CN109126602B - Powder-liquid continuous mixer and continuous metering mixing production line - Google Patents
Powder-liquid continuous mixer and continuous metering mixing production line Download PDFInfo
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- CN109126602B CN109126602B CN201811088860.XA CN201811088860A CN109126602B CN 109126602 B CN109126602 B CN 109126602B CN 201811088860 A CN201811088860 A CN 201811088860A CN 109126602 B CN109126602 B CN 109126602B
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/59—Mixing systems, i.e. flow charts or diagrams
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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
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of 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
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
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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
- B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
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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
- B01F35/121—Maintenance of mixers using mechanical means using a brush for cleaning out rests of products
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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
- B01F35/71—Feed mechanisms
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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
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
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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
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
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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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
Abstract
The invention discloses a powder-liquid continuous mixer and a continuous metering mixing production line, which comprise a shell, wherein a mixing cavity is arranged in the shell, a powder feeding cylinder is vertically arranged at the top of the shell, a mixing disc is horizontally arranged in the middle of the mixing cavity, a material distributing cone is arranged in the central area of the mixing disc, the material distributing cone is positioned right below a discharge port of the powder feeding cylinder, and a blanking gap is formed between the edge of the mixing disc and the side wall of the mixing cavity; the back of the mixing disc is connected with a scraping plate, the side edge of the scraping plate is attached to the inner wall of the middle lower part of the mixing cavity, and the lower part of the mixing cavity is provided with a discharge port; the powder feeding device comprises a powder feeding cylinder, a plurality of pairs of nozzles, a plurality of pairs of atomizing nozzles, a plurality of. The powder-liquid continuous mixer and the continuous metering mixing production line provided by the invention realize continuous production and automatic production, thereby improving the production efficiency.
Description
Technical Field
The invention relates to a catalyst production technology, in particular to a powder-liquid continuous mixer for catalyst production and a continuous metering mixing production line.
Background
Catalysts are of paramount importance in the modern chemical industry, and more than 90% of industrial processes require the use of catalysts. As is known, there are various methods for preparing the catalyst, such as mechanical mixing, precipitation, impregnation, solution evaporation, and thermal melting, wherein the mechanical mixing is prepared by mixing two or more substances (powder and liquid) in a mixing device, drying, and calcining. The mechanical mixing method is widely applied to the catalyst preparation industry due to the characteristics of simplicity and feasibility.
In the prior art, most of the production processes of catalyst production lines adopting a mechanical mixing method are manual batching and intermittent mixing, specifically, an operator weighs all components of raw materials by an electronic scale according to the requirements of a formula and then pours the weighed components into a kneading machine, and after the components are mixed for a period of time, the operator draws out a mixed material and transfers the mixed material to a strip extruding machine for strip extruding and forming. The prior art has the advantages that the production process has short production flow and less equipment investment, and the prior art has the disadvantages of low production efficiency and high labor intensity.
Disclosure of Invention
The invention aims to provide a powder-liquid continuous mixer for catalyst production and a continuous metering mixing production line, so as to solve the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme:
a powder-liquid continuous mixer for catalyst production comprises a shell, wherein a mixing cavity is arranged in the shell, a powder feeding cylinder is vertically arranged at the top of the shell, a mixing disc is horizontally arranged in the middle of the mixing cavity, a material distributing cone is arranged in the central area of the mixing disc and is positioned right below a discharge port of the powder feeding cylinder, and a blanking gap is formed between the edge of the mixing disc and the side wall of the mixing cavity; the back of the mixing disc is connected with a scraping plate, the side edge of the scraping plate is attached to the inner wall of the middle lower part of the mixing cavity, and the lower part of the mixing cavity is provided with a discharge port;
the mixing device also comprises a driving motor, wherein the driving motor drives the mixing disc to rotate through a transmission shaft;
at least two pairs of nozzles are symmetrically arranged on two sides of the powder feeding cylinder, atomization liquid spraying holes are formed in the nozzles and are used for spraying atomization liquid curtains, the atomization liquid curtains are multiple pairs, a plurality of atomization liquid curtains of the nozzles are combined to form an annular liquid curtain, and the powder feeding cylinder is located at the center of the annular liquid curtain.
Foretell powder liquid continuous mixing machine, the shower nozzle includes the body, including continuous infusion passageway and atomizing hydrojet hole in the body, the last position with atomizing hydrojet hole links to each other of infusion passageway is provided with the flaring portion.
The powder-liquid continuous mixer is characterized in that a liquid distribution cavity is further arranged in the mixer body, the liquid conveying channel is connected with one side of the liquid distribution cavity through a flaring portion, and the other side of the liquid distribution cavity is connected with the atomization liquid spraying hole.
In the powder-liquid continuous mixer, the orifice of the atomized liquid spraying hole is in a necking shape.
Foretell powder liquid continuous mixing machine still includes the spiral kneading mechanism, the spiral kneading mechanism includes pipeline, be provided with the pivot in the pipeline, set up in the pivot and knead the spiral, the pivot accepts the drive of kneading the motor in order to rotate, pipeline's feed inlet connect in on the bin outlet.
Foretell powder liquid continuous mixer still includes the crushed aggregates post, be provided with a plurality of crushed aggregates posts of arranging along vertical direction on the inner wall of casing, the tip of crushed aggregates post with the upper surface of hybrid tray sets up relatively, just the tip of crushed aggregates post with the distance of hybrid tray upper surface is less than 2 mm.
In the above powder-liquid continuous mixer, the end portion of the crushing column, which is opposite to the mixing disk, is provided with a plurality of sharp portions.
In the above powder-liquid continuous mixer, a plurality of the crushed material columns are arranged at different radial positions of the mixing disk.
In the powder-liquid continuous mixer, the shell is connected with the powder feeding cylinder through the vibration reduction mechanism, and the nozzle is fixed on the powder feeding cylinder.
A continuous metered mixing line for catalyst production, comprising:
the dust collector is arranged at a feed inlet of each storage hopper;
the discharge port of each storage hopper is connected with one metering scale;
the feed inlets of the dry powder mixing machine are respectively in one-to-one correspondence with the discharge outlets of the weighing scales through pipelines;
a liquid storage tank;
the liquid metering pump is connected with a liquid outlet of the liquid storage tank through a pipeline;
and a powder feeding cylinder of the powder-liquid continuous mixer is connected with a discharge port of the dry powder mixer through a pipeline, and a spray head of the powder-liquid continuous mixer is connected with a liquid discharge port of the liquid metering pump through a pipeline.
In the technical scheme, the powder-liquid continuous mixer for catalyst production provided by the invention realizes continuous feeding of powder through the powder feeding cylinder and continuous feeding of liquid through the spray head, so that continuous production and automatic production are realized, the production efficiency is improved, and the labor intensity of operators is reduced.
Since the above-mentioned powder-liquid continuous mixer for catalyst production has the above-mentioned technical effects, a continuous metering mixing line including the powder-liquid continuous mixer should also have corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a powder-liquid continuous mixer according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a nozzle provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a scraping plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a scraper plate according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a damping mechanism according to an embodiment of the present invention;
fig. 6 is a process flow schematic of a continuous metering mixing production line provided by an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a mixing chamber; 3. a powder feeding cylinder; 4. a mixing tray; 5. a material distributing cone; 6. a blanking gap; 7. a drive motor; 8. a drive shaft; 9. a nozzle; 10. atomizing liquid spray holes; 11. a body; 12. a fluid infusion channel; 13. a flared part; 14. a liquid separation cavity; 15. a delivery conduit; 16. pre-tightening the screw; 17. a scraping plate; 18. a discharge outlet; 19. a crushed material column; 20. a storage hopper; 21. a dust collector; 22. a scale; 23. a dry powder mixer; 24. a liquid storage tank; 25. a liquid metering pump; 26. a collection plate; 27. a brush; 28. a first connecting plate; 29. a second connecting plate; 30. a rubber block; 31. an elastic member.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, a powder-liquid continuous mixer for catalyst production according to an embodiment of the present invention includes a housing 1, a mixing chamber 2 is disposed in the housing 1, a powder feeding cylinder 3 is vertically disposed at the top of the housing 1, a mixing disc 4 is horizontally disposed in the middle of the mixing chamber 2, a material distribution cone 5 is disposed in the center region of the mixing disc 4, the material distribution cone 5 is located right below a discharge port of the powder feeding cylinder 3, and a blanking gap 6 is disposed between an edge of the mixing disc 4 and a side wall of the mixing chamber 2; the back of the mixing disc 4 is connected with a scraping plate 17, the side edge of the scraping plate 17 is attached to the inner wall of the middle lower part of the mixing cavity 2, and the lower part of the mixing cavity 2 is provided with a discharge outlet 18; the mixing device also comprises a driving motor 7, wherein the driving motor 7 drives the mixing disk 4 to rotate through a transmission shaft 8; many to 9 symmetrical arrangement in of nozzle in the both sides of powder feed cylinder 3, it is many right with the curved atomized liquid curtain of blowout to be provided with atomized liquid spray hole 10 on nozzle 9 a plurality of atomized liquid curtain combination of nozzle 9 are in order to form annular liquid curtain, powder feed cylinder 3 is located the center department of annular liquid curtain.
Specifically, the powder-liquid continuous mixer is used for continuously mixing powder and liquid, wherein the mixed mixture is still powder, that is, the powder is the main component during mixing and occupies a large weight ratio, such as more than 70%, and the liquid occupies a small weight ratio, and the mixing process is a kneading process or a wetting process, but not a dissolving process. Wherein, mixing chamber 2 in the casing 1 is mixing space, and nozzle 9 is used for inputing liquid, and powder feed cylinder 3 is used for inputing the powder, realizes mixing ratio's control through the input speed of control nozzle 9 and powder feed cylinder 3. A mixing disc 4 is arranged in the mixing cavity 2, the mixing disc 4 is horizontally arranged at the central position in the mixing cavity 2, a material distributing cone 5 is arranged at the central position of the upper surface of the mixing disc 4, the material distributing cone 5 and the powder feeding cylinder 3 are arranged along the same central axis, namely, the material distributing cone 5 is positioned under the powder feeding cylinder 3, a gap is formed between the edge of the mixing disc 4 and the inner wall of the mixing cavity 2 and used for blanking, namely, a blanking gap 6 is formed, the back surface of the mixing disc 4 is connected with a transmission shaft 8, a driving motor 7 drives the transmission shaft 8, so that the driving motor 7 drives the mixing disc 4 and the material distributing cone 5 to rotate through the transmission shaft 8, powder falling from the powder feeding cylinder 3 falls onto the material distributing cone 5, and the powder falling onto the mixing disc 4 and the material distributing cone 5 is uniformly dispersed under the action of centrifugal force until the powder falls from the gap 6 at the edge due to high, in this embodiment, since the powder and the liquid are not dissolved but kneaded and wetted, the liquid sprayed from the nozzle 9 must be uniformly sprayed onto the uniformly dispersed powder, otherwise, kneading and wetting are difficult to be uniformly realized, a dry core material or a dry material is easy to occur, the powder is uniformly dispersed by the centrifugally rotated mixing disk 4, the liquid is uniformly sprayed by a plurality of symmetrically arranged nozzles 9, such as two, three, four or even more nozzles 9, the plurality of nozzles 9 are symmetrically arranged at the outer side of the powder feeding cylinder 3, the nozzles 9 are provided with atomized liquid spraying holes 10, the atomized liquid spray holes 10 spray atomized liquid curtains under high pressure, a plurality of nozzles 9 are symmetrically arranged, the atomized liquid curtains are overlapped in a crossing way, thus, a uniform annular liquid curtain is formed, for example, two semicircular atomized liquid curtains are respectively sprayed by two nozzles, three atomized liquid curtains are larger than 120 degrees, and four atomized liquid curtains are larger than 90 degrees. Other analogize in proper order, the annular liquid curtain will divide material circular cone 5 to enclose in center department, and the annular liquid curtain also with powder feed cylinder 3 coaxial line, realize evenly spraying of liquid through the annular liquid curtain, realize the powder at mixing disk 4 upper surface ascending homodisperse of upper surface circumference through centrifugal mixing disk 4, arrange through mixing disk 4 and coaxial line of annular liquid curtain and realize evenly spraying of annular liquid curtain on the powder to realize evenly moistening of powder.
In this embodiment, a discharge opening 18 is formed in the lower portion of the mixing chamber 2, a scraping plate 17 is arranged on the lower surface of the mixing disc 4, the side edge of the scraping plate 17 is attached to the inner wall of the mixing chamber 2, the inner wall of the mixing chamber 2 is scraped by the scraping plate 17 for one circle along with the rotation of the mixing disc 4, and the discharging opening 18 is scraped with the wet powder falling from the blanking gap 6, so that the discharging of the wet powder is realized.
In another embodiment of the present invention, further, the central area of the mixing disc 4 is a horizontal plane portion, the material-dividing cone 5 is disposed on the horizontal plane portion, the portion of the mixing disc 4 around the horizontal plane portion is in the shape of an inverted circular truncated cone, the inclination angle of the inverted circular truncated cone is smaller, for example, 5-15 degrees, that is, the mixing disc 4 is concave, the arrangement is such that the powder falling from the material-dividing cone 5 is firstly accumulated in the circular recess of the circular material-dividing cone 5, and then the powder moves from bottom to top under the centrifugal force of the mixing disc 4, so that the powder is not bounced by the material-dividing cone 5 when the powder falls, thereby causing uneven distribution of the powder. The material is uniformly distributed by the way that the round depressions collect materials in advance and then the materials are moved upwards by centrifugal force in a swinging mode.
According to the powder-liquid continuous mixer for catalyst production provided by the embodiment of the invention, continuous feeding of powder is realized through the powder feeding cylinder 3, and continuous feeding of liquid is realized through the spray head, so that continuous production and automatic production are realized, the production efficiency is improved, and the labor intensity of operators is reduced.
In another embodiment provided by the present invention, further, the nozzle includes a body 11, the body 11 includes a liquid delivery channel 12 and an atomized liquid spray hole 10 connected together, and a flared portion 13 is disposed on a portion of the liquid delivery channel 12 connected to the atomized liquid spray hole 10. The connecting area of the atomized liquid spray hole 10 and the liquid conveying channel 12 is increased through the flaring part 13,
further, still be provided with branch sap cavity 14 in the body 11, infusion passageway 12 connects through flaring portion 13 branch one side of sap cavity 14, divide the opposite side of sap cavity 14 to connect atomizing hydrojet hole 10, divide sap cavity 14 to provide a great buffering accommodation space, avoid dispersing into the atomizing hydrojet hole 10 of broad suddenly by thinner infusion passageway 12 and lead to inhomogeneous, make atomizing hydrojet hole 10 spun liquid curtain more even through buffering accommodation space. Preferably, the orifice of the atomized liquid spray hole 10 is in a necking shape, the necking shape improves the flow velocity, and the sprayed liquid curtain is more uniform through the necking.
In still another embodiment of the present invention, further, the present invention further includes a screw kneading mechanism, the screw kneading mechanism is disposed on the discharge port 18, the screw kneading mechanism includes a conveying pipe 15, a rotating shaft is disposed in the conveying pipe 15, a kneading screw 16 is disposed on the rotating shaft, the rotating shaft is driven by a kneading motor to rotate, and a feed port of the conveying pipe 15 is connected to the discharge port 18, so that the conveying pipe 15 is used to convey the wet powder, and the kneading screw 16 is used to mix and compress the wet powder again, so as to prevent insufficient wetting during centrifugation, so that mixing is more sufficient, and the kneading is used to provide extrusion assistance for a next rod extruder. Preferably, the end (discharge port side) of the kneading screw 16 is provided with a reverse screw blade by which the material is pushed in reverse to perform secondary mixing, and also to prevent the material from being stacked and entering the end bearing.
In still another embodiment of the present invention, further, the present invention further includes a crushed material column 19, a plurality of crushed material columns 19 arranged along a vertical direction are disposed on an inner wall of the housing 1, an end of the crushed material column 19 is disposed opposite to an upper surface of the mixing disk 4, and a distance between the end of the crushed material column 19 and the upper surface of the mixing disk 4 is less than 2mm, the crushed material column 19 is used for crushing materials, which may be a mixture of powders and may have different sizes of various powders, and the crushed materials after being wetted may have large sizes due to adhesion, the crushed material column 19 is connected to the inner wall of the mixing chamber 2, and the mixing disk 4 is centrifuged to make the large sizes of powders impact on the crushed material column 19, so as to prevent a part of powders with excessively large sizes, such as powders with sizes greater than 1 cm.
Furthermore, the end of the pillar 19 opposite to the mixing disc 4 is provided with a plurality of sharp parts, such as fine spikes, which are used to improve the crushing effect.
Still further, the plurality of crushed material columns 19 are arranged at different radial positions of the mixing disc 4, and the plurality of crushed material columns 19 are arranged at different radial positions to block most or even all large-size powder materials, so that the large-size powder materials are prevented from being missed.
In still another embodiment of the present invention, further, the housing 1 is connected to the powder feeding cylinder 3 through a vibration damping mechanism, and the nozzle 9 is fixed to the powder feeding cylinder 3, so that the motor has a vibration effect, and the whole vibration of the housing 1 drives the nozzle 9 and the powder feeding cylinder 3 to vibrate, so that the powder and the liquid are difficult to be uniformly dispersed. The vibration of the shell 1 is reduced by the vibration reduction mechanism, and the amplitude of the vibration transmitted to the powder feeding cylinder 3 is reduced, so that the powder and the liquid are dispersed more uniformly. Generally, the damping mechanism comprises a damping element such as a spring or rubber, and the housing 1 and the powder feeding cylinder 3 are respectively connected with the damping element directly or indirectly, so that the effect of connecting the two through the damping mechanism is realized.
As shown in fig. 5, preferably, the vibration damping mechanism includes a first connecting plate 28 and a second connecting plate 29 which are oppositely arranged, the first connecting plate 28 and the second connecting plate 29 are connected through a rubber block 30, the first connecting plate 28 is fixed on the outer wall of the powder feeding cylinder 3, the housing 1 is connected to the second connecting plate 29, both the first connecting plate 28 and the rubber block 30 are circular pieces, the first connecting plate 28 is sleeved on the powder feeding cylinder 3, and the rubber block 30 is sleeved on the first connecting plate 28, so as to realize direct vibration damping of the housing 1 and the powder feeding cylinder 3.
Furthermore, the second connecting plate 29 is provided with a U-shaped portion, the end of the housing 1 is inserted into the opening in the middle of the U-shaped portion, a screw rod penetrates through the ends of the U-shaped portion and the housing 1, the upper side and the lower side of the end of the housing 1 are both provided with elastic pieces 31 such as rubber pieces or springs, the two elastic pieces 31 are both sleeved on the screw rod, so that the two elastic pieces 31 are also arranged between the housing 1 and the second connecting plate 29, and the maximized vibration reduction and the vibration reduction in multiple directions of the powder feeding cylinder 3 and the nozzle 9 are realized through double vibration reduction.
In a further embodiment of the present invention, as shown in fig. 3-4, a collecting plate 26 is disposed at the end of the scraping plate 17, and the collecting plate 26 is attached to the inner wall of the mixing chamber 2, which is used for collecting the scraped materials through the collecting plate 26, so that the scraped materials are prevented from entering the gap between the scraping plate 17 and the inner wall of the mixing chamber 2.
Further, the collection sheet 26 is a sheet of material of gradually decreasing thickness with the tips thereof being used for scraping to make the collection more efficient.
Still further, the tip of the collecting plate 26 is provided with a brush 27, which has the function of sweeping the inner wall of the mixing chamber 2 simultaneously during scraping, so that the scraping and sweeping functions are dual.
As shown in fig. 6, an embodiment of the present invention provides a continuous metering and mixing production line for catalyst production, including:
the device comprises at least two storage hoppers 20, wherein a dust collector 21 is arranged at a feed inlet of each storage hopper 20;
the discharge port of each storage hopper 20 is connected with one metering scale 22;
the dry powder mixer 23 is connected with the discharge ports of the weighing scales 22 in a one-to-one correspondence manner through pipelines;
a liquid storage tank 24;
a liquid metering pump 25 connected to a liquid discharge port of the liquid storage tank 24 through a pipe;
and a powder feeding cylinder 3 of the powder-liquid continuous mixer is connected with a discharge port of the dry powder mixer 23 through a pipeline, and a spray head of the powder-liquid continuous mixer is connected with a liquid discharge port of the liquid metering pump 25 through a pipeline.
Specifically, the feeding device comprises a bag opening station, a storage hopper 20, a disk feeder and the like, which are integrated into a whole, so that the installation height is reduced; the bag opening station is provided with a dust collector 21, and when manual feeding is needed, the dust collector 21 automatically operates to avoid dust raising; the dust collectors 21 of the storage hoppers 20 are completely independent, and dust recovered by the dust collectors 21 directly returns to the respective hoppers during back blowing, so that material mixing and waste are avoided. The storage hopper 20 is provided with an upper limit material level gauge and a lower limit material level gauge, and when the material level is lower than the lower limit or higher than the upper limit, an audible and visual alarm is given to remind an operator to carry out treatment; the disk feeder is directly arranged at the bottom of the storage hopper 20 and is provided with a stirrer, so that the storage hopper 20 can be prevented from being incapable of normally discharging due to bridging; the feed inlet of the disk feeder is larger than 300mm, so that the blockage of the outlet of the hopper can be avoided. The metering scale has the characteristics of avoiding the bridging and blocking phenomena of powder. The self-pressure regulating function of the pressure regulating plate and the constant volume supply of the supply plate ensure that the supply precision of the powder is extremely high. And the weigher has the functions of dispersing, scraping and discharging materials, so that the faults caused by powder adhesion, agglomeration and caking are avoided.
The dry powder mixer 23 is preferably a dry powder continuous mixer which is composed of a conveying section and a mixing section and is mainly used for conveying and mixing various powdery materials, and online continuous mixing is realized in the conveying process with smaller power. Utilize the rotation of screw axis, impel the material after the measurement along the axial, realize the horizontal transport of material, the material reaches the mixing section after, is carried out continuous homogeneous mixing to the material by mixing vane in confined mixing chamber 2, and the spiral end (discharge gate side) is provided with reverse helical blade, and the reverse promotion material carries out the secondary and mixes, also prevents material pile and gets into end bearing.
In the embodiment, the conveying amount of the liquid is adjusted through the variable frequency motor, and the powder-liquid ratio is controlled. The digital liquid flowmeter is arranged on the liquid conveying pipeline, so that the liquid flow can be accurately and automatically adjusted according to digital display, and a good mixing effect is ensured. The stable and reliable control of the whole metering and mixing system is completed. Including SIEMENS S7-300 series programmable controllers, communication expansion modules, touch display screens (or operator stations).
In the above technical solution, since the above powder-liquid continuous mixer for catalyst production has the above technical effects, a continuous metering mixing production line including the powder-liquid continuous mixer should also have corresponding technical effects.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A powder-liquid continuous mixer for catalyst production comprises a shell and is characterized in that a mixing cavity is arranged in the shell, a powder feeding cylinder is vertically arranged at the top of the shell, a mixing disc is horizontally arranged in the middle of the mixing cavity, a material distributing cone is arranged in the central area of the mixing disc and is positioned right below a discharge port of the powder feeding cylinder, and a blanking gap is formed between the edge of the mixing disc and the side wall of the mixing cavity; the back of the mixing disc is connected with a scraping plate, the side edge of the scraping plate is attached to the inner wall of the middle lower part of the mixing cavity, and the lower part of the mixing cavity is provided with a discharge port;
the mixing device also comprises a driving motor, wherein the driving motor drives the mixing disc to rotate through a transmission shaft;
at least two pairs of nozzles are symmetrically arranged on two sides of the powder feeding cylinder, atomized liquid spraying holes are formed in the nozzles to spray atomized liquid curtains, a plurality of atomized liquid curtains of the plurality of pairs of nozzles are combined to spray annular liquid curtains, and the powder feeding cylinder is located in the center of the annular liquid curtains;
the upper central area of the mixing disc is a horizontal plane part, the material distribution cone is arranged on the horizontal plane part, the part of the upper circle of the mixing disc, which surrounds the horizontal plane part, is of an inverted truncated cone-shaped structure, powder falling from the material distribution cone is firstly accumulated in the inverted truncated cone-shaped structure surrounding the material distribution cone, and then the powder moves from bottom to top under the action of centrifugal force of the mixing disc.
2. The powder-liquid continuous mixer according to claim 1, wherein the nozzle comprises a body, the body comprises a liquid delivery channel and an atomized liquid spray hole which are connected, and a flared part is arranged on the liquid delivery channel and connected with the atomized liquid spray hole.
3. The powder-liquid continuous mixer according to claim 2, wherein a liquid distribution chamber is further provided in the body, the liquid delivery passage is connected to one side of the liquid distribution chamber through a flared portion, and the other side of the liquid distribution chamber is connected to the atomization liquid spraying hole.
4. The powder-liquid continuous mixer according to claim 2, wherein the orifice of the atomizing liquid-ejecting hole is formed in a constricted shape.
5. The powder-liquid continuous mixer according to claim 1, further comprising a screw kneading mechanism, wherein the screw preloading mechanism comprises a conveying pipeline, a rotating shaft is arranged in the conveying pipeline, a kneading screw is arranged on the rotating shaft, the rotating shaft is driven by a kneading motor to rotate, and a feeding port of the conveying pipeline is connected to the discharging port.
6. The powder-liquid continuous mixer according to claim 1, further comprising a cull column, wherein a plurality of cull columns are provided on an inner wall of the housing in a vertical direction, an end of the cull column is disposed opposite to an upper surface of the mixing tray, and a distance between the end of the cull column and the upper surface of the mixing tray is less than 2 mm.
7. The powder-liquid continuous mixer of claim 6, wherein a plurality of the particle posts are arranged at different radial positions of the mixing disk.
8. A continuous metering mixing line for catalyst production, comprising:
the dust collector is arranged at a feed inlet of each storage hopper;
the discharge port of each storage hopper is connected with one metering scale;
the feed inlets of the dry powder mixing machine are respectively in one-to-one correspondence with the discharge outlets of the weighing scales through pipelines;
a liquid storage tank;
the liquid metering pump is connected with a liquid outlet of the liquid storage tank through a pipeline;
the powder-liquid continuous mixer of any one of claims 1 to 7, wherein the powder feeding cylinder is connected to the discharge port of the dry powder mixer through a pipeline, and the nozzle is connected to the liquid discharge port of the liquid metering pump through a pipeline.
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| CN201811088860.XA CN109126602B (en) | 2018-09-18 | 2018-09-18 | Powder-liquid continuous mixer and continuous metering mixing production line |
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| CN201811088860.XA CN109126602B (en) | 2018-09-18 | 2018-09-18 | Powder-liquid continuous mixer and continuous metering mixing production line |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000071237A1 (en) * | 1999-05-25 | 2000-11-30 | Ferenc Inotay | Device for the mixing of liquid with gas and/or other liquids and/or granular, favourably powder-like material, and for the transportation of such mixtures |
| CN1939581A (en) * | 2005-09-30 | 2007-04-04 | 株式会社粉研宝泰司 | Continuous power/liquid mixing apparatus |
| CN101584971A (en) * | 2003-12-30 | 2009-11-25 | 株式会社千田工程 | Curing agent supply device and proportion adjusting device |
| CN106345351A (en) * | 2016-08-29 | 2017-01-25 | 巴中市方圆环保科技发展有限责任公司 | Intelligent production system of high-molecular environmental protection material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552688U (en) * | 2009-12-04 | 2010-08-18 | 川田机械制造(上海)有限公司 | Powder measuring and conveying device |
| CN204638058U (en) * | 2015-05-25 | 2015-09-16 | 宁波双人新材料有限公司 | A kind of thermohardening lacquer powder mixing device |
| CN206415059U (en) * | 2017-01-18 | 2017-08-18 | 吉林省农业科学院 | A kind of compound biological feedstuff of stalk mixing arrangement |
-
2018
- 2018-09-18 CN CN201811088860.XA patent/CN109126602B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000071237A1 (en) * | 1999-05-25 | 2000-11-30 | Ferenc Inotay | Device for the mixing of liquid with gas and/or other liquids and/or granular, favourably powder-like material, and for the transportation of such mixtures |
| CN101584971A (en) * | 2003-12-30 | 2009-11-25 | 株式会社千田工程 | Curing agent supply device and proportion adjusting device |
| CN1939581A (en) * | 2005-09-30 | 2007-04-04 | 株式会社粉研宝泰司 | Continuous power/liquid mixing apparatus |
| CN106345351A (en) * | 2016-08-29 | 2017-01-25 | 巴中市方圆环保科技发展有限责任公司 | Intelligent production system of high-molecular environmental protection material |
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