CN217367176U - Fluidization spray drying tower - Google Patents
Fluidization spray drying tower Download PDFInfo
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- CN217367176U CN217367176U CN202220165408.4U CN202220165408U CN217367176U CN 217367176 U CN217367176 U CN 217367176U CN 202220165408 U CN202220165408 U CN 202220165408U CN 217367176 U CN217367176 U CN 217367176U
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- air inlet
- drying tower
- dispersion
- drying
- spray drying
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a fluidized spray drying tower, which is connected with an atomizer through a feeding end of a feeding channel so as to feed atomized particles after the atomizer atomizes materials into a drying cavity, is connected with the high-pressure hot gas system through the gas inlet ring so as to feed the high-pressure hot gas circulation flow through a plurality of gas inlets which are distributed annularly, thus, after entering the drying cavity, the atomized particles are immediately mixed and dried with the high-pressure hot air circulation, meanwhile, the rotationally arranged dispersion structure can further promote the circulation dispersion effect of the high-pressure hot gas and the dispersion effect of the mist particles, so that the uniform mixing degree of the mist particles and the high-pressure hot gas can be fully improved, the purpose of improving the uniform mixing and drying effect is achieved, and further, carry out the powder dispersion through the dispersion plate of dry chamber lower part, prevent the powder outflow through the interior backflow structure of preventing of exhaust vent, can both fully improve the dry production efficiency of whole drying tower.
Description
Technical Field
The utility model relates to a drying equipment, in particular to fluidization spray drying tower.
Background
Spray drying refers to that the material in emulsion or solution form is sprayed by an atomizer to obtain mist-like particles which are rapidly contacted and mixed with hot air, and heat exchange is completed in a very short time to obtain a powder finished product, so that the production efficiency is high, and the operation is convenient. The traditional fluidized spray drying tower mostly adopts the mode of spraying high-pressure hot gas from bottom to top and spraying vaporific particles from top to bottom to carry out simple mixed drying, the mixing efficiency is lower, powder finished products easily flow out of the tower along with the high-pressure hot gas, and the drying production efficiency is seriously reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fluidization spray drying tower can fully improve mixing efficiency and effectively improve production efficiency.
According to the utility model discloses fluidization spray drying tower, include:
the drying tower comprises a drying tower main body, a drying cavity and a discharge hole are arranged at the bottom end of the drying cavity, an exhaust port connected with the drying cavity and an anti-backflow structure positioned in the exhaust port are arranged at the lower part of the drying tower main body, the exhaust port is positioned above the discharge hole, and a feeding channel connected with the drying cavity is arranged in the center of the top of the drying tower main body;
the air inlet ring is arranged on the inner side wall of the drying cavity and is positioned below the feeding channel, the central axis of the air inlet ring is overlapped with the central axis of the drying cavity, and a plurality of air inlets are uniformly formed in the inner side of the air inlet ring around the central axis;
the dispersion plate is horizontally arranged at the lower part of the drying cavity and is positioned below the exhaust port, and a plurality of sieve holes are uniformly formed in the dispersion plate;
the dispersion structure corresponds to the feeding channel and is rotatably arranged in the drying cavity, and the top end of the dispersion structure is close to the delivery end (namely one end in the drying cavity) of the feeding channel.
According to the utility model discloses fluidization spray drying tower has following technological effect at least:
the utility model provides a fluidization spray drying tower, send into the end through feedstock channel and connect the atomizer, so that send into the dry intracavity with vaporific granule behind the atomizer atomizing material, be connected with high-pressure hot gas system through the ring of admitting air, so that send into high-pressure hot gas circulation through a plurality of air inlets of annular distribution, vaporific granule gets into dry intracavity back like this, just mix dry with high-pressure hot gas circulation immediately, meanwhile, the dispersion structure of rotation setting can further promote circulation dispersion effect and vaporific granule's dispersion effect of high-pressure hot gas, so can fully improve vaporific granule and high-pressure hot gas's mixing degree, reach the purpose that improves mixing dry effect, it is further, exert the cloth effect through the dispersion board that sets up in dry chamber lower part, not only do benefit to the shaping of powder, can disperse when the powder finished product passes through the dispersion board again and break up, further, when exhausting, the interior backflow prevention structure of exhaust port can enough block and adsorb the powder and avoid the powder to flow out, can avoid external air current to get into the drying intracavity again, is favorable to fully improving the dry production efficiency of whole drying tower.
According to some embodiments of the invention, the gas vent tilt up sets for further improving the blocking effect.
According to the utility model discloses a some embodiments, backflow prevention structure is in be provided with a plurality of crisscross distributions each other in the gas vent and have elastic check lamella, the check lamella to the end of seeing off (keeping away from the one end in dry chamber promptly) slope setting of gas vent, obviously, when carrying out the work of exhausting, certain elastic deformation can take place along the exhaust direction for elastic check lamella, so both do benefit to the promotion and exhaust, can exert certain powder again and block the effect, and when having the external gas backward flow, the check lamella can kick-back and have closed trend each other even to the effect of full play non return.
According to the utility model discloses a some embodiments, it evenly is provided with a plurality of chambeies of admitting air, and is a plurality of the chamber of admitting air winds the central axis evenly distributed of ring of admitting air, the outside of ring of admitting air is provided with the connection the intake pipe in chamber of admitting air, and is a plurality of the air inlet corresponds the chamber of admitting air evenly divide into the multiunit, every group the air inlet is connected and is corresponded the chamber of admitting air, the mode of arranging with the annular like this can send into high-pressure steam, is favorable to fully improving the mixing effect of high-pressure steam and vaporific granule.
According to the utility model discloses a some embodiments, the air inlet send out the end (be located the one end of dry intracavity promptly) to the lower part slope setting of dry chamber to make the high pressure steam that the annular was sent into can the rapid impact mix, thereby fully improve the mixing effect.
According to the utility model discloses a some embodiments, correspond on the lateral wall of drying tower main part the intake pipe is provided with the mounting hole, the intake pipe laminating the edge of mounting hole is provided with seal structure to be used for improving the sealed effect at mounting hole edge.
According to the utility model discloses a some embodiments, the dispersed structure is provided with first dispersed portion and the second dispersed portion that from top to bottom splices in proper order, the top of first dispersed portion is close to feedstock channel's the end of seeing off, the stirring radius of first dispersed portion is less than the stirring radius of second dispersed portion to be used for fully improving the mixing effect.
According to the utility model discloses a some embodiments, the stirring radius of second dispersed portion from top to bottom increases in proper order to be used for fully improving the mixing effect.
According to the utility model discloses a some embodiments, first dispersion portion is provided with first axis of rotation and sets up the first helical blade in first axis of rotation, first helical blade's outer end edge from top to bottom keeps the parallel and level, in order to obtain even stirring radius, it is further, second dispersion portion is provided with the second axis of rotation and sets up the second helical blade in the second axis of rotation, second helical blade's outer end edge from top to bottom is close to the inside wall in dry chamber gradually, thereby obtain the stirring radius that from top to bottom increases in proper order, in order to fully reach the purpose that improves the dispersion mixing effect.
According to some embodiments of the utility model, transmission structure is connected to the lower extreme of second axis of rotation to connect driving motor through transmission structure.
According to the utility model discloses a some embodiments are provided with intermeshing's first drive gear and second drive gear in the above-mentioned transmission structure, and wherein, the tip of second transmission shaft is connected to first drive gear, and the tip of driving motor's output shaft is connected to second drive gear, can pass through the rotation of the whole dispersed structure of driving motor control like this.
According to some embodiments of the utility model, be located part more than the dispersion board be provided with the spiral guiding gutter on the inside wall in dry chamber, the inboard width (the tank bottom of spiral guiding gutter promptly) of spiral guiding gutter is less than opening width, and the flared spiral guiding gutter that forms like this is favorable to further promoting the mixing degree of hot gas circulation and vaporific granule.
According to some embodiments of the utility model, be located the part below the dispersion board evenly be provided with a plurality of dispersion archs on the inside wall in dry chamber to be used for cooperating above-mentioned dispersion board further to improve the shaping of powder and disperse ejection of compact effect.
According to the utility model discloses a some embodiments, the lower part of drying chamber is provided with cyclic annular boss, corresponds cyclic annular boss simultaneously and is provided with the clamping ring, and the clamping ring is used for compressing tightly the dispersion board on cyclic annular boss.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a fluidized spray drying tower according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an air inlet ring according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an air intake according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a spiral flow guide groove according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a dispersing protrusion according to an embodiment of the present invention;
reference numerals are as follows:
a drying tower main body 100, a feeding channel 101, an air inlet ring 102, an air inlet 103, a first dispersion part 104, a first helical blade 105, a second dispersion part 106, a second helical blade 107, an air outlet 108, a backflow prevention structure 109, a pressure ring 110, a dispersion plate 111, a transmission structure 112 and a discharge hole 113;
an air inlet cavity 200 and an air inlet pipe 201;
a spiral guide groove 400;
the protrusions 500 are dispersed.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for a worker of ordinary skill in the art.
Referring to fig. 1 to 5, the present invention provides a fluidized spray drying tower, comprising:
the drying tower comprises a drying tower main body 100, wherein the drying tower main body 100 is provided with a drying cavity, a discharge hole 113 is formed in the bottom end of the drying cavity, an exhaust port 108 connected with the drying cavity and an anti-backflow structure 109 located in the exhaust port 108 are arranged at the lower part of the drying tower main body 100, the exhaust port 108 is located above the discharge hole 113, and a feeding channel 101 connected with the drying cavity is formed in the center of the top of the drying tower main body 100;
the air inlet ring 102 is arranged on the inner side wall of the drying cavity and is positioned below the feeding channel 101, the central axis of the air inlet ring 102 is overlapped with that of the drying cavity, and a plurality of air inlets 103 are uniformly arranged on the inner side of the air inlet ring 102 around the central axis;
the dispersion plate 111 is horizontally arranged at the lower part of the drying cavity and is positioned below the air outlet 108, and a plurality of sieve holes are uniformly arranged on the dispersion plate 111;
the dispersion structure, dispersion structure correspond feedstock channel 101 and rotate the setting in the drying chamber, and the top of dispersion structure is close to feedstock channel 101's the delivery end (be located the one end in the drying chamber promptly).
According to the above structure, the fluidized spray drying tower provided by the present invention is connected to the atomizer through the feeding end of the feeding channel 101, so as to feed the atomized particles after the material is atomized by the atomizer into the drying cavity, and is connected to the high pressure hot gas system through the gas inlet ring 102, so as to feed the high pressure hot gas circulation through the plurality of gas inlets 103 distributed annularly, such that the atomized particles are immediately mixed and dried with the high pressure hot gas circulation after entering the drying cavity, and at the same time, the rotating dispersion structure can further promote the circulation dispersion effect of the high pressure hot gas and the dispersion effect of the atomized particles, so as to fully improve the mixing degree of the atomized particles and the high pressure hot gas, and achieve the purpose of improving the mixing and drying effect, further, the material distribution effect is exerted through the dispersion plate 111 arranged at the lower part of the drying cavity, which is not only beneficial to the powder forming, again can disperse when the powder finished product passes through dispersion board 111 and break up, further, when exhausting, backflow structure 109 in the gas vent 108 can enough block and adsorb the powder and avoid the powder to flow out, can avoid external air current to get into the drying chamber again, is favorable to fully improving the dry production efficiency of whole drying tower.
In some embodiments of the present invention, as shown in fig. 1, the exhaust port 108 is disposed to be inclined upward for further improving the blocking effect.
In some embodiments of the utility model, as shown in fig. 1, backflow-preventing structure 109 is provided with a plurality of crisscross distributions each other and has elastic check lamella in gas vent 108, the check lamella sets up to the delivery end (keeping away from the one end in dry chamber promptly) slope of gas vent 108, it is obvious, when exhausting the during operation, certain elastic deformation can take place along the exhaust direction for elastic check lamella, so both do benefit to and promote to exhaust, can exert certain powder again and block the effect, and when having external gas backward flow, the check lamella kick-backs and has closed trend each other even, thereby the effect of full play non return.
The utility model discloses an in some embodiments, as shown in fig. 2, evenly be provided with a plurality of air intake chamber 200 in the ring 102 of admitting air, a plurality of air intake chamber 200 are around the central axis evenly distributed of air intake ring 102, the outside of air intake ring 102 is provided with the intake pipe 201 of connecting air intake chamber 200, a plurality of air inlets 103 correspond air intake chamber 200 evenly divided into the multiunit, air intake chamber 200 that corresponds is connected to every air inlet 103 of group, can send into high-pressure steam with the mode that the annular was arranged like this, be favorable to fully improving the mixing effect of high-pressure steam and vaporific granule.
In some embodiments of the utility model, as shown in fig. 3, the lower part slope setting of air inlet 103's delivery end (the one end that is located the drying chamber promptly) to the drying chamber to make the high-pressure steam that the annular was sent into can the high impact mix, thereby fully improve the mixing effect.
The utility model discloses an in some embodiments, correspond intake pipe 201 on the lateral wall of drying tower main part 100 and be provided with the mounting hole, the edge of intake pipe 201 laminating mounting hole is provided with seal structure to be used for improving the sealed effect at mounting hole edge.
In some embodiments of the present invention, as shown in fig. 1, the dispersing structure is provided with a first dispersing part 104 and a second dispersing part 106 which are sequentially spliced from top to bottom, the top end of the first dispersing part 104 is close to the sending end of the feeding channel 101, and the stirring radius of the first dispersing part 104 is smaller than that of the second dispersing part 106, so as to sufficiently improve the blending effect.
In some embodiments of the present invention, as shown in fig. 1, the stirring radius of the second dispersing portion 106 is sequentially increased from top to bottom for sufficiently improving the blending effect.
In some embodiments of the present invention, as shown in fig. 1, the first dispersing part 104 is provided with a first rotating shaft and a first helical blade 105 disposed on the first rotating shaft, the outer end edge of the first helical blade 105 is kept flush from top to bottom to obtain a uniform stirring radius, further, the second dispersing part 106 is provided with a second rotating shaft and a second helical blade 107 disposed on the second rotating shaft, the outer end edge of the second helical blade 107 is gradually close to the inner side wall of the drying chamber from top to bottom, so as to obtain a stirring radius which is gradually increased from top to bottom, and thereby the purpose of improving the dispersing and mixing effect is fully achieved.
In some embodiments of the present invention, as shown in fig. 1, the lower end of the second rotation shaft is connected to the transmission structure 112, and is connected to the driving motor through the transmission structure 112.
In some embodiments of the present invention, a first transmission gear and a second transmission gear are disposed inside the transmission structure 112, wherein the first transmission gear is connected to the end of the second transmission shaft, and the second transmission gear is connected to the end of the output shaft of the driving motor, so that the rotation of the whole dispersing structure can be controlled by the driving motor.
In some embodiments of the present invention, as shown in fig. 4, a spiral guiding groove 400 is disposed on the inner side wall of the partial drying cavity above the dispersing plate 111, and the inner width of the spiral guiding groove 400 (i.e. the bottom of the spiral guiding groove 400) is smaller than the opening width, so that the flared spiral guiding groove 400 is beneficial to further promote the mixing degree of the hot air circulation and the atomized particles.
In some embodiments of the present invention, as shown in fig. 5, a plurality of dispersing protrusions 500 are uniformly disposed on the inner sidewall of the partial drying chamber below the dispersion plate, so as to cooperate with the dispersion plate 111 to further improve the powder forming and dispersing discharging effects.
In some embodiments of the present invention, as shown in fig. 1, the lower portion of the drying chamber is provided with an annular boss, and a pressing ring 110 is provided corresponding to the annular boss, and the pressing ring 110 is used for pressing the dispersion plate 111 on the annular boss.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fluidized spray drying tower, comprising:
the drying tower comprises a drying tower main body, a drying cavity and a discharge hole are arranged at the bottom end of the drying cavity, an exhaust port connected with the drying cavity and an anti-backflow structure positioned in the exhaust port are arranged at the lower part of the drying tower main body, the exhaust port is positioned above the discharge hole, and a feeding channel connected with the drying cavity is arranged in the center of the top of the drying tower main body;
the air inlet ring is arranged on the inner side wall of the drying cavity and is positioned below the feeding channel, the central axis of the air inlet ring is overlapped with the central axis of the drying cavity, and a plurality of air inlets are uniformly formed in the inner side of the air inlet ring around the central axis;
the dispersion plate is horizontally arranged at the lower part of the drying cavity and is positioned below the exhaust port, and a plurality of sieve holes are uniformly formed in the dispersion plate;
the dispersion structure corresponds to the feeding channel and is rotatably arranged in the drying cavity, and the top end of the dispersion structure is close to the delivery end of the feeding channel.
2. The fluidized spray drying tower of claim 1, wherein the gas outlet is angled upward.
3. A fluidized spray drying tower according to claim 2, wherein said backflow prevention structure is provided with a plurality of resilient check flaps disposed in said gas outlet in a staggered arrangement, said check flaps being disposed obliquely to the delivery end of said gas outlet.
4. The fluidized spray drying tower of claim 1, wherein a plurality of air inlet cavities are uniformly arranged in the air inlet ring, the air inlet cavities are uniformly distributed around the central axis of the air inlet ring, an air inlet pipe connected with the air inlet cavities is arranged outside the air inlet ring, the air inlets are uniformly divided into a plurality of groups corresponding to the air inlet cavities, and each group of air inlets is connected with the corresponding air inlet cavity.
5. A fluidized spray drying tower according to claim 4, wherein the delivery end of the air inlet is inclined towards the lower part of the drying chamber.
6. The fluidized spray drying tower of claim 5, wherein the outer side wall of the drying tower body is provided with a mounting hole corresponding to the air inlet pipe, and the edge of the air inlet pipe, which is attached to the mounting hole, is provided with a sealing structure.
7. A fluidized spray drying tower according to claim 1, wherein the dispersing structure is provided with a first dispersing section and a second dispersing section which are sequentially spliced from top to bottom, the top end of the first dispersing section is close to the delivery end of the feed channel, and the stirring radius of the first dispersing section is smaller than that of the second dispersing section.
8. A fluidized spray drying tower according to claim 7, wherein the radius of agitation of the second dispersion portion increases from top to bottom.
9. A fluidized spray drying tower according to claim 1, wherein a spiral guide groove is provided on the inner side wall of the drying chamber in a portion above the dispersion plate, and the inner width of the spiral guide groove is smaller than the opening width.
10. A fluidized spray drying tower according to claim 9, wherein a plurality of dispersing protrusions are uniformly provided on the inner sidewall of the drying chamber in a portion below the dispersing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220165408.4U CN217367176U (en) | 2022-01-21 | 2022-01-21 | Fluidization spray drying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220165408.4U CN217367176U (en) | 2022-01-21 | 2022-01-21 | Fluidization spray drying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217367176U true CN217367176U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220165408.4U Active CN217367176U (en) | 2022-01-21 | 2022-01-21 | Fluidization spray drying tower |
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| Country | Link |
|---|---|
| CN (1) | CN217367176U (en) |
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2022
- 2022-01-21 CN CN202220165408.4U patent/CN217367176U/en active Active
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