CN116236954A - Circulation stirring device for reaction kettle - Google Patents
Circulation stirring device for reaction kettle Download PDFInfo
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- CN116236954A CN116236954A CN202310163650.7A CN202310163650A CN116236954A CN 116236954 A CN116236954 A CN 116236954A CN 202310163650 A CN202310163650 A CN 202310163650A CN 116236954 A CN116236954 A CN 116236954A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
- B01F27/922—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws with two or more helices, e.g. with intermeshing helices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/33—Transmissions; Means for modifying the speed or direction of rotation
- B01F35/333—Transmissions; Means for modifying the speed or direction of rotation the rotation sense being changeable, e.g. to mix or aerate, to move a fluid forward or backward or to suck or blow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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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
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of stirring, in particular to a circulating stirring device for a reaction kettle, which comprises a high-temperature kettle, a cooling kettle and a liquid crystal display screen, wherein the high-temperature kettle comprises a well-type electric furnace and a first stirring device and is used for stirring materials and uniformly heating the materials to a preset temperature, the cooling kettle comprises a cooling interlayer and a second stirring device and is used for stirring the materials and uniformly cooling the materials to the preset temperature, and the liquid crystal display screen comprises a central processor and is used for respectively adjusting the current resistance of a heating resistance wire and the opening and closing degree of an electric control valve according to the comparison result of the current temperature and the preset temperature. According to the invention, through the first stirring blade and the second stirring blade which are arranged in the specified shape, more disordered movement internal circulation movement tracks can be obtained when materials are stirred, so that the materials are more fully stirred, the stirring efficiency and the production efficiency are increased, and the economic benefit is enlarged.
Description
Technical Field
The invention relates to the technical field of stirring, in particular to a circulating stirring device for a reaction kettle.
Background
In the coating and granulating of lithium battery cathode materials, a stirred tank reactor is widely adopted, commonly called a reaction tank, is suitable for the reaction of various phase lithium battery cathode materials, is provided with various stirring and heat transfer devices in different types, can adapt to the reactions of materials with different properties and different heat effects so as to keep the reaction materials flowing, mixing and heat transferring reasonably in the tank, generally comprises a high-temperature tank and a cooling tank, a helical blade is arranged in the high-temperature tank, a heating resistance wire is arranged outside the high-temperature tank, and the helical blade in the cooling tank is provided with the helical blade in the prior art.
Chinese patent publication No.: CN101822967B discloses a stirring device of a reaction kettle, comprising: a rotation shaft; an outer spiral ring disposed around the rotation shaft; a plurality of support plates which are sequentially installed on the rotation shaft in a 90-degree phase difference asymmetrically in a radial direction and have a first end which is farther from a central axis of the rotation shaft than a second end, wherein the first end is connected to the outer spiral ring; and a plurality of paddles forming an intermittent spiral ring along the axis of the rotation shaft and respectively mounted on the second ends of the plurality of support plates, the spiral direction of the intermittent spiral ring being opposite to the spiral direction of the outer spiral ring. The stirring device of the reaction kettle has reasonable structural design, multiple material movement forms during stirring, full stirring, improved efficiency and difficult accumulation of materials; therefore, the stirring device of the reaction kettle has low stirring intelligent degree in the stirring process, and the corresponding stirring rotating speed and stirring direction cannot be adjusted according to the actual conditions in the kettle, so that the problem of low stirring intelligent degree still exists.
Disclosure of Invention
Therefore, the invention provides a circulating stirring device for a reaction kettle, which is used for solving the problem that the track of the stirred material flow is changed due to the fact that the stirring rotation speed can not be correspondingly regulated according to the actual situation in the kettle in the prior art.
In order to achieve the above purpose, the invention provides a circulating stirring device for a reaction kettle, which comprises a high-temperature kettle, a cooling kettle and a liquid crystal display screen, wherein,
the high-temperature kettle is connected with the cooling kettle and comprises a well-type electric furnace and a first stirring device, the well-type electric furnace is arranged outside the high-temperature kettle and is provided with a heating resistance wire, the heating resistance wire is used for heating the high-temperature kettle, and the first stirring device is arranged in the high-temperature kettle and is used for stirring materials and uniformly heating the materials to a preset temperature;
the first stirring device comprises a first power device, a first stirring shaft, a first stirring blade and a first temperature detection sensor, wherein the first power device is arranged above the high-temperature kettle and is connected with the first stirring shaft, the first power device is used for providing stirring power for the first stirring shaft, the first stirring shaft is arranged in the high-temperature kettle and is provided with a plurality of first cylindrical sections, the first cylindrical sections are used for supporting the first stirring blade, the first stirring shaft is used for driving the first stirring blade to rotate, the first stirring blade comprises an outer ring forward spiral belt, an inner ring reverse spiral belt, a turnover plow plate and side scrapers, the outer ring forward spiral belt is connected with the first cylindrical sections and is used for carrying out forward stirring on materials, the inner ring reverse spiral belt is connected with the first cylindrical sections and is used for carrying out reverse stirring on the materials, the turnover plow plate is fixed on the first cylindrical sections and is used for carrying out turbulent stirring on the materials in the material stirring process, the randomness of material flow tracks is increased, the side scrapers are arranged at the tail ends of the first cylindrical sections and are respectively connected with the tail ends of any adjacent first cylindrical sections, the side scrapers are used for driving the first stirring blade to rotate, the residual scrapers are used for cleaning the walls of the materials, the liquid crystal display temperature sensor is arranged in the high-temperature detection kettle, and the high-temperature sensor is used for detecting the temperature of the materials in the high-temperature kettle, and the high temperature sensor is used for detecting the temperature sensor;
The cooling kettle comprises a cooling interlayer and a second stirring device, the cooling interlayer is arranged outside the cooling kettle, the cooling interlayer comprises a cooling water circulation channel and an electric control valve, the cooling water circulation channel is used for flowing through cooling water and cooling the cooling kettle, the electric control valve is used for controlling circulation of the cooling water in the cooling water circulation channel, and the second stirring device is arranged in the cooling kettle and is used for stirring materials and uniformly cooling the materials to a preset temperature;
the second stirring device comprises a second power device, a second stirring shaft, a second stirring blade and a second temperature detection sensor, wherein the second power device is arranged on one side of the cooling kettle and is connected with the second stirring shaft, the second power device is used for providing stirring power for the second stirring shaft, the second stirring shaft is arranged in the cooling kettle and is provided with a plurality of second cylindrical sections, the second cylindrical sections are used for supporting the second stirring blade, the second stirring shaft is used for driving the second stirring blade to rotate, the second stirring blade comprises an outer ring spiral belt and an inner ring spiral belt, the outer ring spiral belt is connected with the second cylindrical sections and is used for pushing materials to the middle or two sides so as to stir, the inner ring spiral belt is connected with the second cylindrical sections and is used for stirring the materials and applying acting force in a preset direction to the materials, the acting force direction of the acting force is opposite to the acting force in the preset direction to the materials, and the second temperature detection sensor is arranged in the cooling kettle and is used for detecting the temperature of the materials in the cooling kettle and outputting the current temperature to the liquid crystal display screen;
The liquid crystal display comprises a central processor which is respectively connected with a first temperature detection sensor and a second temperature detection sensor and is used for receiving the current temperature detected by each temperature detection sensor, the central processor is respectively connected with a first power device and a second power device and is used for adjusting the rotating speed of each power device which is respectively output to each stirring blade, and the central processor is respectively connected with a heating resistance wire and an electric control valve and is used for respectively adjusting the current resistance of the heating resistance wire and the opening and closing degree of the electric control valve according to the comparison result of the current temperature and the preset temperature.
In the first stirring device, the outer ring forward spiral belts are of double-spiral structures, the spiral angle is 55.62 degrees, the transverse distribution quantity of the single-spiral outer ring forward spiral belts is at least 3, the cross section of each outer ring forward spiral belt is a first parallelogram, the short side of each first parallelogram is one half of the long side, the transverse distribution interval length is the length of each first parallelogram long side, the distribution rule of the outer ring forward spiral belts is that the outer ring forward spiral belts are sequentially distributed to a first stirring shaft along one side, close to the inner side wall of the kettle, of each first cylindrical section, and the side edge of each outermost outer ring forward spiral belt is tangent to the inner side wall of the kettle.
Specifically, the material of the outer ring forward spiral ribbon can be a rigid metal material, can also be a high temperature resistant rubber material, and can also be a high temperature resistant elastic novel material, and only the stirring requirement of the outer ring forward spiral ribbon in the embodiment can be met, which is not repeated.
In the first stirring device, the inner ring reverse spiral belt is of a single spiral structure, the spiral angle of the inner ring reverse spiral belt is 55.62 degrees, the transverse distribution quantity of the inner ring reverse spiral belt is at least 1, the cross section of the inner ring reverse spiral belt is a second parallelogram, the short side of the second parallelogram is two thirds of the long side, the transverse distribution interval length is the length of the long side of the second parallelogram, and the distribution rules of the inner ring reverse spiral belt are that the first cylindrical section one third of the length of the first cylindrical section close to one side of the first stirring shaft is sequentially arranged towards the first stirring shaft.
Specifically, the material of the inner ring reverse spiral belt can be a rigid metal material, a high temperature resistant rubber material or a high temperature resistant elastic novel material, and only the turbulent flow requirement of the inner ring reverse spiral belt in the embodiment can be met, which is not repeated.
In the first stirring device, the length of the first cylindrical section is the length that one end is connected with the first stirring shaft and the other end is tangent to the inner side wall of the kettle, and the first cylindrical section is staggered at the bottom of the outer ring forward spiral belt at an angle of 45 degrees along the forward spiral belt advancing direction of the outer ring and is perpendicular to the first stirring shaft.
Specifically, the material of the first cylindrical section may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the requirement of the first cylindrical section for fixing the first stirring blade in this embodiment, and this will not be described in detail.
In the first stirring device, the turnover plow plate is inclined by 45 degrees and is arranged on the first cylindrical section, the arranged position and the position of the inner ring reverse spiral belt connected with the first cylindrical section are symmetrical to the first stirring shaft, the turnover plow plate is folded in half along the central line of the turnover plow plate, and the included angle between the planes of the two sides of the turnover plow plate after being folded in half is 160 degrees.
Specifically, the turnover plow plate can be a circular plate, a square plate or a special plate, and the requirement of the turnover plow plate on turbulence of materials in the embodiment can be met, which is not repeated.
Specifically, the material of the turnover plow plate can be a rigid metal material, a high-temperature resistant rubber material or a high-temperature resistant elastic novel material, and only the turbulent flow requirement of the turnover plow plate on the material in the embodiment can be met, which is not repeated.
In the first stirring device, the side scraping plates are in the shape of a straight triangular prism, the cross section of the straight triangular prism is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is two thirds of the waist length, the vertex angle of the isosceles triangle is tangential to the inner wall of the high-temperature kettle, the side scraping plates are made of high-temperature-resistant soft rubber, and the distribution rules of the side scraping plates are that the side scraping plates are staggered at the tail ends of the adjacent equal-length first cylindrical sections at an angle of 45 degrees along the forward spiral strip screwing direction of the outer ring.
In the second stirring device, the outer ring spiral belt is of a double-spiral structure in opposite directions, the spiral angle is 55.62 degrees, the opposite centers are the centers of the second stirring shafts, the cross section of the outer ring spiral belt is of a first parallelogram, the transverse distribution number of the single-spiral outer ring spiral belt is at least 1, the interval length of the transverse distribution is the length of the long side of the first parallelogram, the distribution rules of the outer ring spiral belt are that the outer ring spiral belt is orderly arranged to the second stirring shafts along one side, close to the inner side wall of the kettle, of the second cylindrical section, and the side edge of the outer ring spiral belt at the outermost side is tangent to the inner side wall of the kettle.
Specifically, the material of the outer ring ribbon can be a rigid metal material, a high-temperature resistant rubber material or a high-temperature resistant elastic novel material, and only the stirring requirement of the outer ring ribbon in the embodiment can be met, which is not repeated.
In the second stirring device, the inner ring spiral belts are of opposite double-spiral structures, the spiral angle is 55.62 degrees, the opposite center is the center of the second stirring shaft, the cross section of each inner ring spiral belt is a second parallelogram, the number of the transverse distribution of each single-spiral inner ring spiral belt is at least 1, the interval length of each transverse distribution is the length of the long side of the second parallelogram, and the distribution rules of the inner ring spiral belts are sequentially arranged towards the second stirring shaft along one third of the length of the second cylindrical section, which is close to one side of the second stirring shaft, of the second cylindrical section.
Specifically, the material of the inner ring ribbon may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the turbulence requirement of the inner ring ribbon in this embodiment, and this will not be described again.
In the second stirring device, the length of the second cylindrical section is the length that one end is connected with the second stirring shaft and the other end is tangent to the inner side wall of the kettle, and the second cylindrical section is staggered at the bottoms of the outer ring spiral belt and the inner ring spiral belt at an angle of 45 degrees along the screwing direction of the outer ring spiral belt and the inner ring spiral belt respectively and is perpendicular to the second stirring shaft.
Specifically, the material of the second cylindrical section may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the requirement of the second cylindrical section for fixing the second stirring vane in this embodiment, and this will not be described in detail.
The central processing unit adjusts the current resistance of the heating resistance wire and the current output rotating speed FCS0 of the first power device according to the comparison result of the current temperature CHT in the high-temperature kettle detected by the first temperature detection sensor and the first preset temperature PHT, wherein PHT comprises PHT1 and PHT2, PHT1 is smaller than PHT2, the central processing unit is provided with a first preset rotating speed PFCS, PFCS comprises PFCS1, PFCS2 and PFCS3, PFCS1 is smaller than PFCS2 and PFCS3,
When CHT is smaller than PHT1, the central processing unit judges that the temperature in the high-temperature kettle is lower than a first preset temperature, the current heating temperature does not meet the preset temperature requirement, the heating resistance wire is controlled to increase the current resistance, and the first power device is controlled to adjust FCS0 to PFCS1;
when PHT1 is less than or equal to CHT and less than or equal to PHT2, the central processing unit judges that the temperature in the current high-temperature kettle meets a first preset temperature, the current heating temperature meets a preset temperature requirement, a heating resistance wire is required to be controlled to maintain the current resistance, and a first power device is controlled to adjust FCS0 to PFCS2;
when CHT is more than PHT2, the central processing unit judges that the temperature in the high-temperature kettle exceeds a first preset temperature, the current heating temperature exceeds a preset temperature requirement, a heating resistance wire is required to be controlled to reduce the current resistance, and a first power device is controlled to adjust FCS0 to PFCS3;
the central processing unit adjusts the current opening and closing of the electric control valve and the current output rotating speed SCS0 of the second power device according to the comparison result of the current temperature CCT in the cooling kettle detected by the second temperature detection sensor and the second preset temperature PCT, wherein the central processing unit is provided with the second preset rotating speed PSCS which comprises PSCS1 and PSCS2, PSCS1 is smaller than PSCS2,
when CCT is less than or equal to PCT1, the central processing unit judges that the temperature in the current cooling kettle is lower than a second preset temperature, the current temperature meets the cooling requirement, an electric control valve is required to be controlled to be closed, and a second power device is controlled to adjust SCS0 to PSCS1;
When CCT is larger than PCT2, the central processing unit judges that the temperature in the current cooling kettle exceeds a second preset temperature, the current temperature does not meet the cooling requirement, the electric control valve is controlled to be opened, the second power device is controlled to adjust SCS0 to PSCS2, and the second power device is controlled to repeatedly switch the forward rotation and reverse rotation directions within the preset time.
Compared with the prior art, the invention has the beneficial effects that firstly, through arranging the plurality of outer ring forward spiral belts with the double-spiral structure, the first stirring blade can cut the material by utilizing the gaps while lifting the height of the material through forward rotation, the unordered motion state ratio of the material is increased, the stirring effect of the material in unit time is more sufficient, and the double-spiral outer ring forward spiral belts can simultaneously clean the residual material on the inner side wall of the kettle in different directions when rotating, so that the material participates in heating and chemical reaction as much as possible, the granulating and cladding economic benefits are increased, and the cost utilization rate is improved;
further, by arranging the single-spiral inner ring reverse spiral belt, the first stirring blade can reduce the height of the material through forward rotation and increase the internal circulation speed of the material in the high-temperature kettle, so that the material of the first stirring blade is not simply rotated by receiving centrifugal force when being stirred, but is cut by the fixed angle of the blade to generate internal circulation stirring effect from top to bottom to outside to inside, and the stirring effect of the material in unit time is more sufficient;
Further, by arranging the turnover plow plate, the unordered movement proportion of the materials in the ordered movement state can be increased, so that the stirring effect of the materials in unit time is more sufficient;
secondly, by arranging the outer ring spiral belt with the opposite double-spiral structure, the second stirring blade can make the material obtain repeated bidirectional pushing acting force within preset time when the rotating direction is switched by repeated forward rotation and reverse rotation, and the material is better contacted with the cooling interlayer to fully transfer heat with the material, so that the material is cooled as soon as possible, the cooling rate is increased, the productivity is enlarged, and the economic benefit is improved;
further, by arranging the inner ring spiral belt with the opposite double spiral structure, when the rotation direction of the second stirring blade is switched by repeated forward rotation and reverse rotation, a turnover acting force opposite to the pushing direction of the outer ring spiral belt is provided, so that the internal circulation of materials during cooling is increased, the cooling rate is increased, the productivity is increased, and the economic benefit is improved;
thirdly, through the central processing unit, the heating device can better adjust the resistance according to the temperature in the high-temperature kettle at present, so as to change the temperature in the high-temperature kettle at present, and adjust the output rotating speed of the first power device according to the current temperature parameter, so that the first stirring blade adopts a lower stirring speed when the current temperature is lower to increase the heat transfer efficiency of the material and the inner wall of the high-temperature kettle in unit time, and simultaneously adopts a higher stirring speed when the current temperature is higher to reduce the heat transfer efficiency of the material and the inner wall of the high-temperature kettle in unit time, thereby avoiding the coking of the material caused by uneven heating of the material;
Further, through the central processing unit that is equipped with, can make the better opening and shutting of the automatically controlled valve of cooling device according to the interior temperature regulation of present cooling cauldron, and then change the interior temperature of present cooling cauldron to according to present temperature parameter, adjust the output rotational speed of second power device, make the second stirring vane adopt lower stirring speed to be used for practicing thrift the energy consumption when present temperature accords with the cooling temperature requirement, adopt higher stirring speed to be used for the material in the unit time with the heat transfer efficiency of high temperature cauldron inner wall simultaneously when present temperature is higher than the cooling temperature requirement, be used for making the material can be cooled down rapidly in the unit time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of a high-temperature kettle of a circulating stirring device for a reaction kettle according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a cooling tank of a circulation stirring device for a reaction tank according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of a first stirring vane according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the structure of a second stirring vane according to an embodiment of the present invention;
in the figure: the high-temperature kettle 1, the well type electric furnace 2, the first stirring blade 3, the heating resistance wire 4, the first stirring shaft 5, the first power device 6, the first temperature detection sensor 7, the cooling kettle 8, the cooling interlayer 9, the second stirring shaft 10, the electric control valve 11 of the cooling water circulation channel, the second stirring blade 12, the second power device 13, the second temperature detection sensor 14, the outer ring forward screw belt 15, the inner ring reverse screw belt 16, the first cylindrical section 17, the side scraping plate 18, the turnover plow plate 19, the outer ring screw belt 20, the inner ring screw belt 21 and the second cylindrical section 22.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; 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.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic structural diagram of a circulation stirring device for a reaction kettle according to an embodiment of the present invention, the embodiment includes a high-temperature kettle 1, a cooling kettle 8 and a liquid crystal display screen, wherein,
the high-temperature kettle 1 is connected with the cooling kettle 8, the high-temperature kettle 1 comprises a well-type electric furnace 2 and a first stirring device, the well-type electric furnace 2 is arranged outside the high-temperature kettle 1 and is provided with a heating resistance wire 4, the heating resistance wire 4 is used for heating the high-temperature kettle 1, and the first stirring device is arranged in the high-temperature kettle 1 and is used for stirring materials and uniformly heating the materials to a preset temperature;
the first stirring device comprises a first power device 6, a first stirring shaft 5, a first stirring blade 3 and a first temperature detection sensor 7, wherein the first power device 6 is arranged above the high-temperature kettle 1 and is connected with the first stirring shaft 5, the first power device 6 is used for providing stirring power for the first stirring shaft 5, the first stirring shaft 5 is arranged in the high-temperature kettle 1 and is provided with a plurality of first cylindrical sections 17, the first cylindrical sections 17 are used for supporting the first stirring blade 3, the first stirring shaft 5 is used for driving the first stirring blade 3 to rotate, the first stirring blade 3 comprises an outer ring forward spiral belt 15, an inner ring reverse spiral belt 16, a turnover plow plate 19 and a side scraping plate 18, the outer ring forward spiral belt 15 is connected with the first cylindrical sections 17 and is used for carrying out forward stirring on materials, the inner ring reverse spiral belt 16 is connected with the first cylindrical sections 17 and is used for carrying out reverse stirring on the materials, the turnover plow plate 19 is fixed on the first cylindrical sections 17 and is used for carrying out turbulent flow track randomness on the materials in the stirring process, the side scraping plate 18 is used for supporting the first stirring blade 3, the side scraping plate 18 is arranged at the tail end of the first cylindrical sections 17 and is respectively connected with the first cylindrical sections 17 and is used for carrying out temperature detection on the temperature detection in the high-temperature detection kettle 1, the liquid crystal material is used for carrying out the current temperature detection in the high-temperature detection kettle, and the temperature detection of the material is used for carrying out the temperature detection on the material;
The cooling kettle 8 comprises a cooling interlayer 9 and a second stirring device, the cooling interlayer 9 is arranged outside the cooling kettle 8, the cooling interlayer 9 comprises a cooling water circulation channel and an electric control valve 11, the cooling water circulation channel is used for flowing through cooling water and cooling the cooling kettle 8, the electric control valve 11 is used for controlling circulation of the cooling water in the cooling water circulation channel, and the second stirring device is arranged in the cooling kettle 8 and is used for stirring materials and uniformly cooling the materials to a preset temperature;
the second stirring device comprises a second power device 13, a second stirring shaft 10, a second stirring blade 12 and a second temperature detection sensor 14, the second power device 13 is arranged on one side of the cooling kettle 8 and is connected with the second stirring shaft 10, the second power device 13 is used for providing stirring power for the second stirring shaft 10, the second stirring shaft 10 is arranged in the cooling kettle 8 and is provided with a plurality of second cylindrical sections 22, the second cylindrical sections 22 are used for supporting the second stirring blade 12, the second stirring shaft 10 is used for driving the second stirring blade 12 to rotate, the second stirring blade 12 comprises an outer ring ribbon 20 and an inner ring ribbon 21, the outer ring ribbon 20 is connected with the second cylindrical sections 22 and is used for pushing materials to the middle or two sides to stir, the inner ring ribbon 21 is connected with the second cylindrical sections 22 and is used for stirring the materials, the direction of the acting force of the second stirring shaft 10 is opposite to the direction of the acting force of the outer ring ribbon 20 on the materials, the second temperature detection sensor 14 is arranged in the cooling kettle 8 and is used for detecting the current temperature of the materials in the cooling kettle 8 and outputting the current temperature to a liquid crystal display screen;
The liquid crystal display comprises a central processor which is respectively connected with a first temperature detection sensor 7 and a second temperature detection sensor 14 and is used for receiving the current temperature detected by each temperature detection sensor, the central processor is respectively connected with a first power device 6 and a second power device 13 and is used for adjusting the rotating speed of each power device which is respectively output to each stirring blade, and the central processor is respectively connected with a heating resistance wire 4 and an electric control valve 11 and is used for respectively adjusting the current resistance of the heating resistance wire 4 and the opening and closing degree of the electric control valve 11 according to the comparison result of the current temperature and the preset temperature.
In the present embodiment, each temperature detection sensor includes a first temperature detection sensor 7 and a second temperature detection sensor 14, each power device includes a first power device 6 and a second power device 13, and each stirring blade includes a first stirring blade 3 and a second stirring blade 12.
In the first stirring device, the outer ring forward spiral belt 15 is of a double-spiral structure, the spiral angle is 55.62 degrees, the transverse distribution quantity of the single-spiral outer ring forward spiral belt 15 is at least 3, the cross section of the outer ring forward spiral belt 15 is a first parallelogram, the short side of the first parallelogram is one half of the long side, the transverse distribution interval length is the length of the long side of the first parallelogram, the distribution rule of the outer ring forward spiral belt 15 is that the outer ring forward spiral belt 15 is sequentially distributed to the first stirring shaft 5 along one side, close to the inner side wall of the kettle, of the first cylindrical section 17, and the side edge of the outer ring forward spiral belt 15 at the outermost side is tangent to the inner side wall of the kettle.
In this embodiment, the material of the outer ring forward ribbon 15 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the stirring requirement of the outer ring forward ribbon 15 in this embodiment, and will not be described again.
In the first stirring device, the inner ring reverse spiral belt 16 is of a single spiral structure, the spiral angle of the inner ring reverse spiral belt 16 is 55.62 degrees, the number of transverse distribution is at least 1, the cross section of the inner ring reverse spiral belt 16 is a second parallelogram, the short side of the second parallelogram is two thirds of the long side, the interval length of transverse distribution is the length of the long side of the second parallelogram, and the distribution rules of the inner ring reverse spiral belt 16 are that the first cylindrical section 17 along one third of the length of the first cylindrical section 17, which is close to one side of the first stirring shaft 5, is sequentially arranged towards the first stirring shaft 5.
In this embodiment, the material of the inner ring reverse spiral ribbon 16 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the turbulence requirement of the inner ring reverse spiral ribbon 16 in this embodiment, and will not be described again.
In the first stirring device, the length of the first cylindrical section 17 is that one end of the first cylindrical section is connected with the first stirring shaft 5, the other end of the first cylindrical section is tangent to the inner side wall of the kettle, and the first cylindrical section 17 is staggered at the bottom of the outer ring forward spiral belt 15 at an angle of 45 degrees along the screwing direction of the outer ring forward spiral belt 15 and is perpendicular to the first stirring shaft 5.
In this embodiment, the material of the first cylindrical section 17 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to satisfy the requirement of the first cylindrical section 17 for fixing the first stirring vane 3 in this embodiment, and this will not be described in detail.
In the first stirring device, the turnover plow plate 19 is obliquely arranged on the first cylindrical section 17 at an angle of 45 degrees, the arranged position and the position of the inner ring reverse spiral belt 16 connected with the first cylindrical section 17 are symmetrical to the first stirring shaft 5, the turnover plow plate 19 is folded in half along the central line of the turnover plow plate 19, and the included angle between the two side planes of the turnover plow plate 19 after being folded in half is 160 degrees.
In this embodiment, the turnover plow plate 19 may be a circular plate, a square plate or a special plate, which only needs to meet the turbulence requirement of the turnover plow plate 19 on the material in this embodiment, and this will not be described again.
In this embodiment, the material of the turnover plow plate 19 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to satisfy the turbulence requirement of the turnover plow plate 19 on the material in this embodiment, and this will not be described again.
In the first stirring device, the side scraping plates 18 are in the shape of a straight triangular prism, the cross section of the straight triangular prism is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is two thirds of the waist length, the vertex angle of the isosceles triangle is tangential to the inner wall of the high-temperature kettle 1, the material of the side scraping plates 18 is high-temperature-resistant soft rubber, and the distribution rules of the side scraping plates 18 are that the side scraping plates 18 are staggered at the tail ends of adjacent equal-length first cylindrical sections 17 at an angle of 45 degrees along the screwing direction of the outer ring forward spiral bands 15.
In the second stirring device, the outer ring spiral belts 20 are of opposite double-spiral structures, the spiral angle is 55.62 degrees, the opposite center is the center of the second stirring shaft 10, the cross section of each outer ring spiral belt 20 is a first parallelogram, the number of the transverse distribution of each single-spiral outer ring spiral belt 20 is at least 1, the interval length of the transverse distribution is the length of the long side of the first parallelogram, the distribution rules of the outer ring spiral belts 20 are that the outer ring spiral belts are sequentially arranged to the second stirring shaft 10 along one side, close to the inner side wall of the kettle, of the second cylindrical section 22, and the side edge of the outer ring spiral belt 20 at the outermost side is tangent to the inner side wall of the kettle.
In this embodiment, the material of the outer ring ribbon 20 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the stirring requirement of the outer ring ribbon 20 in this embodiment, and will not be described again.
In the second stirring device, the inner ring spiral belts 21 are of opposite double-spiral structures, the spiral angle is 55.62 degrees, the opposite center is the center of the second stirring shaft 10, the cross section of each inner ring spiral belt 21 is a second parallelogram, the number of the transverse distribution of each single-spiral inner ring spiral belt 21 is at least 1, the interval length of the transverse distribution is the length of the long side of the second parallelogram, and the distribution rules of the inner ring spiral belts 21 are that the third length of the second cylindrical section 22, which is close to one side of the second stirring shaft 10, of the second cylindrical section 22 is sequentially arranged towards the second stirring shaft 10.
In this embodiment, the material of the inner ring ribbon 21 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to meet the turbulence requirement of the inner ring ribbon 21 in this embodiment, and will not be described again.
In the second stirring device, the length of the second cylindrical section 22 is that one end of the second cylindrical section is connected with the second stirring shaft 10, the other end of the second cylindrical section is tangent to the inner side wall of the kettle, and the second cylindrical section 22 is staggered at the bottoms of the outer ring spiral belt 20 and the inner ring spiral belt 21 at an angle of 45 degrees along the screwing direction of the outer ring spiral belt 20 and the inner ring spiral belt 21 respectively and is perpendicular to the second stirring shaft 10.
In this embodiment, the material of the second cylindrical section 22 may be a rigid metal material, or may be a high temperature resistant rubber material, or may be a high temperature resistant elastic novel material, which only needs to satisfy the requirement of the second cylindrical section 22 for fixing the second stirring vane 12 in this embodiment, and will not be described in detail.
The central processing unit adjusts the current resistance of the heating resistance wire 4 and the current output rotating speed FCS0 of the first power device 6 according to the comparison result of the current temperature CHT in the high-temperature kettle 1 detected by the first temperature detection sensor 7 and the first preset temperature interval PHT, wherein the first preset temperature interval PHT comprises a first preset temperature first interval threshold PHT1 and a first preset temperature second interval threshold PHT2, PHT1 is smaller than PHT2, the central processing unit is provided with a first preset rotating speed interval PFCS, the PFCS comprises a first preset rotating speed first interval threshold PFCS1, a first preset rotating speed second interval threshold PFCS2 and a first preset rotating speed third interval threshold PFCS3, PFCS1 is smaller than PFCS2 is smaller than PFCS3,
When CHT is smaller than PHT1, the central processing unit judges that the temperature in the high-temperature kettle 1 is lower than a first preset temperature interval, the current heating temperature does not meet the preset temperature requirement, the heating resistance wire 4 is controlled to increase the current resistance, and the first power device 6 is controlled to adjust FCS0 to PFCS1;
when PHT1 is less than or equal to CHT and less than or equal to PHT2, the central processing unit judges that the temperature in the current high-temperature kettle 1 accords with a first preset temperature interval, the current heating temperature meets a preset temperature requirement, the heating resistance wire 4 is required to be controlled to maintain the current resistance, and the first power device 6 is controlled to adjust FCS0 to PFCS2;
when CHT is more than PHT2, the central processing unit judges that the temperature in the high-temperature kettle 1 exceeds a first preset temperature interval, the current heating temperature exceeds a preset temperature requirement, the heating resistance wire 4 is controlled to reduce the current resistance, and the first power device 6 is controlled to adjust FCS0 to PFCS3;
the central processing unit adjusts the current opening and closing of the electric control valve 11 and the current output rotating speed SCS0 of the second power device 13 according to the comparison result of the current temperature CCT in the cooling kettle 8 detected by the second temperature detection sensor 14 and the second preset temperature PCT, wherein the central processing unit is provided with a second preset rotating speed section PSCS, the PSCS comprises a second preset rotating speed first section threshold PSCS1 and a second preset rotating speed first section threshold PSCS2, PSCS1 is smaller than PSCS2,
When CCT is less than or equal to PCT1, the central processing unit judges that the temperature in the current cooling kettle 8 is lower than a second preset temperature interval, the current temperature already meets the cooling requirement, the electric control valve 11 is controlled to be closed, and the second power device 13 is controlled to adjust SCS0 to PSCS1;
when CCT > PCT2, the central processing unit determines that the current temperature in the cooling kettle 8 exceeds the second preset temperature interval, and the current temperature does not meet the cooling requirement, and controls the electric control valve 11 to be opened, controls the second power device 13 to adjust SCS0 to PSCS2, and controls the second power device 13 to repeatedly switch the forward rotation and reverse rotation directions within the preset time.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A circulating stirring device for a reaction kettle is characterized by comprising a high-temperature kettle, a cooling kettle and a liquid crystal display screen, wherein,
the high-temperature kettle is connected with the cooling kettle and comprises a well-type electric furnace and a first stirring device, the well-type electric furnace is arranged outside the high-temperature kettle and is provided with a heating resistance wire, the heating resistance wire is used for heating the high-temperature kettle, and the first stirring device is arranged in the high-temperature kettle and is used for stirring materials and uniformly heating the materials to a preset temperature;
the first stirring device comprises a first power device, a first stirring shaft, a first stirring blade and a first temperature detection sensor, wherein the first power device is arranged above the high-temperature kettle and is connected with the first stirring shaft, the first power device is used for providing stirring power for the first stirring shaft, the first stirring shaft is arranged in the high-temperature kettle and is provided with a plurality of first cylindrical sections, the first cylindrical sections are used for supporting the first stirring blade, the first stirring shaft is used for driving the first stirring blade to rotate, the first stirring blade comprises an outer ring forward spiral belt, an inner ring reverse spiral belt, a turnover plow plate and a side scraping plate, the outer ring forward spiral belt is connected with the first cylindrical sections and is used for carrying out forward stirring on materials, the inner ring reverse spiral belt is connected with the first cylindrical sections and is used for carrying out reverse stirring on the materials, the turnover plow plate is fixed on the first cylindrical sections and is used for carrying out turbulent flow track on the materials in the material stirring process, the side scraping plate is arranged at the tail end of the first cylindrical sections and is respectively connected with one end of the first cylindrical sections and is used for carrying out liquid crystal temperature detection in the high-temperature detection kettle, the liquid crystal display temperature sensor is arranged at the tail end of the first cylindrical sections, and the temperature sensor is used for detecting the temperature of the material in the high-temperature detection kettle;
The cooling kettle comprises a cooling interlayer and a second stirring device, the cooling interlayer is arranged outside the cooling kettle, the cooling interlayer comprises a cooling water circulation channel and an electric control valve, the cooling water circulation channel is used for flowing through cooling water and cooling the cooling kettle, the electric control valve is used for controlling circulation of the cooling water in the cooling water circulation channel, and the second stirring device is arranged in the cooling kettle and is used for stirring materials and uniformly cooling the materials to a preset temperature;
the second stirring device comprises a second power device, a second stirring shaft, a second stirring blade and a second temperature detection sensor, wherein the second power device is arranged on one side of the cooling kettle and is connected with the second stirring shaft, the second power device is used for providing stirring power for the second stirring shaft, the second stirring shaft is arranged in the cooling kettle and is provided with a plurality of second cylindrical sections, the second cylindrical sections are used for supporting the second stirring blade, the second stirring shaft is used for driving the second stirring blade to rotate, the second stirring blade comprises an outer ring spiral belt and an inner ring spiral belt, the outer ring spiral belt is connected with the second cylindrical sections and is used for pushing materials to the middle or two sides to stir, the inner ring spiral belt is connected with the second cylindrical sections and is used for stirring the materials and applying acting force in a preset direction to the materials, the acting force direction of the acting force is opposite to the acting force in the preset direction to the materials, and the second temperature detection sensor is arranged in the cooling kettle and is used for detecting the temperature of the materials in the cooling kettle and outputting the current temperature to the liquid crystal display screen;
The liquid crystal display comprises a central processor which is respectively connected with the first temperature detection sensor and the second temperature detection sensor and is used for receiving the current temperature detected by each temperature detection sensor, the central processor is respectively connected with the first power device and the second power device and is used for adjusting the rotating speed of each power device which is respectively output to each stirring blade, and the central processor is respectively connected with the heating resistance wire and the electric control valve and is used for respectively adjusting the current resistance of the heating resistance wire and the opening and closing of the electric control valve according to the comparison result of the current temperature and the preset temperature.
2. The circulation stirring device for a reaction kettle according to claim 1, wherein in the first stirring device, the outer ring forward spiral belts are of a double-spiral structure, the spiral angle is 55.62 degrees, the number of the transverse distribution of the single-spiral outer ring forward spiral belts is at least 3, the cross section of each outer ring forward spiral belt is a first parallelogram, the short side of each first parallelogram is one half of the long side, the interval length of each transverse distribution is the length of each long side of each first parallelogram, the distribution rules of the outer ring forward spiral belts are that the outer ring forward spiral belts are sequentially arranged along one side, close to the inner side wall of the high-temperature kettle, of each first cylindrical section, and the side edge of each outermost outer ring forward spiral belt is tangent to the inner side wall of the high-temperature kettle.
3. The circulation stirring apparatus for a reaction kettle according to claim 2, wherein in the first stirring apparatus, the inner ring reverse spiral belts are of a single spiral structure, the spiral angle of the inner ring reverse spiral belts is 55.62 °, the number of the inner ring reverse spiral belts is at least 1, the cross section of the inner ring reverse spiral belts is a second parallelogram, the short sides of the second parallelogram are two thirds of the long sides, the interval length of the transverse distribution is the length of the long sides of the second parallelogram, and the distribution rules of the inner ring reverse spiral belts are sequentially arranged along the first cylindrical section, which is close to one third of the first cylindrical section, of one side of the first stirring shaft toward the first stirring shaft.
4. The circulation stirring apparatus for a reaction kettle according to claim 3, wherein in the first stirring apparatus, the length of the first cylindrical section is a length in which one end is connected to the first stirring shaft and the other end is tangential to the inner side wall of the high-temperature kettle, and the first cylindrical sections are staggered at an angle of 45 ° along the forward spiral direction of the outer ring at the bottom of the forward spiral of the outer ring and are perpendicular to the first stirring shaft.
5. The circulation stirring apparatus for a reaction kettle according to claim 4, wherein in the first stirring apparatus, the turnover plow plate is inclined at an angle of 45 ° on the first cylindrical section, and is disposed at a position where the turnover plow plate is connected with the first cylindrical section by the inner ring reverse screw belt and is symmetrical to the first stirring shaft, and the turnover plow plate is folded in half along its center line, and the included angle between the planes of both sides of the turnover plow plate after folding in half is 160 °.
6. The circulation stirring device for a reaction kettle according to claim 5, wherein in the first stirring device, the side scraping plates are in a shape of a straight triangular prism, the cross section of the straight triangular prism is in an isosceles triangle shape, the bottom edge of the isosceles triangle is two thirds of the waist length, the vertex angle of the isosceles triangle is tangential to the inner side wall of the high-temperature kettle, the side scraping plates are made of high-temperature-resistant soft rubber, and the distribution rules of the side scraping plates are that the side scraping plates are staggered at the tail ends of the adjacent first cylindrical sections with equal length at an angle of 45 degrees along the forward spiral advancing direction of the outer ring.
7. The circulation stirring apparatus for a reaction kettle according to claim 6, wherein in the second stirring apparatus, the outer ring spiral belts are of a double-spiral structure in opposite directions, the spiral angle is 55.62 °, the centers of opposite directions are the centers of the second stirring shafts, the cross-sectional shape of the outer ring spiral belts is the first parallelogram, the number of the single-spiral outer ring spiral belts in transverse distribution is at least 1, the interval length of the transverse distribution is the length of the long side of the first parallelogram, the distribution rules of the outer ring spiral belts are that the outer ring spiral belts are sequentially arranged along one side, close to the inner side wall of the cooling kettle, of the second cylindrical section to the second stirring shaft, and the side edge of the outer ring spiral belt on the outermost side is tangent to the inner side wall of the cooling kettle.
8. The circulation stirring apparatus for a reaction kettle according to claim 7, wherein in the second stirring apparatus, the inner ring ribbon has a double-helix structure in opposite directions, the helix angle is 55.62 °, the center of opposite directions is the center of the second stirring shaft, the cross-sectional shape of the inner ring ribbon is the second parallelogram, the number of the single-helix inner ring ribbon in transverse distribution is at least 1, the interval length of the transverse distribution is the length of the long side of the second parallelogram, and the distribution rule of the inner ring ribbon is that the second cylindrical section one third of the length of the second cylindrical section near one side of the second stirring shaft is sequentially arranged toward the second stirring shaft.
9. The circulation stirring apparatus for a reaction kettle according to claim 8, wherein in the second stirring apparatus, the length of the second cylindrical section is a length in which one end is connected to the second stirring shaft and the other end is tangential to the inner side wall of the cooling kettle, and the second cylindrical sections are alternately arranged at the bottoms of the outer ring spiral belt and the inner ring spiral belt at an angle of 45 ° along the advancing direction of the outer ring spiral belt and the inner ring spiral belt, respectively, and are perpendicular to the second stirring shaft.
10. The circulation stirring apparatus for a reaction kettle according to claim 9, wherein the central processing unit adjusts the current resistance of the heating resistance wire and the current output rotation speed FCS0 of the first power device according to the comparison result of the current temperature CHT in the high temperature kettle detected by the first temperature detection sensor and a first preset temperature PHT, wherein PHT comprises PHT1 and PHT2, PHT1 is smaller than PHT2, the central processing unit is provided with a first preset rotation speed PFCS comprising PFCS1, PFCS2 and PFCS3, PFCS1 is smaller than PFCS2 is smaller than PFCS3,
When CHT is smaller than PHT1, the central processing unit judges that the current temperature in the high-temperature kettle is lower than a first preset temperature, the current heating temperature does not meet the preset temperature requirement, the heating resistance wire is controlled to increase the current resistance, and the first power device is controlled to adjust FCS0 to PFCS1;
when PHT1 is less than or equal to CHT and less than or equal to PHT2, the central processing unit judges that the current temperature in the high-temperature kettle meets a first preset temperature, the current heating temperature meets a preset temperature requirement, the heating resistance wire is controlled to maintain the current resistance, and the first power device is controlled to adjust FCS0 to PFCS2;
when CHT is more than PHT2, the central processing unit judges that the current temperature in the high-temperature kettle exceeds a first preset temperature, the current heating temperature exceeds a preset temperature requirement, the heating resistance wire is controlled to reduce the current resistance, and the first power device is controlled to adjust FCS0 to PFCS3;
the central processing unit adjusts the opening and closing of the electric control valve and the current output rotating speed SCS0 of the second power device according to the comparison result of the current temperature CCT in the cooling kettle detected by the second temperature detection sensor and the second preset temperature PCT, wherein the central processing unit is provided with the second preset rotating speed PSCS which comprises PSCS1 and PSCS2, PSCS1 is smaller than PSCS2,
When CCT is less than or equal to PCT1, the central processing unit judges that the current temperature in the cooling kettle is lower than a second preset temperature, the current temperature meets the cooling requirement, the electric control valve is controlled to be closed, and the second power device is controlled to adjust SCS0 to PSCS1;
when CCT is larger than PCT2, the central processing unit judges that the current temperature in the cooling kettle exceeds a second preset temperature, the current temperature does not meet the cooling requirement, the electric control valve is controlled to be opened, the second power device is controlled to adjust SCS0 to PSCS2, and the second power device is controlled to repeatedly switch the forward rotation and reverse rotation directions within the preset time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102659841B1 (en) * | 2023-08-23 | 2024-04-23 | 대동중공업주식회사 | The Ribbon screw in vertical mixer for easy maintenance |
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