CN221808362U - Spray dryer with rotatable drying tube - Google Patents

Abstract

The utility model provides a spray dryer with a rotatable drying pipe, which comprises: the novel cyclone drying device comprises a shell, a spraying component, a drying component and a cyclone separator, wherein the spraying component is arranged on the upper side surface of the shell, the drying component is symmetrically arranged on the left side surface and the right side surface of the shell, the drying components are provided with two groups, the two groups of drying components are identical in structure, and four supporting legs are arranged on the lower side surface of the shell. Through setting up spray assembly, can realize more even spraying distribution through the rotatory spray piece of motor two, every atomising head independent operation can ensure that the spraying liquid is evenly sprayed in whole spraying region to make the material obtain more even moist and hot-blast sweeping, improve dry homogeneity, through setting up drying assembly, hot-blast evenly distributed can make the moist of material obtain abundant evaporation and drying, thereby realize more even drying effect.

Description

Spray dryer with rotatable drying tube

Technical Field

The utility model belongs to the field of spray dryer equipment, and particularly relates to a spray dryer with a rotatable drying pipe.

Background

The spray dryer is widely applied to equipment in industries such as chemical industry, food, pharmacy and the like, and is used for converting liquid materials into powdery or granular dry products by means of spray atomization and hot air drying, but in the prior art, the spray dryer has the problem that the hot air may be unevenly distributed in a drying pipe due to non-rotation of the drying pipe in actual use, the problem is caused by lack of a part for rotating the drying pipe, the problem that the utilization rate of heat energy is reduced due to non-rotation of the drying pipe may be caused, firstly, the hot air is unevenly distributed in the drying pipe due to non-rotation of the drying pipe, so that part of materials are exposed to a high temperature area, and other parts of materials may be insufficiently dried. This uneven drying effect may lead to an unstable product quality. Second, the non-rotation of the drying tube reduces the utilization of heat energy. The fixed flow direction of the hot air leads to the fact that part of heat energy cannot be fully utilized, and the heat energy is directly discharged from the outlet of the drying pipe, so that the consumption of energy sources is increased, and unnecessary burden is brought to economy. In addition, the non-rotatability of the drying tube also causes problems of material blockage and accumulation. The materials may accumulate and aggregate during the drying process, especially at the lower part of the drying pipe, which may cause caking, clogging and blocking, further affecting the normal operation of the equipment, so a new structure is required to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide a spray dryer with a rotatable drying pipe, which solves the problems in the prior art.

The utility model is realized by the following technical scheme: a spray dryer with rotatable drying tube comprising: the spray device comprises a shell, a spray assembly, a drying assembly and a cyclone separator, wherein the spray assembly is arranged on the upper side surface of the shell, the drying assembly is symmetrically arranged on the left side surface and the right side surface of the shell respectively, the drying assembly is provided with two groups, the two groups are identical in structure, four supporting legs are arranged on the lower side surface of the shell, an air outlet pipe is arranged on the upper side surface of the cyclone separator, a collecting pipe is arranged on the outer side surface of the cyclone separator, one end of the collecting pipe, far away from the cyclone separator, is connected with the lower side surface of the shell, the spray assembly comprises a first rotating shaft pipe, a sprayer, a spraying piece, a feeding pipe and a second motor, the spraying piece is arranged at the lower end of the first rotating shaft pipe, the sprayer is arranged on the upper side surface of the first rotating shaft pipe, the drying assembly comprises a hot air machine, a second rotating shaft pipe, a drying pipe and a first motor, a hot air machine is arranged at one end of the second rotating shaft pipe, and a drying pipe is arranged at one end of the second rotating shaft pipe, far away from the hot air machine.

As a preferred embodiment, the center of the upper surface of the shell is provided with the first rotating shaft pipe in a penetrating manner, the joint of the first rotating shaft pipe and the shell is provided with a bearing, the upper end of the first rotating shaft pipe, which is far away from the shell, is provided with a sprayer, one end of the first rotating shaft pipe, which is far away from the sprayer, is provided with a spraying piece, the spraying piece is arranged inside the shell, one side surface of the spraying piece, which is far away from the first rotating shaft pipe, is uniformly provided with a plurality of spraying heads, the second motor drives the first rotating shaft pipe to rotate through a gear, the spraying piece rotating through the second motor can realize more uniform spraying distribution, each spraying head works independently, the spraying liquid can be ensured to be uniformly sprayed in the whole spraying area, so that materials can be uniformly wetted and blown by hot air, the uniformity of drying is improved, and other spraying heads can still work normally, which means that even if a single spraying head is in a fault or blocking condition occurs, the spraying dryer can still continue to spray operation, the whole production process can not be interrupted because of the fault of the single spraying head, and thus the production efficiency and the production stability are improved.

As a preferable implementation mode, the second motor is arranged on the upper side surface of the shell, the gear is arranged on the output shaft of the second motor, the output shaft of the second motor and the gear are arranged inside the shell, the gear is arranged on the outer side surface of the first rotating shaft pipe, and the gear on the outer side surface of the first rotating shaft pipe is meshed and connected with the gear of the second output shaft of the motor.

As a preferred implementation mode, the second rotating shaft pipe is installed on the left side surface and the right side surface of the shell in a penetrating mode, a bearing is arranged at the joint of the second rotating shaft pipe and the shell, the outer end, far away from the shell, of the second rotating shaft pipe is provided with a hot air blower, the inner end, far away from the shell, of the second rotating shaft pipe is provided with a drying pipe, the drying pipe is of a 匚 -shaped structure, and an accommodating cavity is formed in the drying pipe.

As a preferred embodiment, a plurality of drying heads are uniformly arranged on the outer side surface of the drying pipe, the first motor is arranged on the left side surface and the right side surface of the shell, the output shaft of the first motor is provided with a gear and is arranged inside the shell, the outer side surface of the second rotating shaft pipe is provided with a gear, the gear of the first output shaft of the motor is connected with the gear of the outer side surface of the second rotating shaft pipe in a meshed manner, through the symmetrically arranged rotating drying pipe, hot air can be uniformly distributed in the drying pipe and can be blown to the materials, the uniform distribution of the hot air can enable the wetting of the materials to be fully evaporated and dried, thereby realizing a more uniform drying effect, enabling the hot air to uniformly contact each part of the materials, fully utilizing heat energy, reducing the waste of the heat energy, improving the utilization efficiency of the hot air, reducing the energy consumption and being beneficial to saving the cost.

As a preferred implementation mode, the first rotating shaft pipe and the second rotating shaft pipe are respectively in a containing cavity design, one end of the air outlet pipe, which is far away from the cyclone separator, is communicated with the outer side surface of the shell, and the cyclone separator, the first motor, the second motor, the sprayer and the air heater are electrically connected with a power supply through electric wires.

After the technical scheme is adopted, the utility model has the beneficial effects that: through setting up spray assembly, spray assembly includes the pivot pipe one, the atomizer, spray piece, inlet pipe and motor two, spray piece sets up in the inside of shell, the surface of spray piece is provided with a plurality of atomising heads, the atomizer is installed to the upper end of pivot pipe one, the upside surface mounting of atomizer has the inlet pipe, spray piece is installed to the lower extreme of pivot pipe one, the motor passes through the gear drive pivot pipe one and rotates, can realize more even spraying distribution through the rotatory spray piece of motor two, every atomising head independent operation, can ensure that the spraying liquid is sprayed in whole spraying region uniformly, thereby make the material obtain more even moist and hot-blast the sweeping, improve dry homogeneity, and once only when one of them atomising head blocks up, other atomising heads still can work as usual, this means that even single atomising head trouble or the condition of jam appear, spray dryer still can continue to spray the operation, can not lead to the interruption of whole production process because of single atomising head's trouble, thereby improve production efficiency and production stability.

Through setting up drying assembly, drying assembly includes the air heater, pivot pipe two, drying tube and motor one, the air heater is installed to pivot pipe two's outer end, the drying tube is installed to pivot pipe two's one end of keeping away from the air heater, pivot pipe two rotates through motor one and gear, through the rotatory drying tube of symmetry setting, can ensure hot-blast evenly distributed and sweep the material in the drying tube, hot-blast evenly distributed can make the moist evaporation and the drying that obtain abundant of material, thereby realize more even drying effect, can make hot-blast each part of contact material evenly, make full use of heat energy, reduce the waste of heat energy, this has improved hot-blast utilization efficiency, the energy consumption has been reduced, and help saving the cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of a spray dryer with a rotatable drying tube according to the present utility model.

Fig. 2 is a schematic view of a drying module of a spray dryer with a rotatable drying tube according to the present utility model.

Fig. 3 is a schematic view of a spray assembly of a rotatable dryer tube spray dryer of the present utility model.

Fig. 4 is a schematic view of a spray member of a rotatable drying tunnel spray dryer according to the present utility model.

Fig. 5 is a schematic view of a cyclone separator of a spray dryer with rotatable drying tubes according to the present utility model.

In the figure, 100-housing, 110-support leg;

200-drying components, 210-a second rotating shaft pipe, 220-an air heater, 230-a drying pipe, 231-a drying head and 240-a first motor;

300-spraying components, 310-sprayers, 320-feeding pipes, 330-rotating shaft pipes I, 340-spraying pieces, 341-spraying heads and 350-motors II;

400-cyclone separator, 410-air outlet pipe and 420-collecting pipe.

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.

Referring to fig. 1 to 5, the present utility model provides a technical solution: a spray dryer with rotatable drying tube comprising: the spray assembly 300 comprises a first rotating shaft pipe 330, a sprayer 310, a spraying piece 340, a feeding pipe 320 and a second motor 350, wherein the first rotating shaft pipe 330 is provided with the spraying piece 340, the sprayer 310 is arranged at the upper end of the first rotating shaft pipe 330, the feeding pipe 320 is arranged at the upper side surface of the sprayer 310, the drying assembly 200 comprises a hot air blower 220, a second rotating shaft pipe 210, a drying pipe 230 and a first motor 240, the hot air blower 220 is arranged at the upper side surface of the cyclone 400, the collecting pipe 420 is arranged at the outer side surface of the cyclone 400, one end of the collecting pipe 420, which is far away from the cyclone 400, is connected with the lower side surface of the housing 100, the spraying piece 340 is arranged at the lower end of the first rotating shaft pipe 330, the sprayer 310 is arranged at the upper end of the first rotating shaft pipe 330, the hot air blower 220 is arranged at the upper side surface of the spraying piece 310, the drying assembly 200 comprises the hot air blower 220, the second rotating shaft pipe 210, the drying pipe 230 and the first motor 240, the hot air blower 220 is arranged at one end of the second rotating shaft pipe 210, and the hot air blower 220 is arranged at one end of the second rotating shaft pipe 210, which is far away from the drying pipe 230.

Please refer to fig. 1, 3, and 4, as an embodiment of the present utility model: the center of the upper surface of the shell 100 is provided with a first rotating shaft pipe 330 in a penetrating manner, a bearing is arranged at the joint of the first rotating shaft pipe 330 and the shell 100, the upper end of the first rotating shaft pipe 330 far away from the shell 100 is provided with a sprayer 310, one end of the first rotating shaft pipe 330 far away from the sprayer 310 is provided with a spraying piece 340, the spraying piece 340 is arranged in the shell 100, and a plurality of spraying heads 341 are uniformly arranged on the surface of one side of the spraying piece 340 far away from the first rotating shaft pipe 330;

The second motor 350 is arranged on the upper surface of the shell 100, the output shaft of the second motor 350 is provided with a gear, the output shaft of the second motor 350 and the gear are arranged inside the shell 100, the outer surface of the first rotating shaft tube 330 is provided with a gear, the gear on the outer surface of the first rotating shaft tube 330 is meshed with the gear of the output shaft of the second motor 350,

When the spray dryer is used, a user firstly injects materials to be dried into the sprayer 310 through the feed pipe 320, then the sprayer 310 sprays the materials into the spraying piece 340 through the first rotating shaft pipe 330, then the spraying heads 341 on the lower side surface of the spraying piece 340 spray the materials in a mist mode into the shell 100, when the materials are sprayed, the user can start the second motor 350, the output shaft of the second motor 350 rotates to drive the gear to rotate, the spraying piece 340 is driven to rotate, more uniform spraying distribution can be achieved, each spraying head 341 independently works, the fact that spraying liquid is uniformly sprayed in the whole spraying area can be guaranteed, therefore the materials are uniformly wetted and blown by hot air, drying uniformity is improved, and other spraying heads 341 can still work normally once one spraying head 341 is plugged, so that even if a single spraying head fails or is plugged, the spraying dryer can continue to operate, interruption of the whole production process due to failure of the single spraying head 341 is avoided, and therefore production efficiency and production stability are improved.

Please refer to fig. 1, 3, and 4, as an embodiment of the present utility model: the second rotating shaft tube 210 is installed on the left side surface and the right side surface of the shell 100 in a penetrating manner, a bearing is arranged at the joint of the second rotating shaft tube 210 and the shell 100, the air heater 220 is installed at the outer end, far away from the shell 100, of the second rotating shaft tube 210, the drying tube 230 is installed at the inner end, far away from the shell 100, of the second rotating shaft tube 210, the drying tube 230 is of a 匚 -shaped structure, and an accommodating cavity is formed in the drying tube 230.

The outer side surface of the drying pipe 230 is uniformly provided with a plurality of drying heads 231, a first motor 240 is arranged on the left side surface and the right side surface of the shell 100, an output shaft of the first motor 240 is provided with a gear and is arranged in the shell 100, the outer side surface of the rotating shaft pipe II 210 is provided with a gear, and the gear of the output shaft of the first motor 240 is meshed and connected with the gear of the outer side surface of the rotating shaft pipe II 210;

When the spraying assembly 300 is used, when the material is sprayed out in a mist form, a user can start the air heater 220 at this moment, then the air heater 220 works to enable hot air to enter the drying tube 230 through the rotary shaft tube two 210, then hot air in the drying tube 230 is sprayed out through the drying head 231 on the outer side surface of the air heater, the user can start the motor one 240 while starting the air heater 220, the output shaft of the motor one 240 and the gear rotate to drive the rotary shaft tube two 210 to rotate, so that the drying tube 230 rotates along with the rotary shaft tube two 210, hot air in the drying tube 230 can be ensured to be uniformly distributed and purged in the drying tube 230, then the dried material can fall into the bottom in the shell 100, then the collecting tube 420 is collected in the cyclone separator 400 and then subjected to collection and subsequent treatment, the uniform distribution of the hot air can enable the wetting of the material to be fully evaporated and dried, thus a more uniform drying effect can enable the hot air to be uniformly contacted with each part of the material, heat energy is fully utilized, the heat energy waste is reduced, the utilization efficiency of the hot air is improved, the energy consumption is reduced, and the energy cost is saved.

The first rotating shaft tube 330 and the second rotating shaft tube 210 are both designed to be a containing cavity, one end of the air outlet tube 410, which is far away from the cyclone separator 400, is connected with the outer side surface of the shell 100, the cyclone separator 400, the first motor 240, the second motor 350, the sprayer 310 and the hot air blower 220 are all electrically connected with a power supply through wires, the cyclone separator 400 can effectively separate solid particles in the spray dryer and prevent the solid particles from being discharged along with the air flow, so that wet materials can be fully contacted with hot air, a more efficient drying effect is achieved, meanwhile, the hot air in the shell 100 can be pumped into the shell 100 again for recycling, the energy utilization efficiency is increased, (the working principle of the cyclone separator 400 is based on the difference of the solid particles and the air in the rotating air flow, the solid particles are separated from the air flow by utilizing centrifugal force, the advantages of simple structure, stable operation and high separation efficiency, and no extra energy supply are needed, the cyclone separator 400 is widely applied to a plurality of industries, such as chemical industry, petroleum, metallurgy, environmental protection and the like, gas-solid separation, particle collection, particle classification, fine classification and the like, and the like are not specific to the existing technology, and the existing technology can be used, and the model of the technology is omitted.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. A spray dryer with rotatable drying tube comprising: the device comprises a shell (100), a spraying assembly (300), a drying assembly (200) and a cyclone separator (400), and is characterized in that the spraying assembly (300) is arranged on the upper side surface of the shell (100), one drying assembly (200) is symmetrically arranged on the left side surface and the right side surface of the shell (100), two groups of drying assemblies (200) are arranged, and the two groups of drying assemblies (200) have the same structure;

Four supporting legs (110) are arranged on the lower side surface of the shell (100), an air outlet pipe (410) is arranged on the upper side surface of the cyclone separator (400), a collecting pipe (420) is arranged on the outer side surface of the cyclone separator (400), one end, far away from the cyclone separator (400), of the collecting pipe (420) is connected with the lower side surface of the shell (100), and the spraying assembly (300) comprises a first rotating shaft pipe (330), a sprayer (310), a spraying piece (340), a feeding pipe (320) and a second motor (350);

The utility model discloses a drying device, including pivot pipe, atomizer, drying component, including fan heater (220), pivot pipe two (210), drying pipe (230) and motor one (240), fan heater (220) are installed to the lower extreme of pivot pipe one (330), atomizer (310) are installed to the upper end of pivot pipe one (330), the upside surface mounting of atomizer (310) has inlet pipe (320), drying pipe (230) are installed to the one end that fan heater (220) were kept away from to pivot pipe two (210).

2. A rotatable spray dryer for drying tubes as claimed in claim 1, wherein: the utility model discloses a spraying device, including shell (100), pivot pipe (330), atomizer (310) are installed to the upside surface center of shell (100), pivot pipe (330) and the junction of shell (100) are provided with the bearing, atomizer (310) are installed to the upper end that shell (100) was kept away from to pivot pipe (330), atomizer (340) are installed to one end that atomizer (310) was kept away from to pivot pipe (330), atomizer (340) set up inside shell (100), a plurality of atomising heads (341) are evenly installed to one side surface of keeping away from pivot pipe (330) of atomizer (340).

3. A rotatable spray dryer for drying tubes as claimed in claim 2, wherein: the motor II (350) is arranged on the upper side surface of the shell (100), a gear is arranged on the output shaft of the motor II (350), the output shaft of the motor II (350) and the gear are arranged inside the shell (100), the gear is arranged on the outer side surface of the rotating shaft pipe I (330), and the gear on the outer side surface of the rotating shaft pipe I (330) is meshed and connected with the gear of the output shaft of the motor II (350).

4. A rotatable spray dryer for drying pipes as claimed in claim 3, wherein: the fan is characterized in that the second rotating shaft pipe (210) is installed on the left side surface and the right side surface of the shell (100) in a penetrating mode, a bearing is arranged at the joint of the second rotating shaft pipe (210) and the shell (100), the air heater (220) is installed at the outer end, far away from the shell (100), of the second rotating shaft pipe (210), the drying pipe (230) is installed at the inner end, far away from the shell (100), of the second rotating shaft pipe (210), the drying pipe (230) is of a 匚 -shaped structure, and an accommodating cavity is formed in the drying pipe (230).

5. A rotatable spray dryer for drying tubes as claimed in claim 4, wherein: the drying device is characterized in that a plurality of drying heads (231) are uniformly arranged on the outer side surface of the drying tube (230), a first motor (240) is arranged on the left side surface and the right side surface of the shell (100), a gear is arranged on an output shaft of the first motor (240) and is arranged inside the shell (100), a gear is arranged on the outer side surface of a second rotating shaft tube (210), and the gear of the output shaft of the first motor (240) is connected with the gear of the outer side surface of the second rotating shaft tube (210) in a meshed mode.

6. A rotatable spray dryer for drying tubes as claimed in claim 1, wherein: the rotary shaft pipe I (330) and the rotary shaft pipe II (210) are respectively provided with a containing cavity, one end of the air outlet pipe (410) away from the cyclone separator (400) is communicated with the outer side surface of the shell (100), and the cyclone separator (400), the motor I (240), the motor II (350), the sprayer (310) and the air heater (220) are electrically connected with a power supply through electric wires.