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CN-224228898-U - Disc fan for fermentation workshop

CN224228898UCN 224228898 UCN224228898 UCN 224228898UCN-224228898-U

Abstract

The utility model discloses a disc fan for a fermentation workshop, which relates to the technical field of food processing and comprises a fermentation workshop, an air guide pipe and a disc fan, wherein the air guide pipe is arranged on the outer wall of the fermentation workshop, and the disc fan is arranged on the air guide pipe and comprises a circular shell, an impeller arranged in the circular shell and a motor which is arranged outside the circular shell and is in transmission connection with the impeller. The utility model realizes the directional flow of air in the fermentation workshop, maintains the proper oxygen content and temperature and humidity environment in the workshop, ensures the stable fermentation process, and ensures that the motor is separated from the environment operation with poor working conditions in the air guide pipe by arranging the motor outside the circular shell, thereby facilitating the daily point inspection operation and maintenance of maintenance staff, avoiding the condition that the operation of equipment cannot be visually seen by operators in the fermentation workshop in the past, and improving the service life of the disc fan and the working efficiency of the fermentation workshop only when the disc fan has serious abnormal sound or the equipment parts are blocked by falling blades.

Inventors

  • JIANG SHICHAO
  • SONG WENHUI
  • YU YANCHUN

Assignees

  • 加加食品集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250729

Claims (10)

  1. 1. A disc fan for a fermentation workshop, comprising: Fermentation plant (100) The air guide pipe (200) is arranged on the outer wall of the fermentation workshop (100); The disc fan (300) is arranged on the air guide pipe (200) and comprises a circular shell (301), an impeller (302) arranged in the circular shell (301) and a motor (303) arranged outside the circular shell (301) and in transmission connection with the impeller (302).
  2. 2. The disc fan for the fermentation workshop according to claim 1, wherein a filtering assembly is arranged at the joint of the air guide pipe (200) and the fermentation workshop (100), the filtering assembly comprises a primary filter screen and a high-efficiency filter screen which are sequentially arranged along the air flow direction, the aperture of the primary filter screen is 50-100 μm, and the aperture of the high-efficiency filter screen is 0.3-1 μm.
  3. 3. The disc fan for the fermentation workshop according to claim 1, wherein the inner wall of the circular shell (301) is provided with annular protrusions, the annular protrusions are arranged along the circumferential direction of the circular shell (301), and a gap of 0.5mm-1mm is reserved between the edge of the impeller (302) and the annular protrusions.
  4. 4. The disc fan for the fermentation workshop according to claim 1, wherein the motor (303) is fixed on the outer wall of the circular shell (301) through a mounting seat, a transmission assembly is arranged between an output shaft of the motor (303) and the impeller (302), and the transmission assembly comprises a belt wheel I arranged on the output shaft of the motor (303), a belt wheel II arranged on the shaft of the impeller (302) and a synchronous belt for connecting the belt wheel I and the belt wheel II in a transmission manner.
  5. 5. The disc fan for the fermentation workshop according to claim 4, wherein a shell (304) is arranged outside the transmission assembly, and an output shaft of the motor (303) and an impeller (302) shaft are inserted into the shell (304) to be connected with the transmission assembly.
  6. 6. The disc fan for a fermentation workshop according to claim 1, wherein the impeller (302) adopts backward bending blades, the number of the blades is 6-10, the thickness of the blades gradually decreases from a root to an edge along the radial direction, the thickness of the root is 5-8 mm, and the thickness of the edge is 2-3 mm.
  7. 7. The disc fan for the fermentation workshop according to claim 1, wherein a motor (303) support is arranged on the outer side of the circular shell (301), the motor (303) support comprises an annular base and a plurality of radially extending supporting arms, the annular base is fixedly connected with the outer wall of the circular shell (301), and the free ends of the supporting arms are fixedly connected with the motor (303).
  8. 8. The disc fan for the fermentation workshop according to claim 1, wherein an air quantity adjusting device is arranged at an air inlet of the circular shell (301), the adjusting device comprises a plurality of arc baffles uniformly distributed along the circumferential direction and a synchronous driving mechanism, the arc baffles are hinged with the circular shell (301) through rotating shafts, the synchronous driving mechanism comprises an annular rack and a gear fixedly connected with the rotating shafts of the arc baffles, and the annular rack is meshed with the gear and is connected with a driving motor (303).
  9. 9. The disc fan for the fermentation workshop according to claim 1, wherein an airflow rectifying assembly is arranged in the air guide pipe (200), the airflow rectifying assembly comprises a plurality of guide rings which are arranged at intervals along the airflow direction, the inner diameters of the guide rings are distributed in a tapered step manner from the air inlet to the air outlet, and the distance between two adjacent guide rings is 50mm-100mm.
  10. 10. The disc fan for the fermentation workshop according to any one of claims 1 to 9, wherein an air distribution pipeline communicated with the air guide pipe (200) is arranged in the fermentation workshop (100), the air distribution pipeline transversely extends along the top of the fermentation workshop (100) and is provided with a plurality of downward air inlets, and angle-adjustable louver structures are arranged at the air inlets.

Description

Disc fan for fermentation workshop Technical Field The utility model relates to the technical field of food processing, in particular to a disc fan for a fermentation workshop. Background In the industrial field of biological fermentation or food brewing, a fermentation workshop is a core place for realizing microbial cultivation and product conversion, the stability of internal environment parameters directly influences fermentation efficiency, product quality and equipment operation safety, and the method for regulating the internal environment of the fermentation workshop is to timely discharge damp and hot gas and volatile metabolites generated in the fermentation process through a ventilation system, so that the local concentration is prevented from being too high and inhibiting microbial activity. At present, a ventilation system commonly used in a fermentation workshop mainly comprises an axial flow fan, a centrifugal fan and a pipeline type ventilation system, wherein the axial flow fan is usually fixed in a reserved hole on a wall or a roof, the installation position is limited and the structural integrity of the fermentation workshop is damaged to a certain extent, the centrifugal fan distributes air flow through a pipeline, the pipeline arrangement is matched with the workshop layout, and for a fermentation workshop with dense equipment and complex pipelines, the pipeline laying difficulty is high, impurities are easily accumulated due to dead angles of the pipeline during later cleaning and maintenance, and the cross contamination risk is increased. Therefore, a new fan structure is needed to solve the above problems. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. The utility model provides the disc fan for the fermentation workshop, which realizes the directional flow of air in the fermentation workshop, maintains the proper oxygen content and temperature and humidity environment in the workshop, ensures the stable fermentation process, and is convenient for maintenance personnel to check the operation and maintenance at daily points by arranging the motor outside the circular shell and separating the motor from the environment with poor working condition in the air guide pipe, thereby avoiding the condition that the operation of the equipment cannot be visually seen by the operation staff of the fermentation workshop in the past, and improving the service life of the disc fan and the working efficiency of the fermentation workshop only when the disc fan has serious abnormal noise or the falling blades of the equipment are blocked. In view of this, the disc fan for a fermentation plant of the present utility model comprises: Fermentation plant The air guide pipe is arranged on the outer wall of the fermentation workshop; The disc fan is arranged on the air guide pipe and comprises a circular shell, an impeller arranged in the circular shell and a motor arranged outside the circular shell and in transmission connection with the impeller. The disc fan of the fermentation workshop provided by the embodiment of the utility model has at least the following technical effects: When the disc fan operates, the motor drives the impeller to rotate at a high speed, a negative pressure area is formed in the circular shell, air in the fermentation workshop flows through the air guide pipe inlet under the action of pressure difference to enter the circular shell, kinetic energy and static pressure energy are obtained under the action of the impeller and finally conveyed to the outside of the fermentation workshop, the directional flow of the air in the fermentation workshop is realized in the whole ventilation process, the proper oxygen content and the temperature and humidity environment in the workshop are maintained, the stable operation of the fermentation process is ensured, and the motor is arranged outside the circular shell, so that the motor is separated from the environment with poor working condition in the air guide pipe, the operation and maintenance of routine points of maintenance personnel are facilitated, the condition that the operation of equipment cannot be visually seen by an operator in the fermentation workshop in the past is avoided, the maintenance can be performed only when the disc fan has serious abnormal sound or the falling blade is blocked by the equipment part, the service life of the disc fan is prolonged, and the working efficiency of the fermentation workshop is improved. According to some embodiments of the utility model, a filtering component is arranged at the joint of the air guide pipe and the fermentation workshop, the filtering component comprises a primary filter screen and a high-efficiency filter screen which are sequentially arranged along the airflow direction, the pore diameter of the primary filter screen is 50-100 μm, and the pore diameter of the high-efficiency filter scree