CN211963109U - Spray drying equipment is used in fertilizer production - Google Patents
Spray drying equipment is used in fertilizer production Download PDFInfo
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- CN211963109U CN211963109U CN202020323271.1U CN202020323271U CN211963109U CN 211963109 U CN211963109 U CN 211963109U CN 202020323271 U CN202020323271 U CN 202020323271U CN 211963109 U CN211963109 U CN 211963109U
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Abstract
The utility model relates to a fertilizer production technical field especially relates to a spray drying equipment is used in fertilizer production. It includes the casing, sets up in the feed liquid import and the hot-blast import of casing and set up in the atomizer of feed liquid import, its characterized in that: the shell comprises a communicated cylinder and a cone in sequence from top to bottom, the feed liquid inlet is arranged at the top of the cylinder, and the hot air inlet is arranged at the bottom of the cone; and a cold air inlet is tangentially arranged on the part of the cylinder body, which is positioned on the same horizontal plane with the atomizing nozzle. The utility model discloses a cold air drying and hot air drying dual drying can effectively improve the drying effect of fertilizer.
Description
Technical Field
The utility model relates to a fertilizer production technical field especially relates to a spray drying equipment is used in fertilizer production.
Background
In the production process of biological medicine fertilizer, dry organic fertilizer is needed, the fertilizer is usually produced by using a spray drying device, the spray drying is a method of applying systematic technology to material drying, thin materials are atomized in a drying chamber, and moisture is rapidly vaporized in contact with hot air, so that a dry product is obtained. The method can directly dry the solution and emulsion into powder or granular product, and can omit the processes of evaporation, pulverization, etc., and the spray drying method includes pressure spray drying method, centrifugal spray drying method, and air flow spray drying method.
Application number is 201620420485.4's patent document discloses such spray drying tower for water-soluble fertilizer of production, including tower shell, top cap, awl end, the tower shell upper end is provided with the top cap, and the intercommunication has the air to advance the pipe on the top cap, and the air advances intraduct and is equipped with air heater, and the upper end of the tower intracavity portion of tower shell is provided with the helicla flute nozzle, and the feed liquid pipe passes the tower shell and is connected with the helicla flute nozzle, and helicla flute nozzle direction is down, and the tower shell bottom is provided with the awl end, be provided with more than one baffle along vertical direction on the inner wall of tower shell, be provided with cyclone below the awl end, the cyclone bottom is provided with the finished product storage tank, is provided with the return air pipe in the cyclone, and the return air pipe stretches into. Such spray drying devices all suffer from the following drawbacks: the feed liquid is dried only by hot air, and the drying strength is not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problem and provide a spray drying equipment is used in fertilizer production
The utility model provides a technical scheme of problem provides a spray drying equipment is used in fertilizer production, including the casing, set up in the feed liquid import of casing and hot-blast import and set up in the atomizer of feed liquid import, its characterized in that: the shell comprises a communicated cylinder and a cone in sequence from top to bottom, the feed liquid inlet is arranged at the top of the cylinder, and the hot air inlet is arranged at the bottom of the cone; and a cold air inlet is tangentially arranged on the part of the cylinder body, which is positioned on the same horizontal plane with the atomizing nozzle.
In this application, adopt cold air drying and hot air drying dual drying, can effectively improve drying effect. The principle is as follows: the cold wind that the tangential got into can drive the fog liquid that comes out from the atomizer along shells inner wall, be the heliciform and from top to bottom move, and the fog liquid is taken away the moisture in the fog liquid by the low wet cold wind of low temperature on the one hand, and the fog grain that on the other hand preliminary drying obtained can be the same as cyclone's principle, is got rid of to shells inner wall contact and loses inertial force, falls to contact hot-blast along shells inner wall to further receive hot-blast drying. The cold air separated from the fog particles turns upwards along the axis of the shell, so that the fog liquid from the atomizing nozzle is impacted to be contacted with the newly-incoming cold air, and the contact degree of the fog liquid and the newly-incoming cold air is improved.
In order to prevent impurities from being brought into the air inlet, the utility model discloses an it is preferred, all be equipped with the filter pulp in the pipeline of cold wind import and hot-blast import.
In order to improve the contact degree of hot air and fog particles, as the utility model discloses preferred, the bottom of cone is equipped with the loop forming element, the outer loop of loop forming element with cone inner wall connection, inner ring form the discharge gate, and the discharge gate is equipped with movable closure; the ring-shaped piece is provided with a hot air outlet pipe close to the ring surface in the cone, and the cone generatrix where the hot air outlet pipe is positioned is parallel to the hot air outlet pipe.
As the utility model discloses the preferred, the movable closure piece includes the pivot through the annular member inner ring center and set up in the pivot, the radius is not less than the hemisphere of discharge gate radius, the both ends of pivot are connected with the annular member inner ring through rolling bearing respectively; when the discharge hole is sealed, the hemispherical surface of the movable sealing piece is close to the inside of the shell. When mist falls to the discharge port directly, the mist slides to the hot air outlet pipe along the spherical surface, so that hot air drying is achieved.
In order to guarantee the sealing effect of the movable closing part, the utility model discloses an optimization, the radius of hemisphere is greater than the discharge gate radius, the hemisphere is the rubber hemisphere.
As another preferred embodiment of the present invention, the radius of the hemisphere is equal to the radius of the discharge port, and the spherical surface of the hemisphere can be magnetically attracted to the inner ring of the ring member.
As the utility model discloses a preferred, the feed liquid import sets up in cylinder top center, be equipped with around the feed liquid import and filter the exhaust net.
In order to avoid the fog grain bonding at shells inner wall, as the utility model discloses a preferred, the casing includes inner shell and shell, it vibrates the piece to be equipped with the collision between inner shell and the shell, the collision is vibrate the piece including being on a parallel with cylinder axial axle body, drive axis body pivoted motor, locate through eccentric hole cover the impactor of axis body, the maximum distance of impactor side to axis body is not less than the distance of inner shell to axis body. The impact of the impact body on the inner shell causes the adhered fog particles to be shaken off.
As the utility model discloses a preferred, the collision is vibrate the piece at least be equipped with two, and use the casing center pin to set up equally as the center between inside and outside shell, the axis body that the collision was vibrate the piece all is equipped with the gear, and the gear and a ring gear meshing that all collisions were vibrated the piece.
Preferably, the annular part is hollow, and the annular surface far away from the inside of the shell is communicated with hot air generating equipment; the hot air generating equipment is also communicated with the space between the inner shell and the outer shell to preheat the inner shell, so that the fog particles are heated and dried when contacting the wall of the inner shell.
The utility model has the advantages that:
1. through the cold air inlet arranged at the upper part and the hot air inlet arranged at the bottom, cold air sinks and hot air rises, so that the fog liquid is dried by adopting double drying of cold air drying and hot air drying, and the drying effect can be effectively improved.
2. The cold air inlet is tangentially arranged, the principle of cyclone dust removal is adopted, mist rotating along with cold air can be separated from the cold air after being dried by the cold air, and then the mist can be contacted with hot air for drying, and the separated cold air can further impact the mist to disperse the mist, so that the contact degree of the mist and the air is improved.
3. The collision vibration piece is arranged to collide the inner shell to prevent the wall of the inner shell from being adhered with fog particles.
Drawings
FIG. 1 is a schematic structural view of a spray drying apparatus for fertilizer production;
FIG. 2 is a top view of a spray drying apparatus for fertilizer production;
in the figure: the device comprises a shell 1, a cylinder 11, a cold air inlet 111, a filtering exhaust net 112, a cone 12, a ring-shaped part 121, a hot air outlet pipe 1211, a movable sealing part 122, an inner shell 13, a shaft body 131, a motor 132, an impact body 133, a gear ring 134, an outer shell 14, an atomizing nozzle 2 and a hot air generating device 3.
Detailed Description
The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
A spray drying device for fertilizer production is shown in figures 1 and 2 and comprises a shell 1, a feed liquid inlet and a hot air inlet which are arranged on the shell 1, and an atomizing nozzle 2 arranged on the feed liquid inlet, wherein the shell 1 sequentially comprises a communicated cylinder 11 and a cone 12 from top to bottom, the feed liquid inlet is arranged on the top of the cylinder 11, and the hot air inlet is arranged on the bottom of the cone 12; the cylinder 11 and the atomizing nozzle 2 are provided with a cold air inlet 111 tangentially at the same horizontal plane.
In this application, cold wind import 111 is equipped with the cotton that absorbs moisture to guarantee to get into the low humidity of cold wind. The pipelines of the cold air inlet 111 and the hot air inlet are both provided with filter cotton. The feed liquid inlet is arranged at the center of the top of the cylinder body 11, and a filtering exhaust net 112 is arranged around the feed liquid inlet.
The bottom of the cone 12 is provided with a ring-shaped element 121, the outer ring of the ring-shaped element 121 is connected with the inner wall of the cone 12, the inner ring forms a discharge hole, and the discharge hole is provided with a movable closing element 122; the ring-shaped member 121 is provided with a hot air outlet 1211 near the inner circumferential surface of the cone, a generatrix of the cone where the hot air outlet 1211 is located is parallel to the hot air outlet 1211, and a pipe orifice of the hot air outlet 1211 is the hot air inlet.
The movable sealing element 122 comprises a rotating shaft passing through the center of the inner ring of the annular element 121 and a hemisphere arranged on the rotating shaft and having a radius not smaller than that of the discharge hole, and two ends of the rotating shaft are respectively connected with the inner ring of the annular element through rotating bearings; when the discharge hole is closed, the hemispherical surface of the movable closing part 122 is close to the inside of the shell. Wherein, can make the radius of hemispheroid be greater than the discharge gate radius, the hemispheroid is the rubber hemispheroid, through the elastic action of rubber and annular member 121 inner ring interference combination in order to realize sealing. The radius of the hemisphere can be equal to the radius of the discharge hole, and the spherical surface of the hemisphere can be magnetically attracted and connected with the inner ring of the annular member 121 to realize sealing.
The housing 1 includes an inner housing 13 and an outer housing 14, a collision oscillating member is disposed between the inner housing 13 and the outer housing 14, the collision oscillating member includes a shaft 131 parallel to the axial direction of the cylinder 11, a motor 132 for driving the shaft 131 to rotate, and an impact body 133 sleeved on the shaft 131 through an eccentric hole, a maximum distance from the side surface of the impact body 133 to the shaft 131 is not less than a distance from the inner housing 13 to the shaft 131, generally, the two distances are equal, or the impact body 133 may also be designed to be made of a compressible elastic rubber material, and at this time, the maximum distance from the side surface of the impact body 133 to the shaft 131 may be slightly greater than a distance from the inner housing 13 to the shaft 131. The motor 132 is disposed outside the housing 14, the shaft body 131 penetrates the housing 14 to enter between the inner and outer housings, and the shaft body 131 is connected with the housing 14 through a rotation bearing. The collision oscillation pieces are at least two and are equally divided by taking the central shaft of the shell 1 as the center and are arranged between the inner shell and the outer shell, the shaft body 131 of the collision oscillation pieces is provided with gears, and the gears of all the collision oscillation pieces are meshed with a gear ring 134.
The ring-shaped piece 121 is hollow inside, and the ring surface far away from the inside of the shell 1 is communicated with the hot air generating equipment 3; the hot air generating device 3 is also communicated with the space between the inner shell 13 and the outer shell 14, and in order to improve the heat conduction efficiency of the inner shell 13, the inner shell 13 is made of a heat conduction metal material. At this time, the collision oscillating piece can not only collide with the inner casing 13, but also stir the hot air between the inner and outer casings to uniformly diffuse the hot air.
During the use, get into cold wind by cold wind import 111 tangential, it can contact the fog that sprays out when getting into, especially outside fog to cold wind drives most fog along casing 1 inner wall, is the heliciform and from top to bottom moves, and the fog is taken away the moisture in the fog by the cold wind of low temperature low humidity on the one hand, and the fog grain that on the other hand preliminary drying obtained can be like the principle of cyclone, is got rid of and is lost inertial force to the inner wall contact of inner shell 13, falls along inner shell 13 inner wall. At this time, since hot air is introduced between the inner and outer shells, the inner shell 13 has heat, and thus the mist particles are heated and dried to a certain degree while falling down along the inner shell 13. The mist particles which cannot fall by themselves are vibrated and shaken off when the inner casing 13 is hit by the striker 133, and the mist particles fall until they contact the hot air discharged from the hot air outlet pipe 1211, and are further dried by the hot air. And part of mist liquid which is not taken away by cold air can freely fall down to be in contact with hot air for drying. The cold air separated from the fog particles turns upwards along the axis of the shell, so that fog liquid from the atomizing nozzle 2, particularly the fog liquid in the middle which is difficult to contact with the cold air, is impacted to the periphery, and the contact degree of the fog liquid and the fresh cold air is improved. After the spray drying is finished, the movable closing piece 122 is pushed to rotate, so that the discharge hole is opened to discharge the materials.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a spray drying equipment is used in fertilizer production, includes casing (1), sets up in the feed liquid import and the hot-blast import of casing (1) and sets up in atomizer (2) of feed liquid import, its characterized in that: the shell (1) sequentially comprises a communicated cylinder (11) and a cone (12) from top to bottom, the feed liquid inlet is formed in the top of the cylinder (11), and the hot air inlet is formed in the bottom of the cone (12); and a cold air inlet (111) is tangentially arranged on the part, located on the same horizontal plane, of the cylinder body (11) and the atomizing spray head (2).
2. The spray drying apparatus for fertilizer production of claim 1, wherein: the bottom of the cone (12) is provided with a ring-shaped piece (121), the outer ring of the ring-shaped piece (121) is connected with the inner wall of the cone (12), the inner ring forms a discharge hole, and the discharge hole is provided with a movable closing piece (122); the ring-shaped piece (121) is provided with a hot air outlet pipe (1211) close to the ring surface in the cone, and a cone generatrix where the hot air outlet pipe (1211) is located is parallel to the hot air outlet pipe (1211).
3. The spray drying apparatus for fertilizer production of claim 2, wherein: the movable sealing piece (122) comprises a rotating shaft passing through the center of the inner ring of the annular piece (121) and a hemispheroid which is arranged on the rotating shaft and has the radius not smaller than that of the discharge hole, and two ends of the rotating shaft are respectively connected with the inner ring of the annular piece through rotating bearings; when the discharge hole is closed, the hemispherical surface of the movable closing part (122) is close to the inside of the shell.
4. The spray drying apparatus for fertilizer production of claim 3, wherein: the radius of the hemisphere is larger than that of the discharge hole, and the hemisphere is a rubber hemisphere.
5. The spray drying apparatus for fertilizer production of claim 3, wherein: the radius of the hemisphere is equal to that of the discharge hole, and the spherical surface of the hemisphere can be magnetically attracted with the inner ring of the annular piece (121).
6. The spray drying apparatus for fertilizer production of claim 1, wherein: the feed liquid import sets up in cylinder (11) top center, be equipped with around the feed liquid import and filter exhaust net (112).
7. The spray drying apparatus for fertilizer production of claim 3, wherein: the casing (1) comprises an inner casing (13) and an outer casing (14), wherein a collision vibration part is arranged between the inner casing (13) and the outer casing (14), the collision vibration part comprises a shaft body (131) parallel to the axial direction of the cylinder body (11), a motor (132) for driving the shaft body (131) to rotate, and an impact body (133) sleeved on the shaft body (131) through an eccentric hole, and the maximum distance from the side surface of the impact body (133) to the shaft body (131) is not less than the distance from the inner casing (13) to the shaft body (131).
8. The spray drying apparatus for fertilizer production of claim 7, wherein: the collision oscillation piece is at least provided with two and is arranged between the inner shell and the outer shell in an evenly-divided mode by taking a central shaft of the shell (1) as a center, gears are arranged on a shaft body (131) of the collision oscillation piece, and the gears of all the collision oscillation pieces are meshed with a gear ring (134).
9. The spray drying apparatus for fertilizer production of claim 7, wherein: the ring-shaped piece (121) is hollow inside, and the ring surface far away from the inside of the shell (1) is communicated with hot air generating equipment (3); the hot air generating device (3) is also communicated with the space between the inner shell (13) and the outer shell (14).
10. The spray drying apparatus for fertilizer production of claim 1, wherein: and filter cotton is arranged in the pipelines of the cold air inlet (111) and the hot air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020323271.1U CN211963109U (en) | 2020-03-16 | 2020-03-16 | Spray drying equipment is used in fertilizer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020323271.1U CN211963109U (en) | 2020-03-16 | 2020-03-16 | Spray drying equipment is used in fertilizer production |
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| CN211963109U true CN211963109U (en) | 2020-11-20 |
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| CN202020323271.1U Active CN211963109U (en) | 2020-03-16 | 2020-03-16 | Spray drying equipment is used in fertilizer production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534281A (en) * | 2022-02-25 | 2022-05-27 | 江苏三吉利化工股份有限公司 | Hydroquinone spray drying device and method |
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2020
- 2020-03-16 CN CN202020323271.1U patent/CN211963109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534281A (en) * | 2022-02-25 | 2022-05-27 | 江苏三吉利化工股份有限公司 | Hydroquinone spray drying device and method |
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