35 results about "Internal circulation reactor" patented technology

The invention relates to adsorption regeneration-photocatalysis advanced oxidation water treatment equipment, which consists of a pipeline static mixer, a water distributor, an aeration pipe, an ultraviolet light source, a membrane component, a vacuum meter, a water outlet pump, an air lift internal circulation reactor and a powder photocatalyst, wherein the aeration pipe, the ultraviolet light source and the membrane component are positioned in the air lift internal circulation reactor; the middle of the air lift internal circulation reactor is provided with an upward circulating flow channel; both sides of the air lift internal circulation reactor are provided with downward circulating pipelines; the bottom of the upward circulating flow channel is connected with the water distributor; the water distributor is connected with the pipeline static mixer; the membrane component is connected with the water outlet pipe through a hose to form a water outlet pipeline; the water outlet pipe is connected with the water outlet pump; water is sucked by the water outlet pump; the vacuum meter is connected in series to the water outlet pipeline; the bottom of each downward circulating pipeline is connected with a return pipe; the return pipe is connected to the front part of the pipeline static mixer; and the powder photocatalyst is suspended in the air lift internal circulation reactor. The water treatment equipment has the advantages of compact structure, mild reaction condition, high reaction efficiency, easiness of maintenance, high drained water quality and strong economic competition, and is suitable for treating various kinds of non-degradable organic matter waste water and hospital sewage and removing non-degradable organic matters remaining in water drained from sewage plants.

The invention discloses an internal circulation reactor and method for continuously preparing phosphorus pentafluoride. The internal circulation reactor comprises a cylinder body with a heat exchange jacket, wherein planar end closures are arranged at the upper and lower ends of the cylinder body, and a concentric inner cylinder body is arranged in the cylinder body; the upper end closure is provided with a mixed gas leading-out pipe; the lower end closure is provided with a three-way gas intake pipe; and a reaction solution eduction pipe and a feed liquid ingress pipe are arranged on the cylinder body. The process of preparing phosphorus pentafluoride comprises the following steps: blowing the reactor with an inert gas; creating a low temperature environment of the reactor with a refrigerant; adding a phosphorous pentachloride solution, anhydrous hydrogen fluoride and the inert gas to the reactor for reaction; and continuously leading out mixed gas containing phosphorus pentafluoride and part of a low-concentration phosphorous pentachloride solution, and at the same time continuously adding a phosphorous pentachloride concentrated solution, anhydrous hydrogen fluoride and the inert gas to realize continuous operation. The internal circulation reactor and method for continuously preparing phosphorus pentafluoride have the advantages that the concentration stability of reactants in the reactor can be maintained, and continuous production and automatic control of phosphorus pentafluoride are realized.

The invention discloses an energy-saving tower-type internal circulation reactor. The energy-saving tower-type internal circulation reactor comprise an inner tower, an outer tower, an entering water distribution pipe and a water producing pipe, the inner tower is arranged in the outer tower, an inner overflow weir is arranged at the top end of the side wall of the inner tower, a cofferdam ring isfixedly connected to the outside of the inner overflow weir, an outer overflow weir is arranged on the side wall, away from the inner tower, of the cofferdam ring, the height of the outer overflow weir is smaller than the height of the inner outer overflow weir, a membrane bio-reactor (MBR) membrane reaction unit is arranged at the upper end in the inner tower, a channel is formed in the lower endin the inner tower, an aerator is arranged in the channel, the aerator is located under the MBR membrane reaction unit, an aerobiotic biological membrane reaction area, an anoxic and anaerobic biological membrane reaction area and a mud sump area are arranged between the outer tower and the inner tower, the aerobiotic biological membrane reaction area is filled with aerobiotic biological fillers,and the anoxic and anaerobic biological membrane reaction area is filled with an anoxic and anaerobic biological filler. According to the energy-saving tower-type internal circulation reactor, underthe premise of ensuring that the water quality of produced water reaches the standard and is stable, operation energy consumption can be significantly reduced, and the construction land is saved.

The invention discloses a domestic sewage treatment system. The system comprises an artificial grill a mechanical grill, an oil-separation and sedimentation tank, a regulation and hydrolysis tank, anair floatation device, an anaerobic internal circulation reactor, an aerobic reaction tank, an intermediate tank, a filtration system, a disinfection device, a sludge thickening tank and a biogas power generation device, the input end of the aerobic reaction tank is connected with a blower, the output end of the aerobic reaction tank is connected with a sludge dewatering tank through the sludge thickening tank, the biogas power generation device includes a desulfurization tower, a gas cabinet and a biogas power generator, and the output end of the anaerobic internal circulation reactor is sequentially connected with the biogas power generator through the desulfurization tower and the gas cabinet. The domestic sewage treatment system has the advantages of simple structure, easiness in use,and realization of good purification of slaughter wastewater; and biogas produced by the anaerobic internal circulation reactor generates power after passing through the desulfurization tower, the gascabinet and the biogas power generator in order to generate a large amount of electric energy, and an electric control system powers the electric devices of the domestic sewage treatment system in order to produce significant economic benefits while treating the wastewater.

The invention discloses a process for treating sulfamide-containing pharmaceutical wastewater. Through pretreatment, microelectrolysis, a regulating reservoir, an IC anaerobic internal circulation reactor, anoxic and aerobic treatment and a biological aerated filter, the speed and the effect of treating the sulfamide-containing pharmaceutical wastewater are improved. The process has the advantages of little investment for treating various kinds of wastewater, small occupation area, good treatment effect and low operation cost, and has remarkable economic benefit and social benefit. The process is suitable for treatment of municipal and domestic wastewater and various kinds of industrial wastewater, is also suitable for treatment of wastewater in rivers and lakes, and has a special treatment effect especially on high-difficulty organic wastewater and high-ammonia nitrogen wastewater which can not be treated by adopting the traditional method.

The invention discloses an environment-friendly horizontal internal circulation stirring reactor. The invention relates to the technical field of internal circulation reactors. The reactor comprises acirculating stirring reactor body, a feeding hole, two supporting seats, a heat conduction oil inlet and a discharging hole are arranged at the bottom of the circulating stirring reactor body; the two supporting seats and the heat conduction oil inlet are arranged between the feeding port and the discharging port. A stirring motor is arranged on one side of the circulating stirring reactor body;and the heat conduction oil outlet and an exhaust port are formed in the top of the circulating stirring reactor body. According to the invention, a gas-liquid separator and a peculiar smell adsorption box are arranged at the exhaust port; liquid in the gas is filtered through the gas-liquid separator, only the gas is exhausted, and a peculiar smell adsorption box adsorbs chemical peculiar smell in the gas, so that the exhausted gas is more environment-friendly, and problems that no device for treating the exhausted gas is arranged, the peculiar smell of the chemical liquid and chemicals contained in the gas is exhausted into the atmosphere, and environmental pollution is caused are solved.

The invention discloses a pretreatment method for step-by-step demulsification and flocculation of DMTO catalyst centrifugal mother liquid through an integrated internal-circulation reactor and relates to industrial sewage pretreatment methods. The pretreatment method aims to solve the technical problems that when an existing demulsification method is used for treating the DMTO catalyst centrifugal mother liquid, existing aluminium phosphate gel, sarciniform silicon aluminium phosphate gel (Al2O3-P2O5-SiO2-H2O) and other colloids are not dissolved out thoroughly, and in the flocculation treatment process, reaction re-dissolution happens, phosphate and aluminium gel is regenerated again, and the subsequent treatment process is disturbed. An integrated internal-circulation reactor system is composed of a reaction tank, a variable speed blender, a settling pond, an outflow water relay pond and an internal circulation backflow system. After the centrifugal mother liquid is treated step by step according to the order of pre-demulsification, demulsification, primary flocculation and secondary flocculation, COD is lowered by 70-90 percent, the sludge density index SDI15 of hydrocolloids is lower than four, and advanced treatment of recycling units is benefited. The method can be applied to pretreatment of other industrial sewage.

The invention relates to an anaerobic internal circulation reactor. The anaerobic internal circulation reactor comprises a reactor barrel and a gas-water separating box positioned at the top end of the barrel. A first reaction region and a second reaction region are arranged in the reactor barrel from bottom to top. A flow guide device is arranged at the bottom of the first reaction region, an upstream end of the flow guide device communicates with a water feeding tube and a downcomer, and a downstream end of the flow guide device communicates with the first reaction region in the reactor barrel. The gas-water separating box at the top end of the reactor barrel is divided into a mixed liquid ascending region and a mixed liquid descending region by a height-adjustable overflow weir plate; the bottom of the mixed liquid descending region communicates with the upstream end of the flow guide device through the downcomer; and the mixed liquid ascending region of the gas-water separating box is respectively connected with a gas collecting groove ascending tube of a first three-phase separator on the upper part of the first reaction region and a gas collecting groove ascending tube of a second three-phase separator on the upper part of the second reaction region. An internal circulation system is good in adjustability, and the reactor is high in running stability.

The invention belongs to the technical field of high polymer materials, and particularly relates to an HIPS (High Impact Polystyrene) resin production process system containing an internal circulation device and a body preparation method. The system comprises an internal circulation reactor, a piston flow reactor and a static mixing reactor which are sequentially connected in series through pipelines, the internal circulation reactor consists of three static mixers which are sequentially connected in series; the number of the piston flow reactors is two. The problems of poor operation stability, high energy consumption, wide molecular weight distribution of rubber particles, poor dispersibility and the like in the prior art are effectively solved, the rubber particles with small sizes and unreacted monomers are pumped back into the system by the internal circulation reactor to continue to react, the rubber grafting rate and the monomer conversion rate are improved, the product quality is stabilized, and the production cost is reduced. The improved device is stable in operation and low in energy consumption, the prepared HIPS resin product has the characteristics of narrow molecular weight distribution of rubber particles, uniform dispersion and high impact strength, the industrial production prospect is good, and the economic benefit is remarkable.

The invention discloses a chemical sewage treatment device with ozone sterilizing and harmful gas treatment, which comprises a chemical sewage inlet, a sewage connecting pipe, a water volume control valve, a water inlet pipe, a sewage filtering device, a first rotator, a first filter, a second Second filter, sewage transition pipe, ozone sterilizing device, sewage detector, internal circulation reactor, ozone generator, second rotator, water outlet pipe and water outlet pipe interface, the water inlet pipe is connected with the sewage filter device, the The right side of the sewage filtering device is connected to the ozone sterilizing device through the sewage transition pipe, and the inner circulation reactor and the ozone generator are installed in the ozone sterilizing device. The chemical sewage treatment device with ozone sterilization and harmful gas treatment has more thorough filtration and sterilization, which greatly improves the working efficiency of the device, and the filtration efficiency is higher, and the device is not only more stable in structure, not easy to damage, and can be used for a long time. And it works more smoothly.

The invention belongs to the technical field of sewage treatment, and particularly relates to a high-salt high-ammonia-nitrogen wastewater autotrophic nitrogen removal and full quantification treatment device and method.The device comprises an adjusting tank, an A-DMBR autotrophic nitrogen removal double-membrane internal circulation reactor, an intermediate water tank and an M-ECOR multi-element coupling oxidation reduction reactor which are sequentially connected in series; a water outlet of the adjusting tank is communicated with a water inlet of the A-DMBR autotrophic nitrogen removal double-membrane internal circulation reactor through a water inlet pipeline and a lifting pump; a water outlet of the A-DMBR autotrophic nitrogen removal double-membrane internal circulation reactor is communicated with a water inlet of the middle water tank through a pipeline; a water outlet of the middle water tank is communicated with a water inlet of the M-ECOR multi-element coupling oxidation reduction reactor through a pipeline and a water inlet pump. According to the technical process, autotrophic nitrogen removal is achieved in the whole process, an organic carbon source does not need to be additionally added, the treatment cost is saved, and CO2 emission is reduced; no concentrated solution is generated, and full-quantitative treatment of high-salt and high-ammonia-nitrogen wastewater such as landfill leachate can be realized.

The invention discloses a jet membrane method internal circulation reactor. The reactor comprises an embedded inner shell and an embedded outer shell, wherein the upper end and the lower end of the inner shell are fixed on the upper end surface and the lower end surface of the outer shell respectively; the inner shell is a precipitation zone; the outer cavity of the inner shell is provided with abiological reaction zone; the outer biological reaction zone is provided with an anaerobic zone, an aerobic zone and an anoxic zone in sequence; a jet device and an ancillary submersible pump are arranged in the aerobic zone; a plug flow device is arranged at the starting end of the anoxic zone; a water outlet of the reactor is arranged at the tail end of the aerobic zone; a water inlet pipe is arranged at the starting end of the anaerobic zone; a shutter is arranged on the inner shell corresponding to the tail end of the aerobic zone, the inner shell is internally provided with a first overflow groove corresponding to the shutter; a first baffle is arranged outside the first overflow groove, the middle part of the bottom of the inner shell is provided with a mud pipe extending to the outer part of the outer shell; a second baffle and a second overflow groove are arranged on the tail end, in the water flow, of the inner shell in sequence, the second overflow groove is communicated witha water outlet pipe extending to the outer part of the outer shell. The invention also discloses a sewage treatment method by using the reactor. The reactorhas the advantages of simple structure, lowcost, convenient operation management and stable treatment effect.

The invention relates to a drilling wastewater treatment system which comprises an internal circulation reactor (1), a sedimentation tank (2), an ultrafiltration device (3), an oxidation tank (4) and a plate-and-frame filter (5). The circulating reactor (1) comprises a shell (11), an outer cylinder (12), an inner cylinder (13), a stirring device (14), an aeration head (15), a folded plate (16) and a conical bottom (17). The shell (11) is of a barrel-shaped structure, and the bottom of the barrel-shaped structure is connected with a cone bottom (17). A drain pipe is arranged at the middle upper part of the cone bottom (17) and/or the shell (11) and is communicated with the sedimentation tank (2), and a drain pipe is arranged at the middle upper part of the sedimentation tank (2) and is communicated with the ultrafiltration device (3). A concentrated drain pipe of the ultrafiltration device (3) is communicated with the oxidation pond (4), and the oxidation pond (4) is communicated with the plate-and-frame filter (5). And a stirring device (14) is arranged on a central shaft of the cylindrical structure. The drilling wastewater treatment system can improve the deoiling efficiency.

The invention provides a multistage internal circulation semi-dry method desulfurization, denitrification and demercuration integrated device and belongs to the field of smoke purification. The integrated device can remove sulfur, nitrate and mercury in smoke in a combined mode. A large Venturi tube is arranged at the lower portion of a first-stage internal circulation reactor, a small Venturi tube is arranged in the large Venturi tube, the large Venturi tube is communicated with an ash bucket, the ash bucket is communicated with a smoke inlet, and a ClO2 distributor is installed in the smoke inlet. A dual-alkali liquid atomizing nozzle is arranged in each stage of internal circulation reactor, each dual-alkali liquid atomizing nozzle is communicated with a container containing dual-alkali liquid through a slurry pump, a U-shaped groove separator is fixed to the top of each stage of internal circulation reactor, the Nth-stage internal circulation reactor is communicated with a smoke outlet, the smoke outlet is communicated with a bag-type dust remover, the bag-type dust remover is communicated with an induced draft fan, the bag-type dust remover is communicated with an ash storage tank and an ash bin through an ash discharge pipeline, a spiral feeder is arranged in the lower port of the ash storage tank, and an ash discharge port of the spiral feeder is communicated with the small Venturi tube through a discharge pipe. The integrated device is used for removing sulfur, nitrate and mercury in smoke.

The invention relates to a multistage internal circulation reactor for the chemical industry and belongs to the technical field of chemical industrial equipment. The multistage internal circulation reactor for the chemical industry comprises a multistage reactor, a reaction chamber and a collector, wherein the multistage reactor is connected with a recoverer which comprises a casing and a sealing head, supporting legs are mounted at the lower end of the casing, a reflux control system is arranged on the multistage reactor, the reaction chamber is mounted at the top of the multistage reactor and directly connected with the multistage reactor, a discharge port is formed in the position, close to two side plates, of the bottom of the reaction chamber, and the collector is communicated with the reaction chamber through a connection pipe. The multistage internal circulation reactor has the benefits as follows: the pipeline is simple, pipe resistance is little, the vacuum degree of the system is high, the loss of pipes is little, operation is simple and convenient, the reaction rate is high, the effective volume of the reactor is large, a reaction can be performed more completely, and accordingly discharge of sewage is reduced.

The invention provides a device and a method for improving internal mixing in an internal circulation reactor and a reactor. The internal circulation reactor comprises a plurality of vertically arranged flow guide channels, the flow guide channels are separated by partition walls, and the upper part of each partition wall is provided with a collecting tank; a gap for fluid to flow is reserved between the outer wall of each flow guide channel and the inner wall of the reactor, and an annular area is formed by the gaps between the outer walls of the flow guide channels and the inner wall of the reactor; and a gas injection port is formed in the bottom of each flow guide channel and is connected with gas injection equipment through a pipeline. By adopting the technical scheme of the invention, the liquid between the regions in the internal circulation reactor can be exchanged, the overall gas demand is reduced, the internal mixing effect between the plurality of regions is improved, the concentration balanced distribution in the large internal circulation reactor is promoted, and the overall energy consumption for mixing is reduced.