CN219630630U - Spray drying device with uniform air inlet - Google Patents

Spray drying device with uniform air inlet Download PDF

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Publication number
CN219630630U
CN219630630U CN202320554941.4U CN202320554941U CN219630630U CN 219630630 U CN219630630 U CN 219630630U CN 202320554941 U CN202320554941 U CN 202320554941U CN 219630630 U CN219630630 U CN 219630630U
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CN
China
Prior art keywords
drying
air inlet
drying tower
pipe
tower
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CN202320554941.4U
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Chinese (zh)
Inventor
张冬毅
蒋晓东
沈丹岑
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WUXI QUNZHENG DRYING EQUIPMENT CO LTD
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WUXI QUNZHENG DRYING EQUIPMENT CO LTD
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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 spray drying device with uniform air inlet, which comprises a drying tower, wherein a feeding pipe is arranged at the upper end of the drying tower, a drying mechanism is arranged in the drying tower, an air inlet pipeline is arranged at the upper end of the drying tower, and an air blower is arranged at the other end of the air inlet pipeline; the utility model has simple structure and reasonable design, hot air is introduced into the annular air outlet pipe, the hot air dries the inside of the drying tower under the action of the fan, the material enters the atomizer from the feed pipe to be sprayed downwards as fog drops, the fog is in parallel flow contact with hot air conveyed by the annular air outlet pipe, the finished product is dried in extremely short time, some materials sprayed onto the inner wall of the tower through the rotary spray head are dried through the heating pipe, the drying mechanism fully contacts the fog-shaped material at the lower end through improving the annular air outlet pipe, the uniform heating not only improves the drying efficiency, but also saves energy, and the drying quality of the materials remained on the tower wall is ensured by drying the heating pipe.

Description

Spray drying device with uniform air inlet
Technical Field
The utility model relates to the technical field of spray drying, in particular to a spray drying device with uniform air inlet.
Background
In the production process, a spray drying device is required to carry out drying treatment on a material solution, and the solution, emulsion, suspension or paste material containing water is sprayed in hot air by utilizing different atomizers to form tiny liquid drops, and in the falling process of the liquid drops, the water is evaporated to form a powdery or granular product, so that two technological processes of spraying and drying are simultaneously completed in a single process.
When the current spray drying device is used for drying, firstly, the solution is atomized, and then hot air is introduced into the device to be convected with the solution to dry the solution into powder, so that the problems are that: the materials not in the heat convection center are not sufficiently dried, the drying effect is not ideal, and the spray drying hot air has higher requirements, so that the energy consumption is inevitably excessive.
Disclosure of Invention
The utility model aims to provide a spray drying device with uniform air inlet, which is characterized in that a drying mechanism is arranged, mist drops are formed under the action of an atomizer, materials are sprayed out through a rotary spray nozzle at the lower end of the atomizer to form mist drops, the drops are contacted with hot air conveyed by an annular air outlet pipe in parallel flow, a finished product is dried in a very short time, and the drying efficiency is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the spray drying device with uniform air inlet comprises a drying tower, wherein a feeding pipe is arranged at the upper end of the drying tower, a drying mechanism is arranged in the drying tower, an air inlet pipeline is arranged at the upper end of the drying tower, an air blower is arranged at the other end of the air inlet pipeline, and an air inlet assembly is arranged in the air inlet pipeline;
the drying mechanism comprises:
the atomizer is arranged at the lower end of the feeding pipe and positioned in the drying tower, and a rotary spray head is arranged at the lower end of the atomizer;
the annular air outlet pipe is arranged on the upper end face of the inside of the drying tower, an inlet of the annular air outlet pipe is connected with the lower end of the hot air pipeline, the annular air outlet pipe is arranged on the outer side of the atomizer and is positioned at the upper end of the rotary spray head, and a fan is arranged in the annular air outlet pipe;
the heating pipe is spirally arranged in the drying tower wall.
Preferably, the air inlet assembly comprises:
the filter screen is arranged in the hot air pipeline;
the upper end of the air deflector is movably arranged in the hot air pipeline through a pin shaft, and the lower end of the air deflector is provided with a limiting plate;
and the heater is arranged inside the hot air pipeline.
Preferably, a cyclone separator for separating waste gas and solid materials is arranged at the outlet of the lower end of the drying tower, and a waste gas flue for discharging waste gas and a material collecting barrel for collecting the dried materials are respectively arranged at the upper end and the lower end of the cyclone separator.
Preferably, the lower end of the drying tower is cone-shaped, and the lower end inside the drying tower is provided with guide fan blades.
Preferably, one side of the drying tower is connected with a liquid storage tank through a material conveying pump, and the other end of the material conveying pump is connected with a feeding pipe.
Preferably, a sealing rubber ring is arranged between the feeding pipe and the annular air outlet pipe.
Preferably, the lower end of the drying tower is provided with supporting legs.
Compared with the prior art, the utility model has the beneficial effects that:
1. the drying mechanism is arranged, the heating pipe is started to preheat the interior of the drying tower, hot air is introduced into the annular air outlet pipe, the interior of the drying tower is dried under the action of the fan, then materials enter the atomizer from the feeding pipe and become fog drops under the action of the atomizer, the materials are sprayed out through the rotary spray nozzle at the lower end of the atomizer to form fog drops, the liquid drops are in parallel flow contact with hot air conveyed by the annular air outlet pipe, a finished product is dried in an extremely short time, in addition, some liquid drops sprayed onto the inner wall of the tower by the rotary spray nozzle can be dried by the heating pipe, the drying efficiency is improved, the drying mechanism can fully contact the fog materials at the lower end by improving the annular air outlet pipe, the drying efficiency is improved, the energy is saved by uniformly heating, and the drying quality of the materials is ensured by spraying the liquid drops on the wall of the drying tower by the heating pipe;
2. through being provided with air inlet subassembly, the air gets into the air inlet pipeline under the drive of air-blower, filters some great impurity particles through the filter screen at first, promotes the aviation baffle again afterwards, and the limiting plate of aviation baffle lower extreme can avoid the aviation baffle reverse displacement, and the air becomes hot-blast entering into annular play tuber pipe under the effect of heater at last.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the air intake pipe in the present utility model;
FIG. 3 is a schematic view of a rotary sprayer according to the present utility model;
FIG. 4 is a schematic structural illustration of an air intake duct in the present utility model;
FIG. 5 is a schematic view of a fan blade according to the present utility model;
fig. 6 is a schematic structural view of an annular air outlet pipe in the present utility model.
In the figure: 1. a drying tower; 11. a feed pipe; 12. an air inlet pipeline; 13. a blower; 14. a cyclone separator; 141. an exhaust gas flue; 142. a material collecting barrel; 15. flow guiding fan blades; 16. a material conveying pump; 17. a liquid storage tank; 2. a drying mechanism; 21. an atomizer; 211. rotating the spray head; 22. an annular air outlet pipe; 221. a fan; 23. heating pipes; 3. an air inlet assembly; 31. a filter screen; 32. an air deflector; 321. a limiting plate; 33. a heater.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-6, the spray drying device with uniform air intake provided by the utility model comprises a drying tower 1, wherein the upper end of the drying tower 1 is connected with a feed pipe 11, a drying mechanism 2 is arranged in the drying tower 1, the upper end of the drying tower 1 is connected with an air inlet pipeline 12, the other end of the air inlet pipeline 12 is provided with a blower 13, an air inlet assembly 3 is arranged in the air inlet pipeline 12, the drying mechanism 2 comprises an atomizer 21, an annular air outlet pipe 22 and a heating pipe 23, the atomizer 21 is fixed at the lower end of the feed pipe 11 and is positioned in the drying tower 1, a rotary spray head 211 is arranged at the lower end of the atomizer 21, the annular air outlet pipe 22 is fixed at the upper end of the drying tower 1, the inlet of the annular air outlet pipe 22 is welded with the lower end of the air inlet pipeline 12, the annular air outlet pipe 22 is fixed at the outer side of the atomizer 21 and is positioned at the upper end of the rotary spray head 211, a fan 221 is arranged in the annular air outlet pipe 22, and the heating pipe 23 is spirally fixed in the drying tower 1;
firstly, the heating pipe 23 is started to preheat the interior of the drying tower 1, then hot air is introduced into the annular air outlet pipe 22, the interior of the drying tower 1 is dried by the hot air under the action of the fan 221, then materials enter the atomizer 21 from the feeding pipe 11, become fog drops under the action of the atomizer 21, the materials are sprayed out through the rotary spray head 211 at the lower end of the atomizer 21 to form fog drops, the liquid drops are in parallel flow contact with hot air conveyed by the annular air outlet pipe 22, a finished product is dried in an extremely short time, in addition, some materials are sprayed onto the inner wall of the tower through the rotary spray head 211 and can be dried through the heating pipe 23, the drying efficiency is improved, the drying mechanism 2 is used for fully contacting the fog materials at the lower end through improving the annular air outlet pipe 22, the uniform heating is improved, energy is saved, and the materials sprayed onto the tower wall are dried through the heating pipe 23, so that the quality of drying of the materials is ensured.
The air inlet assembly 3 comprises a filter screen 31, an air deflector 32 and a heater 33, wherein the filter screen 31 is fixed in the air inlet pipeline 12, the upper end of the air deflector 32 is movably mounted in the air inlet pipeline 12 through a pin shaft, the lower end of the air deflector 32 is welded with a limiting plate 321, the heater 33 is mounted in the air inlet pipeline 12, air enters the air inlet pipeline 12 under the driving of the blower 13, firstly, some larger impurity particles are filtered through the filter screen 31, then the air deflector 32 is pushed, the limiting plate 321 at the lower end of the air deflector 32 can avoid the reverse displacement of the air deflector 32, and finally, the air becomes hot air to enter the annular air outlet pipe 22 under the action of the heater 33.
The lower extreme exit linkage of drying tower 1 has the cyclone 14 that is used for separating waste gas and solid material, and the waste gas flue 141 that is used for discharging waste gas and the receipts storage bucket 142 of collecting the dry material are installed respectively to cyclone 14's upper and lower both ends, and the powder after the drying enters into cyclone 14 from drying tower 1 lower extreme export, and the waste gas is discharged from the waste gas flue 141 of upper end, and the solid powder gets into to receive storage bucket 142 from the lower extreme, accomplishes the collection of material.
The lower extreme of drying tower 1 is the taper, and guide vane 15 is installed to the inside lower extreme of drying tower 1, and the powder that is located the inside lower extreme of drying tower 1 is discharged to guide vane 15 of being convenient for, avoids blockking up the discharge gate of drying tower 1.
One side of the drying tower 1 is connected with a liquid storage tank 17 through a material conveying pump 16, the other end of the material conveying pump 16 is connected with a feeding pipe 11, and the material conveying pump 16 pumps materials from the liquid storage tank 17 to be conveyed into the drying tower 1 through the feeding pipe 11.
A sealing rubber ring is arranged between the feeding pipe 11 and the annular air outlet pipe 22, so that the materialized liquid is prevented from splashing out of the drying tower 1.
The lower extreme welding of drying tower 1 has the supporting leg, provides better support for drying tower 1.
The working principle of the utility model is as follows:
according to the spray drying device with uniform air inlet, when the spray drying device is used, firstly, the heating pipe 23 is started to preheat the interior of the drying tower 1, then the blower 13 is started to introduce hot air into the annular air outlet pipe 22, firstly, some larger impurity particles are filtered by the air through the filter screen 31, then the air deflector 32 is pushed, the limiting plate 321 at the lower end of the air deflector 32 can avoid reverse displacement of the air deflector 32, finally, the air becomes hot air under the action of the heater 33 to enter the annular air outlet pipe 22, the hot air dries the interior of the drying tower 1 under the action of the fan 221, then the material conveying pump 16 is started to extract materials in the liquid storage tank 17 into the feed pipe 11, then the materials enter the atomizer 21 from the feed pipe 11, become mist drops under the action of the atomizer 21, the materials are sprayed out through the rotary spray nozzle 211 at the lower end of the atomizer 21 to form mist drops, the liquid drops are contacted with hot air conveyed by the annular air outlet pipe 22 in parallel flow, in extremely short time, in addition, some materials are sprayed onto the inner wall of the tower through the heating pipe 23 to dry the heating pipe 23, the drying efficiency is improved, the drying mechanism 2 can be fully discharged from the lower end of the cyclone-shaped material through the annular air outlet pipe 22 to the inlet pipe 14, the drying efficiency is improved, the waste gas is fully discharged from the end of the cyclone-shaped material is completely through the cyclone-shaped material inlet pipe 1, and the waste gas is discharged from the end of the drying pipe 1 to the drying pipe is completely through the cyclone-shaped material inlet end to the drying pipe 1, and the drying device is completely discharged from the end to the drying material inlet end is completely through the drying material inlet end of the drying material is discharged into the drying material through the drying material inlet pipe 1 through the drying pipe 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a spray drying device of even air inlet, includes drying tower (1), its characterized in that: the drying device is characterized in that a feeding pipe (11) is arranged at the upper end of the drying tower (1), a drying mechanism (2) is arranged in the drying tower (1), an air inlet pipeline (12) is arranged at the upper end of the drying tower (1), a blower (13) is arranged at the other end of the air inlet pipeline (12), and an air inlet assembly (3) is arranged in the air inlet pipeline (12);
the drying mechanism (2) comprises an atomizer (21), an annular air outlet pipe (22) and a heating pipe (23);
the atomizer (21) is arranged at the lower end of the feed pipe (11) and positioned in the drying tower (1), and a rotary spray head (211) is arranged at the lower end of the atomizer (21);
the annular air outlet pipe (22) is arranged on the upper end face of the interior of the drying tower (1), an inlet of the annular air outlet pipe (22) is connected with the lower end of the air inlet pipeline (12), the annular air outlet pipe (22) is arranged on the outer side of the atomizer (21) and is positioned at the upper end of the rotary spray head (211), and a fan (221) is arranged in the annular air outlet pipe (22);
the heating pipe (23) is spirally arranged in the drying tower (1) wall.
2. A spray drying apparatus for uniform air intake according to claim 1, wherein: the air inlet assembly (3) comprises a filter screen (31), an air deflector (32) and a heater (33);
the filter screen (31) is arranged in the air inlet pipeline (12);
the upper end of the air deflector (32) is movably arranged in the air inlet pipeline (12) through a pin shaft, and the lower end of the air deflector (32) is provided with a limiting plate (321);
the heater (33) is arranged in the air inlet pipeline (12).
3. The spray drying apparatus according to claim 1, wherein: the lower extreme export of drying tower (1) is provided with cyclone (14) that are used for separating waste gas and solid material, the upper and lower both ends of cyclone (14) are provided with waste gas flue (141) and receiving bucket (142) of collecting the dry material that are used for discharging waste gas respectively.
4. The spray drying apparatus according to claim 1, wherein: the lower end of the drying tower (1) is conical, and the lower end inside the drying tower (1) is provided with guide fan blades (15).
5. The spray drying apparatus according to claim 1, wherein: one side of the drying tower (1) is connected with a liquid storage tank (17) through a material conveying pump (16), and the other end of the material conveying pump (16) is connected with a feeding pipe (11).
6. The spray drying apparatus according to claim 1, wherein: a sealing rubber ring is arranged between the feeding pipe (11) and the annular air outlet pipe (22).
7. The spray drying apparatus according to claim 1, wherein: the lower end of the drying tower (1) is provided with supporting legs.
CN202320554941.4U 2023-03-21 2023-03-21 Spray drying device with uniform air inlet Active CN219630630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320554941.4U CN219630630U (en) 2023-03-21 2023-03-21 Spray drying device with uniform air inlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320554941.4U CN219630630U (en) 2023-03-21 2023-03-21 Spray drying device with uniform air inlet

Publications (1)

Publication Number Publication Date
CN219630630U true CN219630630U (en) 2023-09-05

Family

ID=87817272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320554941.4U Active CN219630630U (en) 2023-03-21 2023-03-21 Spray drying device with uniform air inlet

Country Status (1)

Country Link
CN (1) CN219630630U (en)

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