14076results about "Feed devices" patented technology

The invention provides a sulfamic acid continuous crystallization production device and process, the sulfamic acid continuous crystallization production device comprises a filter box and a production box, the production box is fixedly connected to the upper surface of the filter box through bolts, the top end of the production box is provided with a feeding pipe, the middle part of the interior of the production box is provided with a partition plate, and the middle part of the partition plate is provided with a conveying pipe; a discharging pipe, a production reaction module and a filtering and cleaning module are arranged between the production box and the filtering box. According to the sulfamic acid continuous crystallization production device and the sulfamic acid continuous crystallization production process, in the sulfamic acid continuous crystallization production process, when sulfamic acid crystals are filtered out from mother liquor through the filter cartridge, purified water is sprayed into the filter cartridge through the spray head; and the sulfamic acid crystals can be quickly and uniformly washed to remove impurities through the filter cartridge which continuously shakes in a reciprocating manner in the rotating process, so that the continuous crystallization production efficiency of the sulfamic acid can be effectively improved.

The invention discloses a phosphorus oxyfluoride reaction and separation integrated preparation tower, and belongs to the field of industrial equipment for phosphorus oxyfluoride preparation, the preparation tower comprises a tower body, the tower body is provided with a feeding area, a reaction area and a separation area, the feeding area and the separation area are both filled with filler sections of filler, a first feeding port is formed in the bottom of the filler section in the feeding area, and a second feeding port is formed in the bottom of the reaction area. A tubular heat exchanger is arranged in each reaction zone, a threaded pipe is arranged on each tubular heat exchanger, filler is also filled between the threaded pipes, a second feeding hole is formed in the upper part of the reaction zone on the top layer, and polyphosphoric acid and anhydrous hydrogen fluoride are contacted in the reaction zones to form a concentration stepped reaction and a temperature stepped reaction; and the phosphorus oxyfluoride gas generated after the reaction is fractionated through the filler section on the separation area and enters the next process from the top of the tower body. According to the invention, the reaction and separation of phosphorus oxyfluoride production are integrated, the energy consumption of phosphorus oxyfluoride production is reduced, the production cost is reduced, and the reaction yield is improved.

The invention discloses a device and a method for producing oxamide, and relates to the field of chemical production. The method for producing oxamide specifically comprises the following steps: mixing a methanol solution of liquid ammonia and a methanol solution of dimethyl oxalate, carrying out ammonolysis reaction, carrying out flash evaporation, filtration and drying on first slurry obtained after the reaction is finished to obtain solid oxamide, and refining a liquid phase obtained by solid-liquid separation of the first slurry to obtain a byproduct methanol, ammonia in the tail gas is washed and absorbed by dimethyl oxalate and then returns to a reaction system. In the oxamide production process, dimethyl oxalate reacts with ammonia gas in mixed gas generated in the reaction process, and the obtained product is continuously subjected to subsequent ammonolysis reaction, so that the utilization rate of reaction materials is increased; meanwhile, a condenser is not used for condensing ammonia gas and methanol and then separating alcohol and ammonia, so that condensing equipment and cooling water are saved, the production cost is reduced, and industrial production is facilitated.

In one embodiment, an anhydrous hydrogen fluoride generator vessel (also referred to herein as the “AHF generator vessel”) is provided. In several embodiments, an AHF generator vessel may include a container assembly, one or more shelves, and a center pipe assembly. The container assembly may include a lid assembly that may be removably coupled to the wall, and one or more feet. The center pipe assembly may include a base adapter, a center pipe, and a bottom adapter. In one embodiment, sodium bifluoride is loaded onto the one or more shelves which are positioned perpendicular to the center pipe and stacked upon one another. An external heat source may provide the heat to the vessel to thermally degrade the sodium bifluoride into HF and sodium fluoride (NaF). In various embodiments, the HF may be carried by a carrier gas out of the AHF generator vessel via the lid assembly.

The invention discloses a process and a device for producing oxamide, and relates to the field of chemical production. The invention provides a process for producing oxamide, which specifically comprises the following steps: mixing a methanol solution of liquid ammonia and a methanol solution of dimethyl oxalate, carrying out ammonolysis reaction, carrying out flash evaporation, filtration and drying on first slurry after the reaction is finished to obtain solid oxamide, and carrying out liquid phase refining to obtain a byproduct methanol, ammonia in the tail gas is washed and absorbed by dimethyl oxalate and then returns to a reaction system. The methanol solution of dimethyl oxalate is used for absorbing excessive ammonia in the reaction process, and the reaction product is continuously used for producing oxamide, so that methanol and ammonia can be thoroughly separated, the conversion rate of ammonia can be greatly improved, and the economical efficiency of the production process is improved; meanwhile, tail gas containing ammonia is not discharged, and the environmental protection property of the production process is improved.

The invention discloses a method and a device for synthesizing a metal precursor organic carbonyl cobalt compound, which are particularly suitable for synthesizing and preparing dicarbonyl cyclopentadienyl cobalt and (3, 3-dimethyl-1-butyne) hexacarbonyl cobalt. The method comprises the following steps: S01-S07, weighing the following raw materials: 120 parts of activated carbon, 250 parts of water, 3-9.1 parts of gold chloride, 118.9-129.8 parts of cobalt salt, a 40%-80% hydrazine hydrate aqueous solution, a 30% sodium hydroxide aqueous solution, 500 parts of dichloromethane and 69.4 parts of a cyclopentadiene monomer; the preparation method comprises the following steps: adding activated carbon, gold chloride, cobalt salt and water into a reaction kettle, starting stirring, controlling the temperature at 10-15 DEG C, dropwise adding a 40% hydrazine hydrate aqueous solution, and slowly heating to 50-55 DEG C after dropwise adding; and filtering the reaction liquid, drying the filtered solid, and putting into a reaction kettle. According to the invention, cobalt salt with wide source and low price is used as a raw material to synthesize the carbonyl cobalt compound, and the carbonyl cobalt compound does not need to be synthesized by taking cobalt octacarbonyl with high price and the like as a carbonyl cobalt source to react with corresponding organic matters.

The invention discloses a method and equipment for rapidly and continuously preparing carbon nano tubes with adjustable tube diameters, which are used for continuously and rapidly preparing carbon nano tubes with different tube diameters and at least comprise a catalyst precursor atomizing chamber, a plasma device, a carbon nano tube preparation reactor, a collector and a tail gas treatment device. A catalyst precursor solution enters the atomizing chamber through the injection pump to be atomized, atomized mist enters the plasma treatment device and then enters a reaction from a sample inlet in the upper portion of the reactor, after the reaction in the reactor is completed for a short time, the carbon nanotubes are collected from a collecting device on the lower portion of the reactor, and tail gas can be returned to the reactor after being filtered by the filter. The tail gas can be repeatedly used; and the continuous preparation of the carbon nano tubes with different tube diameters can be realized.

The invention relates to a method for continuously producing 1, 1, 1, 3-tetrachloropropane, which comprises the following steps: adopting a loop reactor in which a beam pipe is arranged in the reactor, mixing reaction raw materials ethylene and carbon tetrachloride at a Venturi nozzle at the lower part of the reactor through a gas circulation loop and a liquid circulation loop outside the reactor, and spraying into the reactor filled with a main catalyst. A cocatalyst and a chelating agent are added into a carbon tetrachloride raw material in advance, are pumped into a liquid loop by a feeding pump and then enter a reactor. Reaction raw materials are circularly stirred under the action of a beam pipe in the reactor, so that solid, liquid and gas phases are fully mixed. By adopting the method disclosed by the invention, the selectivity and the production efficiency of the 1, 1, 1, 3-tetrachloropropane can be greatly improved, and the method also has the advantages of simplicity in operation, environment friendliness, long service life of the catalyst and low cost.

A media applicator (1) for dispensing at least two media is proposed. The media applicator (1) comprises media supply lines (11, 11a, 11b) with at least one first media outlet (9) for feeding at least one first medium into a spray head (20) and with at least one second media outlet (10) for feeding a second medium into the same spray head. The first medium can preferably be applied by means of a first spray unit (21) of the spray head (20) and the second medium by means of a second spray unit (23) of the spray head (20). Furthermore, a system (20) and a method (100) for applying media are proposed.

The invention provides a system for preparing a single-walled carbon nanotube based on a pulsed plasma arc, which can improve the yield of the single-walled carbon nanotube. Two electrode module groups are arranged in an electric arc reaction cavity and are respectively used as an anode and a cathode, and a pulse power supply drives a motor module group to generate a pulse plasma electric arc; a pulse plasma arc is used as a heat source, a mixed solution of a catalyst and a catalyst auxiliary agent is atomized and then is fed into an arc reaction cavity by using carrier gas to react with a gaseous carbon source which is independently fed, and a high-purity single-walled carbon nanotube is grown on the surface of the fine catalyst through plasma flow between a cathode and an anode and a cracked carbon source, so that the high-purity single-walled carbon nanotube is obtained. And a produced product is obtained in a collection chamber at the tail end of the system. Meanwhile, the invention also discloses a method for preparing the single-walled carbon nanotube based on the pulse plasma arc.

The invention belongs to the technical field of ethyl acetate production, and particularly relates to energy-saving ethyl acetate production equipment and method.The equipment comprises a reaction kettle, a stirring shaft is rotationally arranged in the middle of the lower end face of the inner cavity wall of the reaction kettle, stirring blades are arranged on the two sides of the stirring shaft, and feeding hoppers are arranged on the left side and the right side of the upper end of the reaction kettle; a valve is arranged on the feeding hopper, a discharging pipe is arranged in the middle of the lower end of the right side of the reaction kettle, and an anti-blocking ejection type throwing-out mechanism used for adding a catalyst is arranged on the reaction kettle. By utilizing the anti-blocking ejection type throwing-out mechanism, after a solid granular catalyst is added into the blanking barrel, the catalyst can be thrown out into the inner cavity of the reaction kettle through the through holes under the action of centrifugal force, so that the catalyst is uniformly distributed in the inner cavity of the reaction kettle, and the phenomenon that the catalyst is accumulated at a certain position in the inner cavity of the reaction kettle and is difficult to block can be avoided. The contact between the stirring blades and the catalyst is insufficient, and the stirring effect is influenced.

The invention provides a preparation device and process of electronic-grade silane. According to the preparation device, a first disproportionation reaction is carried out on the basis of the first reactor, dichlorosilane is rectified and separated to serve as a raw material for a second disproportionation reaction, silane can be obtained on the basis of cheap trichlorosilane and a catalytic reagent, and electronic-grade silane can be obtained on the basis of traditional purification after rectification; based on heat exchange between tower top materials of the rectifying tower I and a tower kettle reboiler of the rectifying tower II, differential pressure thermal coupling integration is realized, condensing equipment and operation steps can be omitted, energy consumption is reduced, and the defects of high preparation cost and high energy consumption of a silane preparation device in the prior art are overcome.

The invention discloses a preparation device and a preparation process of high-performance carboxylic butyronitrile latex, and relates to the technical field of carboxylic butyronitrile latex preparation.The preparation device comprises a reaction kettle, a feeding pipe is fixedly installed at the top of the reaction kettle, a motor is fixedly installed at the top of the reaction kettle, and a discharging pipe is fixedly installed at the bottom of the reaction kettle; a spiral heating pipe is arranged in the reaction kettle; the anti-adhesion device comprises a reciprocating lead screw, a threaded block, a fixed rod, an elastic telescopic rod, an arc-shaped plate, a connecting frame, a short rod, a rotating plate, a limiting block, a convex block and a groove, the reciprocating lead screw is driven to rotate through rotation of the motor, and the reciprocating lead screw rotates to drive the threaded block to reciprocate up and down; the threaded block reciprocates up and down to drive the elastic telescopic rod to reciprocate up and down, the elastic telescopic rod reciprocates up and down, and the arc-shaped plate reciprocates up and down, so that raw materials are prevented from being attached to the inner wall of the reaction kettle to form a thick layer, and the heating effect of the spiral heating pipe on carboxyl butyronitrile latex in the reaction kettle is affected.

The invention relates to the technical field of polymerization reaction devices, in particular to a dynamic heating, stirring and mixing integrated reaction device which comprises a reaction kettle, a rotating shaft is arranged on the inner side of the reaction kettle, a plurality of stirring rods are fixedly mounted on the outer side of the rotating shaft, a heater is fixedly mounted at the top of the reaction kettle, and a plurality of stirring blades are fixedly mounted on the heater. An output pipe and an input pipe are fixedly mounted on the two sides of the heater respectively, the output pipe and the input pipe penetrate through the top of the reaction kettle respectively, and an oil feeding mechanism is arranged on the inner side of the top wall of the reaction kettle; by adopting the design of the multiple concentric-square-shaped pipes, when the rotating shaft rotates, the multiple concentric-square-shaped pipes can be driven to revolve on the inner side of the reaction kettle, through the design of bevel gears, the concentric-square-shaped pipes rotate while revolving, and meanwhile, hot oil conveyed from the inner sides of the concentric-square-shaped pipes can fully heat raw materials on the inner side of the reaction kettle; therefore, the effect of overturning and heating the raw materials is achieved, and the uniformity of heating the raw materials is improved.

Systems and methods for producing nitrates, nitric acid, salts thereof, or a mixture thereof are disclosed. The systems may include a feed conduit configured for receiving a feed stream comprising molecular oxygen and molecular nitrogen; an inlet conduit configured for receiving an inlet stream; a plasma reactor fluidically coupled to the inlet conduit, the plasma reactor fluidically coupled to a reactor-outlet conduit configured for receiving the reactor-outlet stream, the plasma reactor configured to produce oxidized nitrogen species; and an absorber fluidically coupled to the reactor-outlet conduit, the absorber configured to receive the reactor outlet stream and to produce nitrates, nitrites, nitric acid, salts thereof, or a mixture thereof from the reactor outlet stream. A recycle conduit may be fluidically coupled to the absorber and the inlet conduit, wherein the recycle conduit is configured to receive the gas-phase stream from the absorber and provide the gas-phase stream to the inlet conduit.

The invention relates to the technical field of chemical reaction kettles, and relates to a chemical reaction kettle for preventing material adhesion, the chemical reaction kettle comprises a reaction kettle body, a power assembly, an adjusting assembly and a matching assembly, in the power assembly, a motor drives an outer cylinder to rotate and stir and drives an inflation assembly at the same time, so that a one-way nozzle sprays air into the reaction kettle; the adjusting assembly can automatically adjust the angle of the stirring blade according to the air pressure, adapt to the viscosity change of the solution in the stirring process and improve the stirring effect, and the matching assembly can introduce the high-pressure gas in the reaction kettle into the material box when the air pressure is increased; the high-pressure gas quickly disperses and sprays out the powder, so that the mixing time is shortened, the agglomeration probability is reduced, and the material mixing uniformity and the reaction efficiency are remarkably improved.

The invention discloses a continuous synthesis and purification method of hexafluoropropylene oxide, which comprises the following steps: introducing hexafluoropropylene, oxygen and a fluorine-containing solvent into a supergravity reactor to carry out oxidation reaction at the reaction temperature of 100-200 DEG C under the reaction pressure of 1.0-2.5 Mpa for 10-120 seconds, and after the reaction is finished, overflowing and leading out reaction liquid to obtain the hexafluoropropylene oxide. And purifying to obtain the hexafluoropropylene oxide. According to the method, the problems of mass transfer and heat transfer can be effectively solved by using the supergravity reactor, the reaction selectivity is remarkably improved, meanwhile, the productivity is effectively improved, and the supergravity reactor is combined with extractive distillation treatment, so that the conversion rate of the hexafluoropropylene reaches 79% or above, the selectivity of the hexafluoropropylene oxide is 85% or above, and the purity of the hexafluoropropylene oxide after extractive distillation reaches 99%. The invention further discloses a device used in the continuous synthesis and purification method, and cyclic utilization of hexafluoropropylene and the fluorine-containing solvent can be achieved.

The invention belongs to the technical field of chemical production, and particularly relates to an efficient energy-saving refining system for producing cyclohexanone through dehydrogenation, which comprises an alcohol tower, a dehydrogenation heat exchanger, a dehydrogenation reactor, an alcohol tower feeding heat exchanger, a dehydrating tower, a light tower I, a light tower II, a ketone tower and an alcohol recovery tower which are connected in sequence, a middle feeding port of the alcohol tower is communicated with a tube pass discharging port of the alcohol tower feeding heat exchanger, a top discharging port of the alcohol tower is communicated with a tube pass feeding port of the dehydrogenation heat exchanger, a bottom discharging port of the alcohol tower is communicated with a middle feeding port of the alcohol recovery tower, and an alcohol ketone drying tower is additionally arranged between the alcohol tower feeding heat exchanger and the dehydration tower. A feed port of the alcohol ketone drying tower is communicated with a shell pass discharge port of the alcohol tower feed heat exchanger, and a liquid phase discharge port of the alcohol ketone drying tower is communicated with an upper feed port of the dehydrating tower. The alcohol tower adopts a process that raw materials directly enter the tower top, tower top reflux is cancelled, steam consumption is reduced, and the purpose of saving energy is achieved.

The invention discloses a deep arsenic removal device for phosphoric acid and an arsenic removal process thereof, and relates to the technical field of efficient arsenic removal in phosphoric acid, the deep arsenic removal device comprises an automatic feeding continuous arsenic removal reactor, under the cooperation of a temperature control heating assembly, an arsenic biosensor, a material removal driving motor, a rotating rod, a drying rake blade and a heat conduction rod, the position of a microwave heating source is adjusted, and the arsenic removal efficiency is improved. The microwave heating is more accurate through the intelligent control of the microwave power, and the microwave heating is combined with the internal drying rake blade stirring system, so that the heating efficiency of the material is improved, the uniform mixing of the material is promoted, the temperature change of different areas in the automatic feeding continuous arsenic removal reactor can be adapted, and the continuous arsenic removal effect is improved. According to the technical scheme, the uniformity and controllability of reaction conditions are guaranteed, the heat conduction rods arranged in an array mode can quickly respond to temperature changes, uniform distribution of heat is achieved, local overheating is avoided, meanwhile, the heat conduction path can be flexibly adjusted according to requirements, and the temperature uniformity in the automatic feeding continuous arsenic removal reactor is guaranteed.

The invention discloses a low-sulfur diesel oil production device and method, and belongs to the technical field of low-sulfur diesel oil production.The low-sulfur diesel oil production device comprises a production tank, a touch screen controller is arranged on the outer surface of the production tank, a feeding pipe and a supporting ring are fixedly installed on the outer surface of the production tank, and an electric heating pipe is arranged in a shell cavity of the production tank; the feeding pipe is located above the supporting ring, a plurality of supporting feet are fixedly installed on the bottom face of the supporting ring, and a bottom shell is fixedly installed on the bottom face of the production tank. According to the low-sulfur diesel oil production device, by arranging the driving assembly, the annular turbulent flow assembly and the hydrogen introduction mechanism in a matched mode, during diesel oil production, multi-angle release of hydrogen can be achieved, the production tank can be rapidly filled with the hydrogen, a desulfurization reaction can be rapidly conducted on the hydrogen and the diesel oil under the action of a catalyst, and the production efficiency of the low-sulfur diesel oil is greatly improved; meanwhile, continuous cleaning of the core area of the filtering structure can be synchronously achieved, and blockage caused by continuous accumulation of impurities on the filtering structure is avoided.

The present invention relates to a method and an apparatus for producing nitrile with controlled spray liquid input pressure. According to the manufacturing method, spraying liquid can be atomized, the contact area with ammonia is increased, and the mass transfer efficiency is improved. The present invention relates to a method for producing nitrile, comprising a step (referred to as a reaction step) for producing a nitrile-containing reaction product by subjecting a hydrocarbon raw material to an ammoxidation reaction, and a step (referred to as a cooling step) for cooling the reaction product by spraying a spray liquid onto the reaction product by means of a spraying device, the spraying device comprises a spraying liquid inlet, a first spraying pipe in fluid communication with the spraying liquid inlet, and a plurality of second spraying pipes which are in fluid communication with the first spraying pipe, are perpendicular to the first spraying pipe and extend towards the two sides of the first spraying pipe. The first spraying pipe is communicated with the first spraying pipe through fluid, the second spraying pipe is communicated with the second spraying pipe through fluid, the third spraying pipes are communicated with the second spraying pipe through fluid and extend towards the two sides of the second spraying pipe perpendicular to the second spraying pipe, the nozzles are located at the tail ends of the third spraying pipes and communicated with the third spraying pipes through fluid, and in the cooling step, the spraying liquid input pressure of a spraying liquid inlet is controlled to be 0.06-1.00 MPaG.

The invention discloses a deep learning and automatic control chemical reactor and a resource recovery method, and relates to the technical field of hydrometallurgy, and the deep learning and automatic control chemical reactor comprises a chemical reactor, a motor, a heating device, a monitoring device, a data center and a PLC control system. Based on a PLC control system, a Transform-LSTM time sequence prediction model is integrated, so that real-time monitoring of parameters such as mixed liquid temperature, reaction chamber pressure, mixed liquid viscosity, conductivity and the like in a wet leaching reaction process can be realized; and the heating power of the heating device, the rotating speed of the motor, the raw material adding amount of the feeding port, the mixed material discharging time of the discharging port and the air displacement of the air exhaust port can be automatically and accurately controlled. The problems that stirring efficiency is low, parameter regulation and control are lagged, and manual experience is relied on are solved, through a predictive control strategy, the real-time monitoring and dynamic regulation level is remarkably improved, the wet leaching process is optimized, energy consumption is reduced, the high-grade metal leaching efficiency is improved, and the method is suitable for various wet metallurgy processes.

The invention relates to the technical field of medicine wet granulation, in particular to a medicine granulation process optimization method and system based on artificial intelligence, and the method comprises the steps: measuring material attribute data in a material stage, and obtaining material attribute parameter information; measuring airflow data and spraying data in a spraying liquid adding stage to obtain first process parameter information; measuring airflow data and spray data in a particle growth stage to obtain second process parameter information; analyzing the first process parameter information and the second process parameter information to obtain a process parameter analysis result; the dissolution characteristic of the prepared particles is measured, and dissolution information of the prepared particles is obtained; inputting the material attribute parameter information, the process parameter analysis result and the prepared particle dissolution information into a process optimization model to obtain process adjustment parameters; and adaptively adjusting the parameters of any one of the material stage, the spraying and liquid adding stage and the particle growth stage according to the process adjusting parameters. According to the method and the system disclosed by the invention, the consistency and the stability of the prepared particles are ensured.

The invention relates to the technical field of automatic control, in particular to a monitoring method and system for synthesizing ceramide based on alpha-hydroxy fatty acid, and the monitoring system for synthesizing ceramide based on alpha-hydroxy fatty acid comprises a raw material feeding module, a reaction control module, a quenching-crystallization joint control module and a data integration module; carrying out dynamic weighing monitoring on the raw materials based on the received synthesis instruction, and starting a reaction kettle according to weighing data; performing multi-dimensional data acquisition in real time according to the set reaction data, and performing dynamic feeding control according to the set reaction data; when the TLC detection substrate reaction is completed, the cooling process and the crystallization process are regulated and controlled in real time according to the reaction data until the end point judgment standard is met; according to a received synthesis completion instruction, product quality data is obtained, a monitoring data packet is generated, the synthesis instruction is marked and then stored, process control is accurately monitored and controlled, and the purity and crystal form of the product are ensured.

The invention belongs to the technical field of drinking water purification equipment, and particularly relates to an intelligent dosing system based on cloud computing, which comprises a monitoring unit, a data control unit and a dosing unit, according to the invention, the content of residual chlorine in the clean water tank and the concentration of sodium hypochlorite in the dosing pipe are detected, and the dosing rate and start-stop time of the dosing unit are controlled according to the detection result, so that dynamic control of the concentration of sodium hypochlorite in tap water is realized; the mode of storing the sodium hypochlorite solution in advance is utilized, the burden of the sodium hypochlorite generator is reduced, meanwhile, the adjustable range of the dosing rate of the dosing unit is expanded, the adjusting rate of the residual chlorine content in tap water is flexible, and tap water chlorine disinfection operation is more convenient.

The utility model provides an oxidation tower gas distributor, which relates to the technical field of oxidation tower gas distributors and comprises a gas inlet pipe, a first annular distribution pipe is arranged on one side of the gas inlet pipe, a second annular distribution pipe is arranged on one side of the first annular distribution pipe, and flanges are arranged on the surfaces of the two ends of the first annular distribution pipe and the second annular distribution pipe. Seven gas outlet pipes are arranged on the top face of the second annular distribution pipe, gas is discharged out of the rotating pipe in a spiral mode through an arc-shaped channel in the surface of the swirler, mixing of the gas and liquid is increased through the spiral gas, and due to the fact that a force in the reverse direction can be generated when the gas is discharged out of the rotating pipe, the force in the reverse direction can push the rotating pipe to rotate; therefore, the gas discharging position is changed, the gas discharging range is enlarged, gas-liquid mixing is further improved, and the defect that gas can only be discharged out of the distributor in a linear mode, the gas discharging position is fixed, and rotation cannot be conducted, so that the gas-liquid mixing efficiency is low is overcome.

The utility model discloses a cracking kettle for preparing sebacic acid by cracking castor oil. The device is characterized in that a cracking kettle body is divided into an upper-layer kettle and a lower-layer kettle, and the upper-layer kettle and the lower-layer kettle are separated by a separation plate; a plurality of gas dispersion channels are distributed on the isolation plate; the gas dispersion channel is made of a non-sticky high-temperature-resistant material, the gas dispersion channel is a bevel channel, and the inlet end and the outlet end are symmetrically arranged up and down; a feeding channel is arranged above the cracking kettle body, an internal channel is arranged at the top in the cracking kettle body, a through hole is formed in the isolation plate, and the internal channel penetrates through the through hole of the isolation plate and is communicated with the lower-layer kettle; the feeding channel penetrates into the cracking kettle body and is communicated with the internal channel; the inner channel is a double-layer pipeline, the inner space is a stirring rod channel, and the outer space is a feed liquid channel; the stirring rod penetrates through the stirring rod channel and extends into the lower-layer kettle; the stirring paddle is spirally arranged at the lower end of the stirring rod. The gas outlet can be protected, the gas outlet is prevented from being blocked by non-gas products, and smooth output of the gas products is guaranteed.

The present application relates to a multiphase reactor. The multiphase reactor comprises: a reactor housing in which a reaction cavity is formed, wherein the reactor housing is provided with a second material inlet pipe and first material inlet pipes communicated with the reaction cavity, and the first material inlet pipes are used for conveying a first material to the reaction cavity; a gas distributor located in the reaction cavity, wherein the second material inlet pipe is communicated with the gas distributor, and a second material conveyed by the second material inlet pipe is conveyed to the reaction cavity by means of the gas distributor; and flow guide cylinders located in the reaction cavity, wherein a plurality of ventilation parts are arranged on each flow guide cylinder in the circumferential direction of the reactor housing, and the flow guide cylinders are used for axial drainage and radial cutting in the reaction cavity. The present application solves the technical problems that the reaction efficiency is affected and the material consumption is increased due to uneven distribution of a temperature field and a reaction field in multiphase reactors.

The invention relates to the technical field of TMBP preparation, in particular to a TMBP reaction device and a TMBP synthesis method. The reaction device comprises a closed tank body, a heating mechanism is arranged in the tank body, the tank body is divided into a gas phase area and a liquid phase area from top to bottom, a hollow rotating shaft is arranged in the center of the tank body, the top of the hollow rotating shaft is connected with a motor, a gas inlet mechanism is arranged in the hollow rotating shaft, gas inlet holes communicated with the gas phase area are formed in the upper portion of the side wall, and a gas distribution mechanism is arranged below the side wall. The gas distribution mechanism comprises a plurality of hollow and horizontally-arranged spiral blades which are communicated with the hollow rotating shaft in a sealed mode, the outer side wall is provided with a gas outlet pipe perpendicular to the normal of the outer side wall, and the gas outlet pipe is provided with a one-way nozzle. The device is compact in overall structure, small in occupied area and good in stirring effect, oxygen in a gas phase region can be dispersed into a liquid phase region, the gas distribution mechanism has gas distribution and stirring effects at the same time, the oxygen content and dispersion uniformity in a liquid phase are greatly improved, the reaction efficiency is improved, and the reaction time is shortened.

The invention relates to the technical field of chemical reaction equipment, in particular to a reaction device for synthesizing high-molecular N-halamine resin, which comprises a viscosity adjusting mechanism, the viscosity adjusting mechanism comprises a detection plate for detecting viscosity, a first permanent magnet is embedded in the detection plate, a second permanent magnet is magnetically adsorbed by the first permanent magnet, and a second permanent magnet is embedded in the second permanent magnet; the top end of the second permanent magnet is provided with a magnetism isolating plate, and the top end of the magnetism isolating plate is fixedly connected with a conducting strip. The viscosity of the resin is fed back by detecting the movement distance of the detection plate, when the viscosity of the resin is increased, the friction force between the resin and the detection plate is also increased, the detection plate moves towards the side away from the connecting spring, and the movement drives the second permanent magnet and the conducting strip to slide on the resistance plate. And through a current monitor in the PLC, the current change of the slide rheostat can be detected, so that the viscosity of the resin is monitored in real time.