CN210906096U - Gas-liquid reaction kettle adopting spherical-crown-shaped micropore corundum gas feeder - Google Patents
Gas-liquid reaction kettle adopting spherical-crown-shaped micropore corundum gas feeder Download PDFInfo
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Abstract
The utility model relates to a gas-liquid reaction kettle adopting a spherical-crown-shaped micropore corundum gas feeder, which comprises a reaction kettle body and a gas supply device, wherein the reaction kettle body comprises a kettle body, the gas supply device comprises a gas feeder, the gas feeder is arranged inside the kettle body, the top surface of the gas feeder is a spherical surface, the gas feeder is spherical, the gas feeder is of an integral structure, and the upper surface and the lower surface of the gas feeder simultaneously give vent gas; the utility model has the advantages of large air supply quantity, strong stirring, small resistance, high efficiency, low consumption, reliable operation, no blockage, aging resistance, corrosion resistance, long service life and the like; in addition, the large amount of fine bubbles greatly increase the surface area of gas-liquid contact, accelerate the reaction speed and improve the reaction efficiency; in addition, the strong self-stirring effect of a large amount of small bubbles during gas supply does not need to be provided with a stirring device of a conventional gas-liquid reaction kettle, the structure can be simplified, the cost is reduced, and if the stirring device is provided, the speed and the efficiency of gas-liquid reaction can be further improved.
Description
Technical Field
The utility model belongs to the technical field of gas-liquid reaction kettle, concretely relates to adopt gas-liquid reaction kettle of spherical cap shape micropore corundum air feeder.
Background
The reaction kettle is the most common chemical reactor in the industrial production process, and the structural design and parameter configuration of the container are carried out according to different process condition requirements so as to realize the heating, evaporation, cooling and low-speed mixing reaction functions required by the process. The reaction kettle can carry out homogeneous reaction and multiphase reaction, and a stirring device is generally arranged in the reaction kettle, so that the concentration of reaction materials in a reaction area in the reactor can be uniform. The reaction kettle has various types, and can be divided into electric heating, hot water heating, heat-conducting oil circulating heating, far infrared heating, external (internal) coil heating and the like, jacket cooling, kettle internal coil cooling and the like according to a heating/cooling mode; can be divided into a carbon steel reaction kettle, a stainless steel reaction kettle, a glass lining reaction kettle (enamel reaction kettle) and a steel lining reaction kettle according to the material of the kettle body; the reaction materials are divided into liquid-solid, gas-liquid, liquid-liquid, gas-solid-liquid and the like.
Gas-liquid reaction is common in chemical production, for example, the production of benzoic acid is to introduce air into toluene solution for oxidation reaction to generate benzoic acid. For a gas-liquid reaction kettle, on one hand, important parameters such as temperature, pressure, mechanical control (stirring, blowing and the like), reactant/product concentration and the like in the reaction process are strictly regulated and controlled, so that the reaction meets the process requirements and is stable; on the other hand, the gas and the liquid need to be fully mixed, and the reaction speed and the reaction efficiency are improved. In order to make the gas-liquid mixing in the gas-liquid reaction kettle more uniform, technicians design various structures. Provide a shock formula reation kettle convenient to carry out gas-liquid reaction like patent CN201810374396.4, reation kettle wholly is provided with 2 motors, and 2 motors are vertical arrangement for when the (mixing) shaft of the internal portion of cauldron stirs, its whole cauldron body can carry out the vibration of making a round trip in supporting the frame, thereby has improved the mixing efficiency of the gaseous of the internal portion of cauldron and liquid. Patent CN201710788239.3 provides an environment-friendly liquid mixes high-efficient intelligent reation kettle for reaction, and it can realize the many free rotation stirring to liquid in the reation kettle through the setting of stirring unit, improves stirring efficiency. Patent CN201811033318.4 proposes a novel gas-liquid reaction kettle and a stirring and mixing method thereof, which, through the arrangement of rotating blades, hollow connecting rods, stoppers and baffle plates, two vortexes with different rotation directions are generated in the reaction kettle when the stirring device works, and meanwhile, the top-down circular flow of the reaction liquid is realized, so as to promote the reaction liquid to fully contact and react with the reaction gas. These structures can all improve gas-liquid mixture effect to a certain extent, but all have the structure complicacy, the higher problem of cost.
In addition, technicians adopt a porous air supply mode to reduce the size of bubbles and increase the number of bubbles under the condition of the same air supply amount, so that the surface area of gas-liquid contact is increased, and the reaction speed and the reaction efficiency are improved. For example, patent CN201721670781.0 proposes a high-efficiency gas-liquid two-phase reactor, which is provided with a plurality of gas outlets on a gas loop, so as to solve the problem of insufficient reaction in the whole reactor caused by single gas in the gas-liquid reactor. Patent CN201810376342.1 has proposed a agitator that can ventilate for reation kettle, sets up a plurality of gas outlet nozzles through stirring on the hollow pole, and gas can fully react with liquid, has enlarged reaction area, has shortened reaction time, has increased the treatment effeciency. But the diameter is at least mm magnitude, so the size of the bubbles is not small enough and the quantity is not enough, and the speed and the efficiency of the gas-liquid reaction cannot be fully exerted due to the limitation of the processing and the manufacturing of the small gas supply holes.
Therefore, the structures and the methods for improving the gas-liquid mixing of the gas-liquid reaction kettle have the obvious defects of complicated structure, higher cost or limited improvement effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a simple gas-liquid reaction kettle with a spherical-crown-shaped micropore corundum gas feeder, which does not need a stirring device to still realize high-speed and high-efficiency reaction.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides an adopt gas-liquid reation kettle of spherical micropore corundum air feeder, includes reation kettle body and air feeder, its characterized in that: the reaction kettle body comprises a kettle body, the gas supply device comprises a gas feeder, the gas feeder is arranged inside the kettle body, the top surface of the gas feeder is a spherical surface, the shape of the gas feeder is spherical, the gas feeder is of an integrated structure, and the upper surface and the lower surface of the gas feeder are simultaneously discharged.
As a further optimization scheme of the utility model, the air feeder is a micropore corundum air feeder, and is formed by firstly pressing and forming natural brown corundum with the granularity of 80-140 meshes and then sintering at high temperature.
As a further optimization scheme of the utility model, the porosity of air feeder is 30 ~ 50%, and the average pore diameter is 100 ~ 200 um.
As a further optimization scheme of the utility model, the diameter of the air supply bubble of the air supply device is 0.5-2 mm; the air supply area of the air supply device is 0.05-0.5 m2A/one.
As the utility model discloses a further optimization scheme, air feeder still includes gas holder, air pump, check valve and intake pipe, and the air feeder passes through the export of intake-tube connection air pump, and the import of air pump passes through the pipe connection gas holder, is equipped with the check valve in the intake pipe.
As the utility model discloses a further optimization scheme, this body coupling heating device of reation kettle, temperature measuring device and cooling device, air feeder, heating device, temperature measuring device, cooling device connection control device.
As the utility model discloses a further optimization scheme, the exit end of intake pipe passes through the air feed pipe network and connects a plurality of air feeder.
As the utility model discloses a further optimization scheme, the air feed pipe network includes that one, two or more whole are annular gas supply line, sets up with one heart, and a plurality of air feeder, gas supply line intercommunication intake pipe are connected at gas supply line's top.
As the utility model discloses a further optimization scheme, the gas supply pipe network includes that a plurality of uses cauldron body axle center as the radial gas supply line who distributes in center, and a plurality of gas supply line divide into a set of, two sets of or multiunit, and the intake pipe is connected to gas supply line's one end, and the gas supply ware is connected to the other end.
The beneficial effects of the utility model reside in that:
1) the utility model has the advantages of large air supply quantity, strong stirring, small resistance, high efficiency, low consumption, reliable operation, no blockage, aging resistance, corrosion resistance, long service life and the like;
2) the large amount of fine bubbles output by the gas supplier of the utility model greatly increases the surface area of gas-liquid contact, enlarges the reaction area, shortens the reaction time, increases the treatment efficiency and improves the production quality of gas reaction;
3) the utility model discloses a strong from stirring effect of a large amount of small bubbles during the air feed, no longer need dispose conventional gas-liquid reation kettle's agitating unit, can simplify the structure, reduce cost, if dispose agitating unit, can further improve the speed and the efficiency of gas-liquid reaction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
FIG. 2 is a schematic structural diagram of the present invention in the second embodiment;
FIG. 3 is a schematic structural diagram of the present invention in the third embodiment;
fig. 4 is a schematic structural view of an air supply pipe network according to the third embodiment of the present invention;
fig. 5 is a schematic structural view of an air supply pipe network according to the fourth embodiment of the present invention;
FIG. 6 is a schematic structural view of the present invention in the fifth embodiment;
fig. 7 is a schematic structural view of an air supply pipe network according to the fifth embodiment of the present invention;
fig. 8 is a schematic structural view of an air supply pipe network according to the sixth embodiment of the present invention.
In the figure: the device comprises a kettle body 1, a jacket 2, a feeding port 3, an exhaust port 4, a discharging port 5, a gas storage tank 6, a gas pump 7, a check valve 8, a gas inlet pipe 9, a gas feeder 10, a temperature controller 11, an electric heater 12, a temperature transmitter 13, a thermocouple 14, a water pump 15, a flow valve 16, a cooling water inlet 17, a cooling water outlet 18, a controller 19, a computer 20, a stirring motor 21, a stirring shaft 22, a stirrer 23 and a gas supply pipe network 24.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example one
As shown in fig. 1, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device and a control device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; air feeder includes gas holder 6, air pump 7, check valve 8, intake pipe 9 and air feeder 10, and the import of gas holder 6 connection air pump 7, the export of air pump 7 is passed through intake pipe 9 and is connected air feeder 10, is equipped with check valve 8 on the intake pipe 9, and the inside of the cauldron body 1 is located to air feeder 10. The air pump 7 pumps the air in the air storage tank 6 into the air feeder 10 through the air inlet pipe 9, and the air is distributed to the inside of the kettle body 1 through the air feeder 10.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15 and the flow valve 16. The controller 19 is connected to a computer 20.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid through a gas storage tank 6 sequentially by a gas pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, keeping the temperature of the reaction kettle constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, realizing closed-loop control of the temperature, carrying out normal reaction in the reaction kettle, and discharging incompletely reacted gas through an exhaust port 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
Example two
As shown in fig. 2, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device, a control device and a stirring device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; air feeder includes gas holder 6, air pump 7, check valve 8, intake pipe 9 and air feeder 10, and the import of gas holder 6 connection air pump 7, the export of air pump 7 is passed through intake pipe 9 and is connected air feeder 10, is equipped with check valve 8 on the intake pipe 9, and the inside of the cauldron body 1 is located to air feeder 10. The air pump 7 pumps the air in the air storage tank 6 into the air feeder 10 through the air inlet pipe 9, and the air is distributed to the inside of the kettle body 1 through the air feeder 10.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
Agitating unit include agitator motor 21, (mixing) shaft 22 and agitator 23, agitator motor 21's output shaft passes through the top of coupling joint (mixing) shaft 22, the lower extreme of (mixing) shaft 22 inserts in the cauldron body 1, and the fixed agitator 23 that is equipped with in lower part of (mixing) shaft 22. The stirring motor 21 drives the stirring shaft 22 to rotate, and then drives the stirrer 23 to rotate, so as to stir the materials in the kettle body 1.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15, the flow valve 16 and the stirring motor 21. The controller 19 is connected to a computer 20.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The stirring motor 21 is connected with a power supply through a relay, and a signal input end of the relay is connected with a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid sequentially through an air pump 7, a check valve 8, an air inlet pipe 9 and an air feeder 10 by an air storage tank 6, driving a stirring shaft 22 by a stirring motor 21, driving a stirrer 23 to rotate, and stirring reactants, wherein compared with the first embodiment without a stirring device, the second embodiment can further improve the speed and efficiency of gas-liquid reaction, in addition, the temperature of the reaction kettle is kept constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, so that closed-loop control of the temperature is realized, the reaction is normally carried out in the reaction kettle, and the incompletely reacted gas is discharged through an exhaust port 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
EXAMPLE III
As shown in fig. 3 and 4, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device and a control device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; the gas supply device comprises a gas storage tank 6, an air pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, the gas storage tank 6 is connected with an inlet of the air pump 7, an outlet of the air pump 7 is connected with the gas feeder 10 through the gas inlet pipe 9, the check valve 8 is arranged on the gas inlet pipe 9, and the gas feeder 10 is arranged inside the kettle body 1; the outlet end of the air inlet pipe 9 is connected with a plurality of air feeders 10 through an air supply pipe network 24. The air pump 7 pumps the air in the air storage tank 6 into an air supply pipe network 24 through an air inlet pipe 9, then enters the air feeder 10 from the air supply pipe network 24, and is distributed inside the kettle body 1 through the air feeder 10.
The gas supply pipe network 24 comprises a gas supply pipeline which is annular as a whole and is concentrically arranged, the gas supply pipeline is communicated with a gas inlet pipe, the top of the gas supply pipeline is connected with a plurality of gas suppliers 10, the center of the gas supply pipeline is provided with one gas supplier 10, and the gas supplier 10 is communicated with the gas supply pipeline through a connecting pipeline. The air supply duct communicates an air inlet pipe 9 and an air feeder 10.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15 and the flow valve 16.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid through a gas storage tank 6 sequentially by a gas pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, keeping the temperature of the reaction kettle constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, realizing closed-loop control of the temperature, carrying out normal reaction in the reaction kettle, and discharging incompletely reacted gas through an exhaust port 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
Example four
As shown in fig. 3 and 5, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device and a control device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; the gas supply device comprises a gas storage tank 6, an air pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, the gas storage tank 6 is connected with an inlet of the air pump 7, an outlet of the air pump 7 is connected with the gas feeder 10 through the gas inlet pipe 9, the check valve 8 is arranged on the gas inlet pipe 9, and the gas feeder 10 is arranged inside the kettle body 1; the outlet end of the air inlet pipe 9 is connected with a plurality of air feeders 10 through an air supply pipe network 24. The air pump 7 pumps the air in the air storage tank 6 into an air supply pipe network 24 through an air inlet pipe 9, then enters the air feeder 10 from the air supply pipe network 24, and is distributed inside the kettle body 1 through the air feeder 10.
The air supply pipe network 24 comprises two or more annular air supply pipelines which are integrally arranged concentrically, a plurality of air suppliers 10 are connected to the tops of the air supply pipelines, one air supplier 10 is arranged at the center of each air supply pipeline, and the air suppliers 10 are communicated with the air supply pipelines through connecting pipelines. The air supply duct communicates an air inlet pipe 9 and an air feeder 10.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15 and the flow valve 16.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid through an air pump 7, a check valve 8, an air inlet pipe 9, an air feeder 10 and an air supply pipe network 24 by an air storage tank 6 in sequence, keeping the temperature of the reaction kettle constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, realizing closed-loop control of the temperature, normally reacting in the reaction kettle, and discharging incompletely reacted gas through an air outlet 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
EXAMPLE five
As shown in fig. 6 and 7, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device and a control device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; the gas supply device comprises a gas storage tank 6, an air pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, the gas storage tank 6 is connected with an inlet of the air pump 7, an outlet of the air pump 7 is connected with the gas feeder 10 through the gas inlet pipe 9, the check valve 8 is arranged on the gas inlet pipe 9, and the gas feeder 10 is arranged inside the kettle body 1; the outlet end of the air inlet pipe 9 is connected with a plurality of air feeders 10 through an air supply pipe network 24. The air pump 7 pumps the air in the air storage tank 6 into an air supply pipe network 24 through an air inlet pipe 9, then enters the air feeder 10 from the air supply pipe network 24, and is distributed inside the kettle body 1 through the air feeder 10.
The gas supply pipe network 24 comprises a plurality of gas supply pipelines which are radially distributed by taking the axle center of the kettle body 1 as the center, one end of each gas supply pipeline is connected with the gas inlet pipe 9, and the other end of each gas supply pipeline is connected with the gas supplier 10. The center of the kettle body 1 is provided with an air feeder 10 which is directly connected with the air inlet pipe 9. The air supply duct communicates an air inlet pipe 9 and an air feeder 10.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15 and the flow valve 16.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid through an air pump 7, a check valve 8, an air inlet pipe 9, an air feeder 10 and an air supply pipe network 24 by an air storage tank 6 in sequence, keeping the temperature of the reaction kettle constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, realizing closed-loop control of the temperature, normally reacting in the reaction kettle, and discharging incompletely reacted gas through an air outlet 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
EXAMPLE six
As shown in fig. 6 and 8, a gas-liquid reaction kettle using a spherical-crown-shaped microporous corundum gas feeder comprises a reaction kettle body, a gas supply device, a heating device, a temperature measuring device, a cooling device and a control device; the reaction kettle body is connected with the gas supply device, the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device;
the reaction kettle body comprises a kettle body 1, wherein a feed inlet 3 and an exhaust outlet 4 are arranged at the top of the kettle body 1, and a discharge outlet 5 is arranged at the bottom of the kettle body; the gas supply device comprises a gas storage tank 6, an air pump 7, a check valve 8, a gas inlet pipe 9 and a gas feeder 10, the gas storage tank 6 is connected with an inlet of the air pump 7, an outlet of the air pump 7 is connected with the gas feeder 10 through the gas inlet pipe 9, the check valve 8 is arranged on the gas inlet pipe 9, and the gas feeder 10 is arranged inside the kettle body 1; the outlet end of the air inlet pipe 9 is connected with a plurality of air feeders 10 through an air supply pipe network 24. The air pump 7 pumps the air in the air storage tank 6 into an air supply pipe network 24 through an air inlet pipe 9, then enters the air feeder 10 from the air supply pipe network 24, and is distributed inside the kettle body 1 through the air feeder 10.
The gas supply pipe network 24 includes that a plurality of uses the 1 axle center of cauldron body as the radial gas supply line that distributes in center, and a plurality of gas supply line divide into two sets of or multiunit, and two sets of or multiunit gas supply line's length increases in proper order, and intake pipe 9 is connected to gas supply line's one end, and gas supply ware 10 is connected to the other end. The center of the kettle body 1 is provided with an air feeder 10 which is directly connected with the air inlet pipe 9. The air supply duct communicates an air inlet pipe 9 and an air feeder 10.
The two or more groups of gas supply pipelines are the same in number.
The heating device comprises a temperature controller 11 and an electric heater 12, the electric heater 12 is arranged in the kettle body 1, and the electric heater 12 is connected with a power supply through the temperature controller 11;
the temperature measuring device comprises a temperature transmitter 13 and a thermocouple 14, the thermocouple 14 is arranged in the kettle body 1, and the signal output end of the thermocouple 14 is connected with the signal input end of the temperature transmitter 13;
the cooling device comprises a jacket 2, a water pump 15 and a flow valve 16, the jacket 2 is arranged outside the kettle body 1, the water pump 15 is connected with a cooling water inlet 17 of the jacket 2 through the flow valve 16, and the jacket 2 is provided with a cooling water inlet 17 and a cooling water outlet 18. The water pump 15 is connected with a cold water outlet of the water cooler, and a cooling water outlet 18 of the jacket 2 is connected with a water return port of the water cooler.
The control device comprises a controller 19 and a computer 20, wherein the signal input end of the controller 19 is connected with the signal output end of the temperature transmitter 13, and the signal output end of the controller 19 is connected with the signal input ends of the air pump 7, the temperature controller 11, the water pump 15 and the flow valve 16.
The air pump 7 is connected with a power supply through a relay, and the signal input end of the relay is connected with the signal output end of the controller 19.
The water pump 15 is connected to a power supply through a relay, and a signal input end of the relay is connected to a signal output end of the controller 19.
The flow valve 16 is an electromagnetic flow valve 16, and a signal input end of the electromagnetic flow valve 16 is connected with a signal output end of the controller 19.
The gas supplier 10 is arranged at the bottom of the reaction kettle.
The top surface of the gas supplier 10 is a spherical surface, and the gas supplier is in a spherical crown shape.
The gas supplier 10 is an integrated gas supplier, has an integrated structure, and simultaneously discharges gas from the upper and lower surfaces.
The gas supplier 10 is a microporous corundum gas supplier 10.
The gas feeder 10 is formed by pressing, forming and sintering natural ceramic brown corundum with the granularity of 80-140 meshes at high temperature.
The porosity of the gas supplier 10 is 30 to 50%, and the average pore diameter is 100 to 200 um.
The diameter of the bubbles of the air supply of the air supplier 10 is 0.5-2 mm.
The air supply area of the air supplier 10 is 0.05-0.5 m2A/one.
When the method works, the specific steps are as follows:
s1, injecting the reaction liquid into the kettle body 1 through the feed inlet 3 on the kettle body 1;
s2, heating the reaction liquid to a set temperature by using an electric heater 12 connected with a temperature controller 11 according to the process requirement;
s3, filling small-bubble reaction gas into reaction liquid through an air pump 7, a check valve 8, an air inlet pipe 9, an air feeder 10 and an air supply pipe network 24 by an air storage tank 6 in sequence, keeping the temperature of the reaction kettle constant at the reaction temperature through the combined action of a heating device, a temperature measuring device, a cooling device and a control device, realizing closed-loop control of the temperature, normally reacting in the reaction kettle, and discharging incompletely reacted gas through an air outlet 4; wherein the temperature measuring device transmits the temperature data measured by the thermocouple 14 to the controller 19 through the temperature transmitter 13, and the controller 19 controls the heating, cooling and temperature rising and falling rates of the reaction kettle according to the deviation of the actual temperature and the set temperature; when cooling is needed, the water pump 15 is turned on, the cooling water enters the jacket 2 through the flow valve 16 and the cooling water inlet 17, so that the kettle body 1 is cooled, and finally the cooling water is discharged through the cooling water outlet 18, the opening size of the flow valve 16 is controlled, so that the flow of the cooling water can be controlled, and the cooling rate is adjusted; when heating is needed, the electric heater 12 is turned on, and the temperature rising rate can be controlled by adjusting the current.
And S4, after the reaction is finished, closing the air pump 7, wherein the check valve 8 can prevent the liquid in the gas-liquid reaction kettle from flowing backwards, and simultaneously, the temperature in the reaction kettle is reduced to a certain degree by using a cooling device.
And S5, discharging the reaction product through a discharge port 5.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. The utility model provides an adopt gas-liquid reation kettle of spherical micropore corundum air feeder, includes reation kettle body and air feeder, its characterized in that: the reaction kettle body comprises a kettle body, the gas supply device comprises a gas feeder, the gas feeder is arranged inside the kettle body, the top surface of the gas feeder is a spherical surface, the shape of the gas feeder is spherical, the gas feeder is of an integrated structure, and the upper surface and the lower surface of the gas feeder are simultaneously discharged.
2. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 1 is characterized in that: the air feeder is a micropore corundum air feeder.
3. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 1 is characterized in that: the porosity of the gas supplier is 30-50%, and the average pore diameter is 100-200 um.
4. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 1 is characterized in that: the diameter of bubbles of the air supplied by the air supplier is 0.5-2 mm; the air supply area of the air supply device is 0.05-0.5 m2A/one.
5. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 1 is characterized in that: the air supply device further comprises an air storage tank, an air pump, a check valve and an air inlet pipe, the air supplier is connected with the outlet of the air pump through the air inlet pipe, the inlet of the air pump is connected with the air storage tank through a pipeline, and the check valve is arranged on the air inlet pipe.
6. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 1 is characterized in that: the reaction kettle body is connected with the heating device, the temperature measuring device and the cooling device, and the gas supply device, the heating device, the temperature measuring device and the cooling device are connected with the control device.
7. The gas-liquid reaction kettle adopting the spherical-crown-shaped micropore corundum gas feeder according to claim 5 is characterized in that: the outlet end of the air inlet pipe is connected with a plurality of air feeders through an air supply pipe network.
8. The gas-liquid reaction kettle adopting the spherical-crown-shaped microporous corundum gas feeder according to claim 7 is characterized in that: the air supply pipe network comprises one, two or more annular air supply pipelines which are integrally arranged concentrically, a plurality of air feeders are connected to the tops of the air supply pipelines, and the air supply pipelines are communicated with the air inlet pipe.
9. The gas-liquid reaction kettle adopting the spherical-crown-shaped microporous corundum gas feeder according to claim 7 is characterized in that: the gas supply pipe network includes that a plurality of uses cauldron body axle center as the radial gas supply line who distributes in center, and a plurality of gas supply line divide into a set of, two sets of or multiunit, and the intake pipe is connected to gas supply line's one end, and the gas supply ware is connected to the other end.
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| CN110404485A (en) * | 2019-09-02 | 2019-11-05 | 铜陵学院 | A kind of gas liquid reaction kettle using spherical micropore corundum steam-supplying device |
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