CN114534676B - Specific stirring device and method for gas-liquid (solid) reaction - Google Patents
Specific stirring device and method for gas-liquid (solid) reaction Download PDFInfo
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- CN114534676B CN114534676B CN202210252970.5A CN202210252970A CN114534676B CN 114534676 B CN114534676 B CN 114534676B CN 202210252970 A CN202210252970 A CN 202210252970A CN 114534676 B CN114534676 B CN 114534676B
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- 238000003756 stirring Methods 0.000 title claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 239000007787 solid Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000002627 tracheal intubation Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention provides a specific stirring device and a specific stirring method for gas-liquid (solid) reaction, wherein the stirring device comprises a stirring shaft, an air inlet mechanism and a stirring mechanism, the stirring mechanism comprises a combined stirrer and a bottom stirrer, and the stirring shaft rotates to drive the combined stirrer and the bottom stirrer to rotate so as to realize stirring; the air inlet mechanism comprises an air inlet regulating valve and an air inlet pipe, the bottom of the air inlet pipe is communicated with an air guide blade, and the air guide blade is fixedly arranged on the stirring shaft; the working method of the stirring device realizes stirring through a plurality of steps; the special stirring device for gas-liquid (solid) reaction is suitable for gas-liquid reaction, gas-liquid-solid reaction and catalytic hydrogenation reaction, can realize complete contact and mixing reaction of gas and liquid or liquid and solid, efficiently utilizes the detention gas in a gas phase space, enables the gas to enter the liquid for complete reaction, can adjust the air inflow and stirring angle according to the reaction requirement, ensures the effect of high quality and high efficiency output, and effectively reduces the production cost.
Description
Technical Field
The invention relates to the field of chemical reaction stirring devices, in particular to a gas-liquid (solid) reaction special-effect stirring device and a method.
Background
The gas-liquid and gas-liquid-solid (catalytic) reactions occupy a proportion of about 80% in the chemical industry, the effect of the reactions plays a vital role in the development of the chemical industry, the research and development of the chemical industry and the equipment field and the pursuit direction are all the time, the effects of saving resources, high reaction efficiency, high product yield, good product quality, safety, environmental protection, emission reduction and the like are hoped to be realized, and simultaneously, the energy utilization, environmental pollution attention and cognition degree are continuously deepened in various industries, the chemical product quality requirements are continuously improved in the market and the competition of the product market is greatly critical, and the cost control is extremely critical. At present, most chemical stirring devices at home and abroad realize stirring work in the forms of single submerged air entrainment, self-priming stirring and the like, the reaction efficiency is not very high, the cost reduction range is lower, and particularly, the reaction is carried out under the condition that two or more gases and a catalyst participate in the reaction; therefore, a new and better apparatus is needed in the market to achieve the effects of improving the reaction efficiency, reducing the cost, and ensuring high quality and high efficiency.
Disclosure of Invention
In order to achieve the above purpose, the invention adopts the following technical scheme: the stirring mechanism comprises a combined stirrer and a bottom stirrer, the bottom stirrer is fixedly arranged at the bottom of the stirring shaft, the combined stirrer is movably arranged on the stirring shaft, and the stirring shaft rotates to drive the combined stirrer and the bottom stirrer to rotate so as to realize stirring;
the air inlet mechanism comprises an air inlet regulating valve and an air inlet pipe, the air inlet regulating valve is arranged at the top of the air inlet pipe, and the air inlet amount is controlled through the air inlet regulating valve; the bottom of the air inlet pipe is communicated with an air guide blade which is fixedly arranged on the stirring shaft.
The combined stirrer further comprises a paddle, a paddle sleeve and a paddle connecting handle, wherein the paddle sleeve is sleeved on the stirring shaft; the blade is connected with the pulp sleeve through the blade connecting handle.
Further, the number of the paddles is multiple, the number of the paddle connecting handles is multiple, and the multiple paddles are correspondingly connected with the multiple paddle connecting handles one by one; the plurality of paddles are circumferentially arranged with the axis of the paddle sleeve as the center.
Further, the combined stirrer comprises a paddle adjustment linkage device, wherein the paddle adjustment linkage device comprises a paddle sleeve annular gear, and the paddle sleeve annular gear is arranged in the paddle sleeve; one end of each of the plurality of blade connecting handles is connected with the corresponding blade, and the other end of each of the plurality of blade connecting handles is provided with a gear matched with the inner gear ring of the blade sleeve;
the gears of the plurality of blade connecting handles are inserted into the blade sleeve and are meshed with the inner gear ring of the blade sleeve, and the angle of one blade is changed to realize synchronous adjustment of the angles of all blades through the cooperation of the gears and the inner gear ring of the blade sleeve.
Further, a cannula is arranged on the pulp sleeve and is matched with one end of the pulp blade connecting handle provided with a gear; the combined stirrer comprises an angle fixing device, wherein the angle fixing device comprises an elastic fastening sleeve and a fastening nut, and the elastic fastening sleeve is sleeved on one end of the blade connecting handle provided with a gear and is inserted into the insertion tube;
the outer wall of the intubation tube is provided with external threads, the fastening nut is sleeved outside the intubation tube and is in threaded connection with the intubation tube, the elastic fastening sleeve is pushed to move inwards of the intubation tube by twisting the fastening nut, and the blade connecting handle is fixed by self-tightening of the conical surface of the elastic fastening sleeve, so that the angle of the blade is fixed.
Further, the air inlet pipe is a combined air inlet pipe, the combined air inlet pipe comprises an upper air guide pipe and a lower air guide pipe, and the upper air guide pipe is connected with the lower air guide pipe through an air guide pipe clamp.
Further, sealing rings are adopted to seal the upper air duct and the lower air duct.
Further, the lower end face of the upper air duct is provided with an upward concave groove; the upper end face of the lower air duct is provided with an upward protruding bulge which is matched with the groove.
Further, the arc inner side wall of the air guide blade is provided with an air outlet.
The working method of the gas-liquid (solid) reaction special-effect stirring device is as follows:
the stirring shaft rotates to drive the combined stirrer, the bottom stirrer and the air guide blade to synchronously rotate; in the rotating process, liquid in the air guide blade is discharged under the action of centrifugal force, vacuum is formed in the air guide blade, at the moment, gas above the liquid level rapidly enters the air inlet pipe through the air inlet regulating valve, the gas rapidly enters the air guide blade under the action of vacuum attraction force, the gas is discharged through the air outlet hole and enters the liquid, the gas fully and comprehensively contacts with the solid and the liquid turned up by the bottom stirrer for reaction, and meanwhile, the blades of the combined stirrer instantly scatter the air flow discharged by the air guide blade, so that the gas is uniformly dispersed in all directions of the liquid, and the reaction space and the contact area of the gas are larger and more uniform;
when the air inflow of the air inlet pipe is regulated, the relative position relation between the valve core of the air inlet valve and the valve body of the air inlet valve is regulated, so that the valve core and the opening part of the valve body are regulated and changed within the maximum range from closed to fully opened, and the area of a passage hole for air to enter the air inlet pipe is changed, thereby realizing the control of the air inflow;
when the angle of the blades is adjusted, the angle fixing device is used for removing the fixing of the angle of the blades, the angle of one blade is adjusted, the blades rotate in the vertical plane to drive the gears on the blade connecting handles to rotate, the gears rotate to drive the inner gear ring of the blade sleeve to rotate, and the inner gear ring of the blade sleeve rotates to drive other blades meshed with the inner gear ring of the blade sleeve to synchronously rotate, so that synchronous angle linkage adjustment of a plurality of blades is realized.
The special stirring device for gas-liquid (solid) reaction is suitable for gas-liquid reaction, gas-liquid (catalytic) reaction and catalytic hydrogenation reaction, can realize complete and full contact and mixing reaction of gas, liquid or liquid and solid (catalyst), efficiently utilizes the detention gas in a gas phase space, enables the gas to enter the liquid for full reaction, can adjust the air inflow and stirring angle according to the reaction requirement, improves the reaction efficiency, ensures the effect of high quality and high efficiency output, and effectively reduces the production cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a specific stirring device for gas-liquid (solid) reaction.
Fig. 2 is a schematic structural view of the combined stirrer.
Fig. 3 is an enlarged view of a portion of the blade adjustment linkage and angle fixing device of fig. 2.
Fig. 4 is an exploded view of the combination mixer.
Fig. 5 is a schematic diagram of the connection relationship between the upper airway and the lower airway.
Fig. 6 is an enlarged view of a portion of the junction between the upper and lower airways of fig. 5.
Fig. 7 is a schematic diagram showing the positional relationship between the intake air adjusting valve and the upper air duct.
Fig. 8 is a schematic structural view of a ring gear of a slurry cover.
Fig. 9 is a schematic structural view of an elastic fastening sleeve.
The symbols in the drawings illustrate:
1. a stirring shaft; 2. a bottom layer stirrer; 3. an intake air regulating valve; 4. a gas guiding blade; 5. an air outlet hole; 6. a paddle; 7. a slurry sleeve; 8. a blade connecting handle; 9. a gear; 10. slurry sleeve inner gear ring; 11. a cannula; 12. an elastic fastening sleeve; 13. a fastening nut; 15. an upper airway; 16. a lower airway; 17. an airway tube clamp; 18. a seal ring; 19, grooves; 20. a protrusion; 23. balance fixing ring; 25. a valve core of the air inlet valve; 26. an intake valve body.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The specific stirring device and method for gas-liquid (solid) reaction provided by the embodiment of the invention are now described.
The special stirring device for gas-liquid (solid) reaction is suitable for gas-liquid reaction, gas-liquid (catalytic) reaction and catalytic hydrogenation reaction, can realize complete and full contact and mixing reaction of gas, liquid or liquid and solid (catalyst), efficiently utilizes the detention gas in a gas phase space, enables the gas to enter the liquid for full reaction, can adjust the air inflow and stirring angle according to the reaction requirement, improves the reaction efficiency, ensures the effect of high quality and high efficiency output, and effectively reduces the production cost.
As shown in fig. 1, the special stirring device for gas-liquid (solid) reaction comprises a stirring shaft 1, an air inlet mechanism and a stirring mechanism, wherein the stirring shaft 1 is driven by a driving device to perform rotary motion; the stirring shaft 1 rotates to drive the air inlet mechanism and the stirring mechanism to synchronously move.
The stirring mechanism comprises a combined stirrer and a bottom stirrer 2, the bottom stirrer 2 is fixedly arranged at the bottom of the stirring shaft 1, the combined stirrer is movably arranged on the stirring shaft 1, and the stirring shaft rotates to drive the combined stirrer and the bottom stirrer to rotate so as to realize stirring.
As shown in fig. 2 and 4, the combined stirrer comprises a paddle 6, a paddle sleeve 7 and a paddle connecting handle 8, wherein the paddle sleeve 7 is sleeved on the stirring shaft 1; the blade 6 is connected with the blade sleeve 7 through a blade connecting handle 8; the blade 6 is connected with the blade connecting handle 8 into a whole through bolts. According to the actual reaction requirement, the stirrer can be changed into various different types of stirrers by changing the type of the blade 6, so that the requirements of various materials and reaction conditions are met.
The number of the paddles 6 is multiple, the number of the paddle connecting handles 8 is multiple, and the multiple paddles are correspondingly connected with the multiple paddle connecting handles one by one; the plurality of paddles are circumferentially arranged with the axis of the paddle sleeve as the center.
As shown in fig. 3, the combined stirrer comprises a blade adjustment linkage, wherein the blade adjustment linkage comprises a slurry cover annular gear 10, and the slurry cover annular gear is arranged in a slurry cover 7; one end of each of the plurality of blade connecting handles is connected with the corresponding blade, and the other end of each of the blade connecting handles is provided with a gear 9 matched with the inner gear ring 10 of the blade sleeve; the gears of the plurality of blade connecting handles are inserted into the blade sleeve 7 and are meshed with the inner gear ring 10 of the blade sleeve, and the angle of one blade is changed to realize synchronous adjustment of the angles of all blades through the cooperation of the gears and the inner gear ring of the blade sleeve. The blades can realize linkage adjustment, and the catalysts are promoted to turn up by synchronously adjusting the blades into the modes of upturning, pressing down, flat pushing and the like according to the reaction requirement, so that the utilization rate and the contact rate of the catalysts are improved, the mutual contact reaction space of materials is larger and more uniform, and the reaction rate and the product yield are improved.
The pulp sleeve 7 is provided with an insertion pipe 11, and the insertion pipe 11 is matched with one end of the pulp blade connecting handle provided with a gear; the combined stirrer comprises an angle fixing device, wherein the angle fixing device comprises an elastic fastening sleeve 12 and a fastening nut 13, and the elastic fastening sleeve 12 is sleeved on one end of the blade connecting handle provided with a gear and is inserted into the insertion tube 11;
the outer wall of the insertion tube 11 is provided with external threads, the fastening nut 13 is sleeved outside the insertion tube and is in threaded connection with the insertion tube, the elastic fastening sleeve is pushed to move inwards of the insertion tube by twisting the fastening nut, and the blade connecting handle is fixed by self-tightening of the conical surface of the elastic fastening sleeve, so that the angle of the blade is fixed.
When the angle of the blade is adjusted, the fastening nut is twisted to remove the limitation of the angle fixing device on the angle of the blade, then the angle of one blade in the vertical plane is adjusted, the blade rotates in the vertical plane to drive the blade connecting handle connected with the blade to rotate, the blade connecting handle rotates to drive the gear to rotate, and the gear drives the inner gear ring 10 of the blade sleeve meshed with the gear to rotate; because the gears on the blade connecting handles which are correspondingly connected with the plurality of blades are meshed with the inner gear ring 10 of the blade sleeve, the rotation of the inner gear ring 10 of the blade sleeve can drive other blades to synchronously rotate, so that the synchronous linkage adjustment of the angles of the plurality of blades is realized; after the angles of the blades are adjusted, the twisting fastening nuts limit and fix the angles of the blades through the angle fixing device.
The combined stirrers can be arranged in a plurality according to the actual reaction requirement, and the combined stirrers are arranged on the stirring shaft 1 from top to bottom at intervals; the vertical position of the combined stirrers on the stirring shaft 1 can be adjusted according to the requirements. Be provided with vertical direction parallel key on (mixing) shaft 1, the thick liquid cover of combination formula agitator can reciprocate along the direction parallel key, is fixed in the (mixing) shaft with thick liquid cover through holding screw after the thick liquid cover removes required position, realizes the fixed to the vertical position of combination formula agitator on the (mixing) shaft.
The mutual positions among the combined stirrers are adjusted through the guide flat keys and the set screws, and the types of the blades are detached and replaced to increase or reduce different stirrer types, so that the multilayer and multi-type combined mode of the stirrer can be realized, the stirring is carried out to disperse gas more uniformly, the gas and liquid and solid (catalyst) are fully contacted in a container in all directions, the contact time is prolonged, the requirements of different technological reactions are met, the reactions are promoted to achieve more ideal effects, the reactions are more thorough, uniform and efficient, the reactions are promoted, the product quality and the yield are improved, and better self-absorption and stirring effects are achieved, so that the rotating speed of a driving device can be reduced, the power is reduced, and the energy saving and consumption reduction effects are achieved.
As shown in fig. 7, the air inlet mechanism comprises an air inlet regulating valve 3 and an air inlet pipe, wherein the air inlet regulating valve 3 is arranged at the top of the air inlet pipe, and the air inlet amount is controlled through the air inlet regulating valve; according to the actual reaction requirement, the relative position relation between the valve core of the air inlet valve and the valve body of the air inlet valve is rotationally adjusted, so that the valve core and the opening part of the valve body are adjusted and changed within the maximum range from closing to full opening, and the area of a passage hole for gas to enter the air inlet pipe is changed, thereby realizing the control of the size of the air inflow.
The intake pipe can be set up to a plurality ofly according to reaction actual need, is connected through balanced retainer plate 23 between a plurality of intake pipes, and the setting of balanced retainer plate is used for realizing fixed balance and connection to a plurality of intake pipes. The bottoms of the air inlet pipes are communicated with air guide blades 4, and the air guide blades 4 are fixedly arranged on the stirring shaft 1; the arc inner side wall of the air guide blade 4 is provided with an air outlet hole 5.
As shown in fig. 5 and 6, the air inlet pipe is a combined air inlet pipe, and the combined air inlet pipe comprises an upper air guide pipe 15 and a lower air guide pipe 16, and the upper air guide pipe is connected with the lower air guide pipe through an air guide pipe clamp 17. The upper air duct 15 and the lower air duct 16 are sealed by a sealing ring 18. The lower end surface of the upper air duct 15 is provided with an upward concave groove 19; the upper end face of the lower air duct 16 is provided with an upward protruding bulge 20, and the bulge is matched with the groove to realize concave-convex connection of the upper air duct and the lower air duct.
According to the working conditions, the charging coefficient, the gas condition and the like of the process reaction equipment, the height of the extending liquid surface of the gas inlet pipe and the length of the gas space with different densities of each symmetrical gas inlet pipe can be adjusted, the upper gas guide pipe and the lower gas guide pipe adopt a concave-convex connection mode, the alignment and the positioning are convenient during the assembly, the straightness and the verticality are ensured, the eccentricity is avoided during the operation, and the connection parts of the upper gas guide pipe and the lower gas guide pipe are sealed; the upper and lower air guide pipes are sealed by adopting the sealing rings, double sealing is realized by matching with the concave-convex connection mode, the gas is ensured not to leak, the reaction required gas and the reaction effect are ensured, and meanwhile, the upper and lower air guide pipes are fastened and connected by adopting the air guide pipe clamp, so that the beneficial effect of rapid and convenient assembly is achieved.
The working method of the gas-liquid (solid) reaction special-effect stirring device comprises the following steps: the stirring shaft rotates to drive the combined stirrer, the bottom stirrer and the air guide blade to synchronously rotate; in the rotating process, liquid in the air guide blade is discharged under the action of centrifugal force, vacuum is formed in the air guide blade, at the moment, gas above the liquid level rapidly enters the air inlet pipe through the air inlet regulating valve, the gas rapidly enters the air guide blade under the action of vacuum attraction force, the gas is discharged through the air outlet hole and enters the liquid, the gas fully and comprehensively contacts with the solid (catalyst) turned up by the bottom stirrer and the liquid to react, and meanwhile, the blade of the combined stirrer instantaneously breaks up the air flow discharged by the air guide blade, so that the gas is uniformly dispersed in all directions of the liquid, and the reaction space and the contact area of the gas are larger and more uniform;
when the air inflow of the air inlet pipe is regulated, the relative position relation between the valve core of the air inlet valve and the valve body of the air inlet valve is regulated, so that the valve core and the opening part of the valve body are regulated and changed within the maximum range from closed to fully opened, and the area of a passage hole for air to enter the air inlet pipe is changed, thereby realizing the control of the air inflow;
when the angle of the blades is adjusted, the angle fixing device is used for removing the fixing of the angle of the blades, the angle of one blade is adjusted, the blades rotate in the vertical plane to drive the gears on the blade connecting handles to rotate, the gears rotate to drive the inner gear ring of the blade sleeve to rotate, and the inner gear ring of the blade sleeve rotates to drive other blades meshed with the inner gear ring of the blade sleeve to synchronously rotate, so that synchronous angle linkage adjustment of a plurality of blades is realized.
Compared with the prior art, the special stirring device for the gas-liquid (solid) reaction has the following advantages:
1) The combined stirrer can be changed into different types of stirrers according to different reaction requirements by changing the types of the blades, so that the requirements of various materials and flow fields are met; the combined stirrer is provided with a blade adjusting linkage device, so that linkage adjustment of each blade can be realized, 0-360-degree synchronous free rotation among a plurality of blades can be realized at the same time, and the blades are adjusted to be turned up, pressed down, pushed horizontally and the like at any angle so as to meet the stirring requirements of different reaction flow fields and materials; the arrangement of the blade adjusting linkage device also ensures that the angle of each blade is more uniform, the angle of each blade has no deviation, and dynamic and static balance tests do not need to be carried out again, so that the blade angle adjustment is faster and more convenient, and the operation is simple;
2) The combined stirrers can realize multi-layer stirring, and blades of different types are replaced according to the requirements to realize the multi-type combination of the stirrers, so that the requirements of different technological reactions are met, the combined stirrer is suitable for different reaction materials and the viscosity characteristics of the materials, and the reaction effect is better; the structure is reduced, the manufacture and the maintenance are convenient, and the purposes of practicality and improvement of the reaction effect are achieved; meanwhile, according to the change of the blade angle and the change of the blade type, the rotating speed of the driving device can be adjusted at any time, so that the power is saved, and the effects of safety, high efficiency and energy conservation are achieved;
3) The air inlet mechanism can adjust the air inflow according to the requirements of different reaction mechanisms on the air quantity, and the valve core and the valve body of the air inlet valve are adjusted and changed within the maximum range from being closed to being fully opened by adjusting the relative position relation of the valve core of the air inlet valve and the valve body of the air inlet valve, so that the area of a passage hole for the air to enter the air inlet pipe is changed, the air inflow is controlled, the air is effectively saved and utilized, and the effects of high efficiency and energy conservation are achieved;
4) The upper air guide pipe and the lower air guide pipe of the air inlet pipe are connected in a concave-convex mode, so that centering and positioning are convenient during assembly, and straightness and verticality are ensured; the upper and lower air guide pipes are sealed by sealing rings, so that the gas is prevented from leaking, and the gas and the effect required by the reaction are ensured; the upper air duct and the lower air duct are fastened and connected by adopting the air duct clamp, so that the assembly is rapid and convenient.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A gas-liquid or gas-liquid-solid reaction stirring device is characterized in that: the stirring device comprises a stirring shaft (1), an air inlet mechanism and a stirring mechanism, wherein the stirring mechanism comprises a combined stirrer and a bottom layer stirrer (2), the bottom layer stirrer (2) is fixedly arranged at the bottom of the stirring shaft (1), the combined stirrer is movably arranged on the stirring shaft (1), and the stirring shaft rotates to drive the combined stirrer and the bottom layer stirrer to rotate so as to realize stirring;
the air inlet mechanism comprises an air inlet regulating valve (3) and an air inlet pipe, wherein the air inlet regulating valve (3) is arranged at the top of the air inlet pipe, and the air inlet amount is controlled through the air inlet regulating valve; the bottom of the air inlet pipe is communicated with the air guide blade (4), and the air guide blade (4) is fixedly arranged on the stirring shaft (1);
the combined stirrer comprises paddles (6), a paddle sleeve (7) and a paddle connecting handle (8), wherein the paddle sleeve (7) is sleeved on the stirring shaft (1); the paddle (6) is connected with the paddle sleeve (7) through a paddle connecting handle (8);
an insertion pipe (11) is arranged on the paddle sleeve (7), and the insertion pipe (11) is matched with one end of the paddle connecting handle, which is provided with a gear; the combined stirrer comprises an angle fixing device, wherein the angle fixing device comprises an elastic fastening sleeve (12) and a fastening nut (13), and the elastic fastening sleeve (12) is sleeved on one end of the blade connecting handle provided with a gear and is inserted into the insertion tube (11);
the outer wall of the insertion pipe (11) is provided with external threads, the fastening nut (13) is sleeved outside the insertion pipe and is in threaded connection with the insertion pipe, the elastic fastening sleeve is pushed to move inwards by twisting the fastening nut, and the blade connecting handle is fixed by self-tightening of the conical surface of the elastic fastening sleeve, so that the angle of the blade is fixed;
an air outlet hole (5) is formed in the arc-shaped inner side wall of the air guide blade (4);
the number of the paddles (6) is multiple, the number of the paddle connecting handles (8) is multiple, and the paddles are correspondingly connected with the paddle connecting handles one by one; the plurality of paddles are arranged around the axis of the paddle sleeve;
the combined stirrer comprises a blade adjusting linkage device, wherein the blade adjusting linkage device comprises a blade sleeve inner gear ring (10), and the blade sleeve inner gear ring is arranged in a blade sleeve (7); one end of each blade connecting handle is connected with the corresponding blade, and the other end of each blade connecting handle is provided with a gear (9) matched with the inner gear ring (10) of the blade sleeve;
gears of the blade connecting handles are inserted into the blade sleeve (7) and are meshed with the inner gear ring (10) of the blade sleeve, and the angle of one blade is changed to realize synchronous angle adjustment of all blades through the cooperation of the gears and the inner gear ring of the blade sleeve.
2. The gas-liquid or gas-liquid-solid reaction stirring device according to claim 1, wherein: the air inlet pipe is a combined air inlet pipe, and comprises an upper air guide pipe (15) and a lower air guide pipe (16), wherein the upper air guide pipe is connected with the lower air guide pipe through an air guide pipe clamp (17).
3. The gas-liquid or gas-liquid-solid reaction stirring device according to claim 2, wherein: the upper air duct (15) and the lower air duct (16) are sealed by a sealing ring (18).
4. The gas-liquid or gas-liquid-solid reaction stirring device according to claim 2, wherein: the lower end face of the upper air duct (15) is provided with an upward concave groove (19); the upper end face of the lower air duct (16) is provided with a bulge (20) protruding upwards, and the bulge is matched with the groove.
5. A method of operating a gas-liquid or gas-liquid-solid reaction stirring device as claimed in any one of claims 1 to 4, characterized in that: the method comprises the following steps:
the stirring shaft rotates to drive the combined stirrer, the bottom stirrer and the air guide blade to synchronously rotate; in the rotating process, liquid in the air guide blade is discharged under the action of centrifugal force, vacuum is formed in the air guide blade, at the moment, gas above the liquid level rapidly enters the air inlet pipe through the air inlet regulating valve, the gas rapidly enters the air guide blade under the action of vacuum attraction, the gas is discharged through the air outlet hole and enters the liquid, the gas fully and comprehensively contacts materials turned up by the bottom stirrer to react, and meanwhile, the blades of the combined stirrer instantly scatter air flow discharged by the air guide blade, so that the gas is uniformly dispersed in all directions of the liquid, and the reaction space and the contact area of the gas are larger and more uniform;
when the air inflow of the air inlet pipe is regulated, the relative position relation between the valve core of the air inlet valve and the valve body of the air inlet valve is regulated, so that the valve core and the opening part of the valve body are regulated and changed within the maximum range from closed to fully opened, and the area of a passage hole for air to enter the air inlet pipe is changed, thereby realizing the control of the air inflow;
when the angle of the blade is adjusted, the angle fixing device is used for removing the fixing of the angle of the blade, the angle of one blade is adjusted, the blade rotates in the vertical plane to drive the gear on the blade connecting handle to rotate, the gear rotates to drive the inner gear ring of the blade sleeve to rotate, and the inner gear ring of the blade sleeve rotates to drive other blades meshed with the inner gear ring to synchronously rotate, so that synchronous angle linkage adjustment of a plurality of blades is realized.
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| KR100888691B1 (en) * | 2007-09-20 | 2009-03-13 | 김기암 | Self-sustaining bubble generator and self-sustaining air flotation separator |
| JP2012040556A (en) * | 2011-09-27 | 2012-03-01 | Mitsubishi Heavy Ind Ltd | Stirring method of fluid and arm rotation type sparger |
| CN104772083A (en) * | 2015-03-18 | 2015-07-15 | 四川中哲新材料科技有限公司 | Gas-liquid mixing and stirring device |
| CN207430300U (en) * | 2017-11-10 | 2018-06-01 | 威海化工机械有限公司 | A kind of hydrogenation reaction kettle |
| CN207769796U (en) * | 2017-12-28 | 2018-08-28 | 湖北朗昕生化药业有限公司 | A kind of adjustable-angle blender |
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|---|---|---|---|---|
| KR100888691B1 (en) * | 2007-09-20 | 2009-03-13 | 김기암 | Self-sustaining bubble generator and self-sustaining air flotation separator |
| JP2012040556A (en) * | 2011-09-27 | 2012-03-01 | Mitsubishi Heavy Ind Ltd | Stirring method of fluid and arm rotation type sparger |
| CN104772083A (en) * | 2015-03-18 | 2015-07-15 | 四川中哲新材料科技有限公司 | Gas-liquid mixing and stirring device |
| CN207430300U (en) * | 2017-11-10 | 2018-06-01 | 威海化工机械有限公司 | A kind of hydrogenation reaction kettle |
| CN207769796U (en) * | 2017-12-28 | 2018-08-28 | 湖北朗昕生化药业有限公司 | A kind of adjustable-angle blender |
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