1648 results about "Spray tower" patented technology

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas spray tower device for waste gas treatment, which comprises a tower body and a liquid tank, the circumferential surface of the rear end of the tower body is fixedly connected with a gas inlet pipe, the circumferential surface of the right end of the tower body is provided with a plurality of material holes, and the liquid inlet end of a water pump is fixedly connected with a liquid inlet pipe. The upper ends of the plurality of latticed carrying plates are connected with push plates through driving mechanisms, the bottom ends of the plurality of flow dividing shells are fixedly connected with a plurality of atomizing nozzles, the plurality of connecting pipes extend rightwards into the tower body and are fixedly connected with the plurality of flow dividing shells, and the plurality of flow dividing shells are located at the right upper ends of the corresponding push plates. According to the utility model, the driving mechanism is controlled to operate to simultaneously drive the plurality of push plates to rotate, at the moment, the filler positioned on the latticed loading plate is pushed by the push plates, and under the action of the push plates, the filler positioned deep in the tower body can be driven to gradually get close to the maintenance channel; and therefore, a worker can take out and replace the filler in the tower body more conveniently.

The invention relates to the technical field of spray towers, and discloses a spray tower for a tail gas treatment system, the spray tower comprises a tower body, a circulating water tank is fixedly arranged at the bottom of the tower body, a gas inlet end is fixedly arranged on the lower side wall of the tower body, a plurality of layers of pore plates are fixedly arranged in the tower body, and a filler layer is fixedly arranged above the pore plates. An air outlet end is fixedly arranged at the top end of the tower body, a filtering assembly is fixedly arranged in the circulating water tank and comprises an air inlet pipe, the top end of the air inlet pipe is fixedly connected with the top end of the tower body, and the bottom end of the air inlet pipe penetrates through the circulating water tank and is fixedly connected with a first cylinder; and a barrel II is slidably connected to the interior of the barrel I. Impurities in washing liquid are filtered through the filter screen, the cyclic utilization effect is achieved, the filter screen is backwashed through pushing force generated when filtered gas in the tower body flows, the impurities are carried and discharged through the blow-off pipe, and the automatic cleaning effect is achieved.

The invention discloses waste gas treatment equipment based on environment-friendly construction, and relates to the technical field of waste gas treatment, the waste gas treatment equipment comprises a spray tower, and further comprises a spray mechanism; the filling mechanism comprises a shell, two pore plates slidably connected to the interior of the shell and a plurality of fillers arranged at the tops of the pore plates, and a plurality of through grooves are formed in the top of the shell; the adjusting mechanism is used for driving the shell to rotate within a set angle; by continuously changing the contact angle of the filler and the gas-liquid and realizing the dynamic contact of the filler and the gas-liquid, the problem that the static filler easily forms a scaling area due to non-uniform liquid distribution is solved, the problem of liquid coverage difference caused by non-uniform spray head distribution or local blockage is solved, the space for placing the filler is increased, and the stability of the filler is improved. Then the filler is driven to turn over back and forth at the top of the pore plate, the filler rubs and collides with each other, the cleaning agent is sprayed to the filler, dirt on the filler is cleaned, and the problem that in the prior art, a filler layer needs to be removed from the interior of the spray tower to be cleaned is solved.

The invention discloses a waste gas washing spray tower with an anti-corrosion structure, and relates to the technical field of waste gas treatment.The waste gas washing spray tower comprises a tower body, a liquid storage tank formed in the tower body, a gas inlet pipe installed on the side wall of one side of the tower body and a gas outlet pipe installed at the top of the tower body; spraying assemblies are mounted in the tower body above the two filler purification assemblies, a demister is mounted on the inner wall of the tower body below the gas outlet pipe, and an anti-corrosion lining is laid on the inner wall of the tower body. By arranging the filler purification assembly, the effect that blocked filler can be automatically discharged from the rectangular grid during cleaning is achieved, manual scraping is not needed, the labor burden of workers is reduced, and the speed of taking the filler out of the spray tower is increased; and by arranging the traction mechanism, the effect that the traction rope pulls and drives the two filler purification assemblies to synchronously turn over is achieved, and simultaneous discharging of filler in the two filler purification assemblies is facilitated.

The invention discloses a waste gas treatment device for a chemical plant, and belongs to the technical field of waste gas treatment. In order to solve the problem that filler balls in a filler layer are difficult to orderly adjust in the prior art, the technical scheme is provided as follows: the device comprises a spray tower and a circulating water tank arranged at the bottom end of the spray tower, and a circulating water pump used for circulating flow of treatment liquid is mounted at the top of the circulating water tank. The waste gas treatment unit is arranged in the spray tower, and an inner sleeve in the filler layer mechanism drives a paving plate to move under the action of the driving mechanism, so that filler balls arranged in the filler layer mechanism are disturbed, the filler balls are efficiently and comprehensively rearranged in the filler layer mechanism; the adjusting piece is driven to move in the moving process of the inner sleeve, so that the hollow cover is extruded, reciprocating motion of the knocking piece is achieved under the action of the reset spring, rearrangement of the filler ball in the filler layer mechanism is assisted under the action of the knocking piece, and cleaning of impurities is accelerated.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a coking waste gas treatment device which comprises a pretreatment box, an acid liquor spray tower, an alkali liquor spray tower, a condensation filter box, an adsorption box and a combustion discharge chamber, and is characterized in that a filter part I and a filter part II are arranged in the pretreatment box, and a spiral pipe is fixedly mounted in the pretreatment box; a rotary liquid spraying mechanism for preliminarily removing waste gas impurities is arranged in the pretreatment box, and an anti-blocking mechanism is arranged below the rotary liquid spraying mechanism. According to the coking waste gas treatment device, the rotary liquid spraying mechanism and the spiral pipe are arranged in the pretreatment box, and the motor drives the rotating shaft to rotate, so that water in the water sump is sprayed out through the water spraying opening and cooperates with rotation of the rotating shaft to flush waste gas impurities. Waste gas enters the spiral pipe in a spiral mode, impurities are easily thrown out under the action of centrifugal force after being condensed when meeting water, and the removal efficiency of the impurities in the waste gas is greatly improved through the filtering action of the first filtering piece and the second filtering piece.

The invention discloses a spray tower for producing diphenyl azide phosphate, and relates to the technical field of spray towers, the spray tower comprises a tower body, the bottom of the side end of the tower body is provided with a gas inlet pipe, the top of the tower body is provided with a gas outlet pipe, the inner wall of the tower body is fixedly provided with a circular plate and a connecting ring, the connecting ring is located above the circular plate, and the circular plate is fixedly connected with the gas outlet pipe. A circular frame is arranged between the circular plate and the connecting ring, through holes are formed in the circumference of the surface of the circular plate at equal intervals, the circular frame comprises a plurality of circular rings and fixing pieces, the circular rings are distributed in a concentric circle mode, and the circular rings are fixedly connected through the fixing pieces. According to the invention, by cooperatively adjusting the opening degree of the gas outlet pipe, the gaps of the through holes of the circular plate and the gaps of the diffusion ports of the fan-shaped assembly, the gas-liquid flowing and reaction conditions in the spray tower can be accurately controlled, so that the waste gas and the spray liquid are fully contacted and reacted, and the waste gas treatment efficiency and quality in the production process of diphenyl azido phosphate are improved.

The invention relates to the technical field of waste gas treatment, in particular to a spray tower for waste gas treatment. Comprising a spray tower, a filter plate, a pipeline and spray headers, the filter plate is mounted in the spray tower, the pipeline is arranged on the spray tower, the spray headers are mounted on the pipeline at intervals, the spray headers are located on the inner side of the spray tower, material holes are formed in the spray tower, a rotating mechanism is arranged on the filter plate, and connecting plates are arranged on the rotating mechanism at intervals. The rotating mechanism is used for driving the connecting plate to rotate, a movable plate is arranged on the connecting plate in a sliding mode, a rubber plate is connected to the movable plate, and a pulling mechanism and a reset mechanism are arranged on the connecting plate. By integrating the rotating mechanism, the connecting plate, the movable plate, the rubber plate, the pulling mechanism, the reset mechanism and other assemblies, filling materials in the spray tower can be automatically fed and discharged, automatic replacement of a filling layer in the spray tower is achieved, the replacement efficiency is improved, the requirement for manual intervention is reduced, and the labor intensity of workers is reduced. And the downtime and the labor cost are reduced.

Provided is a low-temperature adsorption system for flue gas, comprising a spray tower (1) and an adsorption tower (2) which are connected to each other, wherein the spray tower (1) has multiple-stage spray chambers, a spray assembly is correspondingly provided in each spray chamber and is configured to spray a spray liquid so as to cool down flue gas in the spray chamber, and the flue gas is cooled to below room temperature in the spray tower (1), and is then conveyed to the adsorption tower (2), thereby avoiding the problem that a conveying pipeline is blocked because moisture in the flue gas condenses into ice. The adsorption tower has an adsorption chamber (204) and a heat exchange chamber (202), an adsorbent (2042) is provided in the adsorption chamber (204), and the heat exchange chamber (202) is configured to continuously introduce a cooling liquid so as to indirectly cool both the flue gas and the adsorbent (2042), such that adsorption and purification of the flue gas are performed in a subzero-temperature zone, and the cooling liquid after heat exchange is supplied to any one-stage spray assembly as the spray liquid sprayed by the spray assembly.

The invention relates to the technical field of spray towers, and provides a spray washing device for chemical waste gas purification, the spray washing device comprises a tower body, a spray bin, a waste gas uniform distribution mechanism, a filler bin and a stirring mechanism, the tower body is cylindrical, the bottom of the tower body is provided with a gas supply bin, the spray bin is arranged on the tower body, the spray bin is arranged above the gas supply bin, and the stirring mechanism is arranged above the gas supply bin. The waste gas uniform distribution mechanism is fixedly connected with the tower body, the waste gas uniform distribution mechanism is arranged in the gas supply bin and the spraying bin, the waste gas uniform distribution mechanism is used for enabling waste gas to uniformly rise in the spraying bin, the multiple filler bins are arranged above the spraying bin, the filler bins are filled with filler, each filler bin is internally provided with one stirring mechanism, and the stirring mechanisms are used for stirring the waste gas uniformly in the spraying bin. By means of the technical scheme, the problem that in the prior art, an existing spraying washing device is prone to insufficient waste gas treatment is solved.

The invention discloses activated carbon adsorption and desorption catalytic combustion equipment, and belongs to the field of waste gas treatment. The activated carbon adsorption and desorption catalytic combustion equipment comprises a spray tower, a dry filter, a catalytic combustion furnace, a heat exchange mechanism, an exhaust fan and a discharge pipe, an air inlet pipe is arranged at the air inlet end of the spray tower, and a first connecting pipe is arranged between the air outlet end of the spray tower and the air inlet end of the dry filter; the air inlet end of the air exhaust fan is provided with an air exhaust pipe, and the air exhaust end of the dry filter is provided with a second connecting pipe; the first gas inlet pipe is arranged at one end of the adsorption tower, and the first gas inlet pipe is communicated with the second connecting pipe; the catalytic efficiency of desorbed organic matters is effectively improved, meanwhile, small-particle dust is effectively prevented from being attached to the main activated carbon plate to affect the adsorption effect and the desorption effect, and waste gas is effectively prevented from being exhausted into the atmosphere to pollute the air.

The invention relates to the technical field of waste gas multi-stage spraying treatment, and discloses a printing and dyeing setting machine waste gas multi-stage spraying treatment device which comprises a spraying tower, the outer wall of the spraying tower is fixedly connected with three conveying pipes, one end of each conveying pipe is fixedly connected with a flow dividing pipe, the interior of each flow dividing pipe is fixedly connected with an atomization spray head, and the atomization spray heads are fixedly connected with the spraying tower. A gas inlet pipe is fixedly connected to the bottom of the spray tower, cooling fins are fixedly connected to the middle of the inner wall of the spray tower, and a filtering assembly is arranged on the inner wall of the spray tower and used for filtering impurities in waste gas. According to the waste gas treatment device, the problems that a spraying treatment device is insufficient in gas-liquid contact time, waste gas distribution is uneven, sufficient combination and cooling are difficult, and the treatment effect is poor are solved, waste gas is evenly distributed, atomized water can make sufficient contact, pollutants are more efficiently adsorbed, dissolved or chemically reacted, and the removal effect is improved.

The invention discloses an efficient spraying device for waste gas treatment, and relates to the technical field of waste gas treatment, the efficient spraying device comprises a spraying tower and a spraying assembly, and further comprises an activated carbon replacing mechanism arranged on the spraying tower and used for replacing saturated activated carbon in the spraying tower, the activated carbon replacement mechanism comprises a feeding assembly for adding activated carbon, an anti-accumulation assembly for preventing the activated carbon from being accumulated together in the adding process, and an activated carbon cleaning assembly for cleaning the saturated activated carbon after replacement out of the spray tower. New activated carbon in the activated carbon storage box is conveyed into the activated carbon placement groove through the auger conveying screw rod, so that on the premise of not interrupting the waste gas treatment process, the saturated activated carbon is quickly replaced, the time and steps required for replacing the activated carbon are remarkably reduced, the continuity and efficiency of overall waste gas treatment are improved, and the waste gas treatment efficiency is improved. And waste gas treatment interruption caused by replacement of activated carbon due to shutdown is effectively avoided.

The present application relates to waste gas treatment technical field, specifically for a kind of foul smell tail gas treatment device for disposal of sick and dead animals, including the spray tower being arranged on rack, filter mechanism for purifying spray water being arranged inside the spray tower and flushing mechanism for washing filler ball being arranged on the rack, the spray tower includes the tower shell assembly being arranged on the rack, spray assembly being arranged inside the tower shell assembly and filling assembly for dynamically distributing filler ball being arranged inside the tower shell assembly;The present application can dynamically layout filler ball, change the flow path of tail gas upwards, increase the residence time of tail gas, increase the reaction contact surface of filler ball and tail gas, ensure that tail gas can fully react with spray water, improve the purification efficiency of tail gas, solve the technical problem that hollow ball filler in the interior of traditional spray tower is static placed, leading to lower tail gas purification efficiency.

The invention provides chemical waste gas recovery and purification treatment equipment, and relates to the technical field of waste gas treatment.The chemical waste gas recovery and purification treatment equipment comprises a spraying tower, a spraying plate is fixed to the top of the spraying tower, a flow dividing assembly is arranged at the bottom of the spraying tower, the flow dividing assembly comprises a chassis, and the chassis is rotationally installed on the spraying tower; four groups of air cylinders are arranged at the top of the base plate at equal intervals, an upper plate is arranged at the tops of the air cylinders, a water outlet is formed in the bottom, corresponding to one group of air cylinders, of the base plate, and a notch is formed in the top, corresponding to one group of air cylinders, of the upper plate. The solution flows back into the gas cylinder, the newly entering waste gas is subjected to preliminary neutralization treatment, so that the subsequent secondary neutralization treatment effect is improved, the utilization rate of the neutralization solution is increased, and the discharged waste gas is dried through the drying assembly to ensure that the subsequent activated carbon adsorption effect is not influenced.

The utility model discloses a flash evaporation compression waste heat recovery system suitable for industrial waste liquid, belongs to the technical field of waste heat recovery of industrial waste liquid, and particularly relates to waste heat recovery from a waste water heat source with a high-pollution medium. The problem that in the prior art, in the field of industrial waste liquid waste heat, especially in the field of waste heat recovery of water for heat compensation of heating return water or process water, a reasonable waste heat recovery and waste water recycling mode is lacked so that consumption of energy, water resources and operation cost can be reduced is solved. The system comprises a flash tank; a flash evaporation steam outlet of the flash evaporation tank is communicated with a gas inlet of the compressor through a flash evaporation steam pipe; and a gas outlet of the compressor is communicated with a steam inlet of the spray tower. The flash evaporation compression waste heat recovery system suitable for the industrial waste liquid is suitable for recovering waste heat of the industrial waste liquid.

The invention discloses an arsenic removal method for purifying waste acid, and belongs to the technical field of sulfuric acid preparation. The method comprises the following steps: settling wastewater, and carrying out filter pressing on slurry through a first filter press; in the first-stage reaction tank, the waste acid reacts with a desulfurizing agent from a sodium hydrosulfide preparation tank, and after the reaction is completed, the waste acid is sent to a first-stage FBL filter to be filtered; in the second-stage reaction tank, the waste acid reacts with a desulfurizing agent from the sodium hydrosulfide preparation tank, and after the reaction is completed, the waste acid is sent to a second-stage FBL filter to be filtered; the filtrate of the second-stage FBL filter is sent to a dynamic wave scrubber for recycling; a flocculating agent is added into the first-stage FBL filter and the second-stage FBL filter; tail gas of the first-stage reaction tank, the first-stage FBL filter, the second-stage reaction tank, the first-stage FBL filter and the sodium hydrosulfide preparation tank is sent to a spray tower, washing liquid containing sodium hydrosulfide and sodium sulfide in the spray tower is sent to the sodium hydrosulfide preparation tank, and sodium hydrosulfide solids are added into the sodium hydrosulfide preparation tank.

The utility model provides an n-hexane recovery system for a grain and oil leaching workshop, which comprises an oil mist purification spray tower, a heat exchanger, a first adsorption tower, a second adsorption tower, a third adsorption tower, a condenser, an oil-water separator, an n-hexane delivery pump and a negative pressure fan, the oil mist purification spray tower comprises a demisting section, an upper supporting grid plate, an upper spraying section, a middle supporting grid plate, a lower spraying section, a bottom supporting grid plate, a liquid collecting section and a spraying device from top to bottom, a gas outlet is formed in the top of the demisting section, a gas inlet is formed in one side of the liquid collecting section, the gas outlet is connected with the heat exchanger, and the spraying device is connected with the heat exchanger. An outlet of the heat exchanger is respectively connected with a first adsorption tower, a second adsorption tower and a third adsorption tower through pipelines, and the connecting bottoms of the first adsorption tower, the second adsorption tower and the third adsorption tower are respectively provided with pipelines connected with a condenser. The system disclosed by the utility model is high in normal hexane recovery rate, can simultaneously and continuously perform adsorption and desorption, can prevent oil mist in waste gas from influencing an adsorbent, and can stably and continuously operate for a long period.

The invention relates to the technical field of carbon dioxide recovery, in particular to a method and a system for recovering carbon dioxide in an alcoholysis process of polyurethane industry, and the method comprises the following steps: acquiring CO2 concentrations at a gas inlet at the bottom of a spray tower, each spray layer and a gas outlet at the top of the spray tower at each moment in each acquisition period; the absorption liquid consumption of each spraying layer in each collection period is measured; calculating a relative change coefficient and a residual deviation value of each acquisition period; determining an absorption deviation value, an overall control deviation, a relative utilization rate and a hierarchical control deviation; the relative control deviation of each spraying layer in each collection period is determined; and adjusting the spraying speed of each spraying layer in the next collection period by combining a PID (Proportion Integration Differentiation) controller, and recovering CO2 generated in the polyurethane alcoholysis process. According to the invention, the phenomena of CO2 absorption residue and absorption liquid resource waste can be effectively avoided, and the absorption efficiency of the spray tower on CO2 in tail gas is improved.

The invention relates to the field of waste gas treatment, and discloses an asphalt smoke treatment device for highway construction, the asphalt smoke treatment device comprises a spray tower body, a filter unit and a spray unit, the filter unit and the spray unit are both located in the spray tower body, and the filter unit can intercept and filter large particles in asphalt smoke entering the spray tower body. The first filter plate mechanism and the second filter plate mechanism are arranged in the spray tower body, double interception of large particles of asphalt smoke is achieved through an interception plate A and an interception plate B, a guide rod is matched to drive an ejector rod on a blockage clearing disc to accurately penetrate through a filter hole for blockage clearing, and a rotating ring slides and rotates along with the guide rod and drives the clearing plate to scrape impurities at the bottom of the interception plate; the power driving equipment controls the filter plate to deflect to assist in impurity falling, so that the problem that the spraying effect is influenced by increased filtering resistance and non-uniform impurity distribution caused by blockage of filter holes in the background art is effectively solved, the airflow circulation efficiency is guaranteed, and stable conditions are provided for subsequent spraying purification.

A process and system for recovering electrolyte and carbon powder from electrolytic aluminum anode carbon residues are characterized in that the electrolytic aluminum anode carbon residues are crushed, dried, ground and sieved, fine powder is sent to a cyclone combustion furnace for combustion, the electrolyte in the carbon residues is molten and then enters an electrolyte melting pool, and the surface of the electrolyte melting pool can be subjected to residue stirring; the bottom of the molten pool is poured with a high-temperature-resistant material and is provided with multiple holes, the molten electrolyte flows out of the holes and enters a rotary jet granulation device, the molten electrolyte is cut into frits with small particle sizes under the gas cutting action of rotary jet, meanwhile, the molten electrolyte is cooled by airflow, and the molten electrolyte is separated from the molten pool; the small frits are further cooled, so that the surfaces of the small frits are completely solidified, the small frits are discharged through a discharge port, and flue gas generated by combustion enters a tail flue, exchanges heat with a heat exchanger, enters a dust remover system for dust removal, then enters an alkali liquor spray tower and a denitration device, and is finally emptied; according to the method, the electrolytic aluminum carbon residues are subjected to resource recycling, and the electrolyte utilization rate is increased.

The invention provides a flying dust management system for composite low-carbon construction. The flying dust management system comprises a multi-source sensing acquisition module, an edge calculation analysis module, a dynamic decision control module, a resource optimization scheduling module and a carbon emission quantitative evaluation module, the multi-source sensing acquisition module completes original data preprocessing and local calibration; the edge calculation and analysis module identifies a main pollution source and generates a concentration distribution thermodynamic diagram; the dynamic decision control module generates an optimal control strategy of the dust suppression equipment; the resource optimization scheduling module optimizes hydroelectric resource distribution, and dynamically schedules fog gun and spray tower equipment combination; and the carbon emission quantitative evaluation module calculates the net carbon emission reduction of the dust suppression measures and generates a low-carbon construction report. According to the invention, turbulence diffusion and fuzzy control are combined to realize predictive dust suppression; double-loop control of edge computing and cloud feedback is adopted, so that communication delay is reduced; and through hydroelectric constraint optimization, the carbon strength of the dust suppression system is reduced.

The dust treatment device comprises a spray tower, a filter box, an intercepting net and a spray pipe, one side of the spray tower is connected with the filter box through a communication port, the top end of one side of the filter box is provided with an air inlet channel, the intercepting net is arranged in the center of the interior of the filter box, and the spray pipe is connected with the filter box through a communication port. A lead screw is arranged at the position, on one side of the intercepting net, in the filtering box, the lead screw is sleeved with a driving block, a cleaning brush is arranged on one side of the driving block, a driving motor is fixed to the top of the filtering box, the output end of the driving motor is connected with the lead screw, and a spraying pipe is arranged at the top end of the interior of the spraying tower. And spray heads are uniformly distributed at the bottom of the spray pipe. By installing the filter box, the spray tower, the air inlet channel, the interception net, the lead screw, the driving motor, the driving block, the cleaning brush and the dust discharging pipe, the dust treatment device can automatically clean the interception net, and the replacement frequency is reduced, so that the dust treatment efficiency is improved.

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.

The utility model discloses a waste gas treatment spraying device which comprises a spraying tower main body, the spraying tower main body comprises a main tower body, the top end of the main tower body is provided with an exhaust port, the bottom end of the main tower body is provided with a liquid discharge pipe, the top end in the main tower body is provided with a uniform spraying disc, and the side surface of the main tower body is provided with a high-pressure pump; by designing the cleaning and dredging mechanism, when dirt is accumulated and attached to the filtering surface of the filtering plate, a motor operates to drive a rotating rod and a driving torsion gear to rotate, the driving torsion gear is rotationally engaged with the surface of a driven torsion gear to drive a rotating shaft and a cleaning brush to rotate, and the cleaning brush stably rotates on the surface of the filtering plate for cleaning treatment; dirt on the surface of the filter plate can be cleaned conveniently, dredging operation is easy, the filter plate can be taken out by opening the tower door when more dirt accumulated on the surface of the filter plate is cleaned, and the dirt can be effectively filtered and spraying liquid can fall quickly during secondary spraying operation.

The invention relates to the technical field of spray towers, in particular to a spray tower for producing 4-methyl-5-hydroxyethylthiazole, which comprises a tower body, an exhaust pipe is arranged at the top of the tower body, a spray pipe is communicated with the upper part of the tower body, a discharge pipe and an air inlet pipe are communicated with the bottom of the tower body, and a filler layer is fixedly mounted at the upper part of the tower body. The packing layer is arranged below the spraying pipe, a motor is fixedly installed at the bottom of the tower body, the output end of the motor penetrates through the bottom of the tower body and is fixedly provided with a round rod, a flattening assembly is further arranged on the round rod and located between the spraying pipe and the packing layer, and a scraping assembly is arranged in the middle of the round rod. In the downward movement process of the lantern ring, the two arc-shaped scrapers can form a circular ring capable of being attached to the inner wall of the tower body, absorption liquid can be pushed downwards by the arc-shaped scrapers, the falling speed is increased, the speed of the absorption liquid falling into the bottom of the tower body is increased, and it is ensured that the absorption liquid can effectively make contact with waste gas; absorption liquid is prevented from remaining on the inner wall to affect normal operation of equipment.

The invention relates to the technical field of industrial waste gas treatment, in particular to a spray tower for industrial waste gas treatment, which comprises a bracket, a tower body mounted on the bracket, an annular gas pipe connected to the lower part of the outer wall of the tower body, gas injection pipes connected to the annular gas pipe at intervals along the circumferential direction and extending into the tower body, a gas inlet pipe connected to the annular gas pipe, and a connecting plate connected to the lower part in the tower body, a connecting plate is rotationally connected to the connecting plate through a rotating shaft, a blocking ring used for blocking the gas injection pipe is connected to the connecting plate, and a gas inlet is formed in the blocking ring. The transmission assembly can be driven by the motor to drive the rotating shaft to intermittently rotate, so that the air inlets in the blocking ring can be sequentially aligned with the four air injection pipes on the annular air pipe, the entering direction of waste gas is automatically switched, and the situation that the waste gas only concentrates at the center or one side of a filler area to flow is avoided; particulate matters in the waste gas are prevented from tending to be attached to the same position of the filler, the risk of local blockage is reduced, the effective area of an airflow channel is increased, and the waste gas treatment efficiency is improved.

The invention relates to the technical field of carbon dioxide trapping, in particular to a two-stage rotating wheel adsorption device and method for trapping carbon dioxide in flue gas, the two-stage rotating wheel adsorption device comprises a spray tower, a refrigerating unit, a dehumidification rotating wheel, a carbon trapping rotating wheel, a multi-stage compressor, a refrigerating and liquefying device, a CO2 storage tank and a flue gas fan, the implementation process of the carbon capture device comprises the steps that flue gas is introduced by a flue gas fan, firstly, the flue gas is cooled and dehumidified through a spray tower and a cooler, then the flue gas is dehumidified through a dehumidification rotating wheel, carbon capture is conducted through a carbon capture rotating wheel, and finally high-purity CO2 liquid is conveyed into a CO2 storage tank through a compressor and a refrigeration liquefaction device. The device has the characteristics of low desorption energy consumption, low gas circulation piezoresistance, continuous process and high heat recovery rate, the concentration of enriched CO2 is increased, the concentration of CO2 in flue gas after the carbon capture runner is relatively low, and the unit CO2 capture energy consumption can be greatly reduced while the CO2 removal rate and the enrichment concentration are ensured.

The invention relates to the technical field of waste gas treatment, in particular to an atmospheric pollution waste gas purification method and system, and the purification effect is improved through concentration sequence analysis and gas-liquid efficiency fitting, dynamic adjustment of a liquid amount strategy, backtracking of a residual concentration generation evaluation window and matching of a thermal response material. According to the invention, through linkage analysis of pollutant concentration data at the outlet of the spray tower and physical parameters such as molecular polarity, spray liquid viscosity and the like, a gas-liquid contact efficiency offset evaluation mechanism based on a time sequence is established, and the ability of sensing the dynamic change of the purification performance is effectively improved. The concentration change trend is refined, so that different pollution fluctuation states are accurately divided, a multi-dimensional slope judgment method is introduced to realize classified induction of the contact efficiency trend, and scientific support is provided for subsequent liquid flow regulation and control. According to the gas-liquid efficiency change characteristics under different fluctuation sections, a dynamic adaptation strategy is set for the liquid amount adjustment direction and amplitude, and regulation and control logic highly coupled with the pollution trend is formed.

The invention discloses a suspended fertilizer production waste gas treatment device, and relates to the technical field of waste gas treatment. The suspended fertilizer production waste gas treatment device comprises a spraying tower shell and further comprises at least one filler assembly, the filler assemblies are arranged in the spraying tower shell in the axial direction, each filler assembly comprises a bottom supporting disc and a top supporting disc located above the bottom supporting disc, and a filler containing space is formed between the bottom supporting disc and the top supporting disc; a plurality of filler balls are stacked in the filler accommodating space; the nozzle is positioned above the top supporting disc and is used for spraying a high-pressure liquid treating agent; the position changing assembly comprises a material pushing steel needle; according to the suspended fertilizer production waste gas treatment device, when a material pushing steel needle rotates, a filler ball in a corresponding area is in a moving state, so that full contact is facilitated; and the use uniformity of each filler ball is improved.