reduction method, thereby realizing desulfurization and denitrification integrated treatment of the ship tail gas; and by utilizing waste heat from the flue gas, the activation of reaction reagents and the concentration and refining of a waste liquid are performed. According to the invention, a desulfurization/denitrification reactor using the novel spray washing tower 11 with a small-hole gas distribution plate 12 as a main body is used, the average amplitudes of the velocity gradient and the pressure produced by the flowing of a fluid in the novel spray washing tower 11 are increased, the shearing force field is stronger, and the pulse is more violent, thereby being more beneficial to internal turbulent mixing. The small-hole gas distribution plate 12 can effectively strengthen gas-liquid contact in an impinging stream reaction region 24, so that escaping liquid drops of reagents are effectively collected for utilization, thereby improving the whole reaction effect and the utilization ratio of the treatment reagents.

Multi -functional spraying shaping tower can be debugged in special use of production low molecular weight polyethylene

Abstract: In order to overcome not enough that current technique exists, the utility model provides a multi -functional spraying shaping tower can be debugged in special use of production low molecular weight polyethylene, the utility model discloses a tower body, exhaust hole, atomizer, mobile device, controller, baffle, gas spouting mechanism, circulating pump, water pipe, hose, toughened glass, the atomizing was more comprehensive, more abundant in this multi -functional spraying shaping tower can be debugged in special use of production low molecular weight polyethylene made tower, the great improvement of performance of spray tower, and can have the practicality more to the monitoring of the reaction circumstances clearance in the tower.

Device and method for catalytically degrading VOCs under synergic actions of liquid absorption and ultraviolet light

Abstract: The invention discloses a device and method for catalytically degrading VOCs under synergic actions of liquid absorption and ultraviolet light The method comprises the following steps: a VOC gas is absorbed by an absorption solution in a spray tower, discharged from the bottom of the spray tower and conveyed to a photocatalytic device provided with ultraviolet lamp tubes and a catalyst nano titanium dioxide; after being subjected to ultraviolet degradation under the catalytic action of the nano titanium dioxide, the VOCs are decomposed into carbon dioxide and water, the mixed solution discharged out of the photocatalytic device is separated through a membrane separation device to obtain a titanium dioxide concentrated solution and an absorption solution, the absorption solution is conveyed to the spray tower for reutilization, and the titanium dioxide concentrated solution flows back to the photocatalytic device The method is simple, and has the advantages of no secondary pollution and very high removal rate for VOCs; and the treatment effect is less affected by the outside The absorption solution obtained after the absorption is recycled, so the operation and treatment cost is low The method does not have the problem of environment pollution caused by the discharge of the absorption solution The device disclosed by the invention has the advantages of simple structure and low cost

Heat recovery system and method for exhaust air of organic particle matters

Abstract: The invention provides a heat recovery system for exhaust air of organic particle matters The heat recovery system comprises a spray tower, a heat exchanger, a detection unit for detecting the content of microorganisms, and a control unit, wherein a hot well pool connected with the heat exchanger is arranged in the spray tower; an air inlet is formed in a side wall of the spray tower; an exhaust opening is formed in the upper end of the spray tower; heat exchange nozzles connected with the heat exchanger are arranged between the air inlet and the exhaust opening; washing nozzles are arranged above the heat exchange nozzles; the detection unit, the heat exchange nozzles and the washing nozzles are separately connected with the control unit; and the control unit is used for controlling the opening and the closing of the heat exchange nozzles and the washing nozzles The invention further provides a heat recovery method for exhaust air of organic particle matters The heat recovery method comprises the steps of: closing the heat exchange nozzles and a circulating pump, and introducing hot air through the air inlet for sterilization; after a set period, starting the circulating pump and the heat exchange nozzles, and detecting the content of the microorganisms; and if the content of the microorganisms exceeds the standard, repeating hot-air sterilization Through the adoption of the heat recovery system provided by the invention, the heat of exhaust air of the organic particle matters can be efficiently recovered, and the microorganisms can be cleared up, so that the service life is prolonged

Spray liquid treatment system

Abstract: The invention discloses a spray liquid treatment system. The spray liquid treatment system comprises a spray tower main body, a circulating water pump, a circulating water inlet pipe, a circulating water outlet pipe, a spray head, a spray liquid supplementary device, and an electromagnetic fluid treatment device used for generating a variable frequency direct current pulse electromagnetic field; a spray chamber is arranged in the spray tower main body; the circulating water pump is arranged outside the spray tower main body; a first end of the circulating water inlet pipe is designed to stretch to the bottom of the spray chamber through a lower end opening of the spray tower main body; a second end of the circulating water inlet pipe is connected with a water inlet end of the circulating water pump; a water outlet end of the circulating water pump is connected with a first end of the circulating water outlet pipe via the electromagnetic fluid treatment device; a second end of the circulating water outlet pipe is designed to stretch to the top of the spray tower chamber through an upper end opening of the spray tower main body; the spray head is arranged on the second end of the circulating water outlet pipe; the spray liquid supplementary device is connected with the water outlet end of the circulating water pump. The above structure is capable of reducing discharge of waste gas and gas with pungent smell, and reducing modification cost greatly at the same time.

Energy -efficient spray tower

Abstract: The utility model provides a reasonable in design, simple structure's the mud drying efficiency that can effectively improve avoids the nozzle to take place the energy -efficient spray tower who blocks up with the quality simultaneously. The utility model discloses a drying tower (1), be provided with annular mud spray gun group in tower body (1), annular mud spray gun group with is the distance range of drying tower (1) bottom 2 3 rice, annular mud spray gun group includes half left annular spraying rifle (21) and half right annular spraying rifle (22), a left side half annular spraying rifle (21) and establish half annular spraying rifle (22) on right side symmetrical ring respectively on the inner wall of drying tower (1), a left side half annular spraying rifle (21) the nozzle and the nozzle on the right side half annular spraying rifle (22) is all aimed at the inner wall at the top of drying tower (1), the top of drying tower (1) still is provided with temperature sensor (3). The utility model is suitable for a pottery brick processing production field.

Method and device for simultaneously removing carbonyl sulfide and carbon disulfide

Abstract: The invention discloses a method and a device for simultaneously removing carbonyl sulfide and carbon disulfide. The device which is a desulfurization device comprises a heat exchange system, an assistant catalysis system, a continuous operation system, a catalyst regeneration system and the like. The heat exchange system comprises a cooling tower and fixed-bed reaction towers, the assistant catalysis system comprises a stripping tower, a spray tower and a communication pipe, the continuous operation system comprises the two fixed-bed reaction towers, and the catalyst regeneration system comprises the heat exchange system and a regeneration spray system. The method and the device have the advantages that the method is high in desulfurization efficiency, heat from high-temperature flue gas can be effectively utilized, dilute sulfuric acid which is a product can be recycled, and accordingly the catalytic reaction efficiency can be improved; the double reaction towers are respectively positioned at a catalytic reaction stage and a catalyst regeneration stage and can be switched over by the aid of electromagnetic valves in a timed manner, and accordingly continuous operation of the systems can be guaranteed; elemental sulfur on the surfaces of deactivated catalysts can be transferred into liquid phases in regeneration procedures and is convenient to extract in follow-up procedures, and the device is high in integration level and automation degree.

Method and device for conducting organic solid waste treatment with circulating fluidized bed

Abstract: The invention discloses a method and device for conducting organic solid waste treatment with a circulating fluidized bed. According to the method, organic solid waste is added into a combustion chamber from a fuel bin to be fully combusted, fly ash generated through combustion enters a cyclone separator along with wind, and the organic solid waste returns to the combustion chamber through material return valve for recycled combustion; flue gas generated through combustion generates steam through a heat exchanger, the hot flue gas passing through the heat exchanger enters activated carbon towers and then passes through a spray tower and an activated carbon adsorption tower in sequence to be treated, and the treated tail gas is discharged after reaching the standard. According to the method and device, the organic solid waste is combusted and treated through the circulating fluidized bed, combustion efficiency is high, the pollutant content in the flue gas is low, and waste gas is purified and discharged after reaching the standard, so that recycled utilization of the solid waste is achieved, and energy is also recycled; the device used for the technique is simple in structure, energy utilization efficiency is high, the operation cost is low, no secondary pollution is caused, and better economic and environmental protection benefits are achieved.

Spray tower for cavityless casting

Abstract: The invention specifically relates to a spray tower for cavityless casting. The spray tower comprises a spray tower body, wherein the spray tower body is provided with a fume outlet, a water storage tank, a spray device, an activated carbon layer and a fume inlet; a refractory cotton layer is arranged below the fume inlet; the upper end and the lower end of the refractory cotton layer are respectively provided with mesh screen plates; the mesh screen plates are fixedly connected with the spray tower body; a water collection plate is arranged between the fume inlet and the refractory cotton layer; a connecting pipe is arranged at the lower end of the water collection plate; the connecting pipe is provided with an electrically operated valve; a liquid level sensor is arranged below the connecting pipe; the liquid level sensor is connected with an automatic control cabinet; the automatic control cabinet is respectively connected with the electrically operated valve and an air compressor; and the air compressor is connected with a compressed air inlet on the spray tower body through a communicating pipe. The refractory cotton layer is arranged in the spray tower, so that sewage formed by mixing fume and water can be sufficiently filtered and purified, and zero-pollution emission of the sewage is realized, thereby avoiding environmental pollution.