CN214902300U

CN214902300U - Suction type ventilation device at top of granary

Info

Publication number: CN214902300U
Application number: CN202120751497.6U
Authority: CN
Inventors: 牟立斌; 单东虎; 刘世元; 魏朝东
Original assignee: Guangdong Xintaiyang Industrial Co ltd
Current assignee: Guangdong Xintaiyang Industrial Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-30
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a suction formula ventilation unit on granary roof, including the granary jar body, the granary jar body is provided with the rabbling mechanism that blows that stirs the internal grain of granary jar, the roof of the granary jar body is provided with the exhaust casing, and the upper and lower both ends of exhaust casing all are the opening setting, and it is internal that the lower extreme of exhaust casing extends to the granary jar, and the upper end of exhaust casing is located the outside of the granary jar body, the exhaust casing is internal to be put exhaust fan, the exhaust casing is provided with the dust screen that is located exhaust fan below. This application has the ventilation effect that effectively improves the granary jar, guarantees grain quality's advantage.

Description

Suction type ventilation device at top of granary

Technical Field

The application relates to the technical field of grain storage, in particular to a suction type ventilation device at the top of a granary.

Background

Grain storage refers to the storage and management process from grain harvest to consumption, and a grain bin, namely a special building for storing grains, is used for storing a large amount of grains.

Along with the improvement of the grain storage level, the grain storage mode is gradually replaced by a simple color steel granary tank by the stacking of the original woven bags. With respect to the related art among the above, the inventors consider that the following drawbacks exist: but the current simple and easy various steel granary jar adopts natural draft to ventilate in the granary jar, and ventilation effect is relatively poor, and especially in summer, solar radiation and grain breathe the heat production and make the storehouse temperature obviously be higher than ambient temperature, and the rising of storehouse temperature has accelerated the worsening of grain quality, changes in the pest and takes place for further improvement.

SUMMERY OF THE UTILITY MODEL

In order to effectively improve the ventilation effect of granary jar, guarantee grain quality, this application provides a suction formula ventilation unit on granary roof.

The application provides a suction formula ventilation unit at granary top adopts following technical scheme:

the suction type ventilation device for the top of the granary comprises a granary tank body, wherein a blowing stirring mechanism for stirring grains in the granary tank body is arranged on the granary tank body, an exhaust shell is arranged on the top wall of the granary tank body, the upper end and the lower end of the exhaust shell are both arranged in an opening mode, the lower end of the exhaust shell extends into the granary tank body, the upper end of the exhaust shell is located outside the granary tank body, an exhaust fan is arranged in the exhaust shell, and a dust filtering net located below the exhaust fan is arranged on the exhaust shell.

Through adopting above-mentioned technical scheme, be provided with the rabbling mechanism that blows and stir the ventilation to the internal grain of granary jar, on the one hand, reduce grain and take place to pile up the possibility that the caking went damp, guarantee the grain quality, on the other hand, pass through exhaust fan discharge granary jar body with the carbon dioxide that grain respiration produced, realize circulating ventilation, effectively improve ventilation effect, exhaust casing is provided with the dust filter screen that is located exhaust fan below, reduce the raise dust discharge external environment that stirs grain production, guarantee operational environment.

Preferably, the stirring mechanism of blowing includes a stirring shaft rotatably connected to the granary tank, a stirring motor driving the stirring shaft to rotate around the axis of the stirring shaft, and a stirring rod fixedly connected to the stirring shaft, the stirring rod is provided with a plurality of stirring rods which are distributed along the axial direction and the circumferential direction of the stirring shaft, the stirring shaft is provided with an air inlet channel, the stirring rod is provided with an air outlet channel communicated with the air inlet channel, and the granary tank is provided with an air supply assembly supplying air to the stirring shaft.

Through adopting above-mentioned technical scheme, drive the (mixing) shaft through agitator motor and rotate to driving the puddler and rotating and be convenient for carry out the even stirring to the grain in the granary, reducing the possibility that grain takes place the moist caking, the air feed subassembly is carried the air supply channel to the (mixing) shaft with external air in, gaseous through the runner discharge of giving vent to anger of stirring, thereby will gather in the internal portion of granary jar and the steam discharge in the grain, realize the even drying of grain and cooling to the granary jar is internal.

Preferably, the air supply assembly comprises an air supply cover with an inner cavity, an air supply pipe communicated with the inner cavity of the air supply cover, and an air blower fixedly connected with the air supply pipe, wherein the inner cavity of the air supply cover is fixedly connected with the air supply cover, the output shaft of the stirring motor penetrates through the top wall of the air supply cover and is fixedly connected with the upper end of the stirring shaft, the upper end of the stirring shaft is located in the air supply cover, and the side wall of the upper part of the stirring shaft is provided with an air inlet communicated with the air inlet channel.

Through adopting above-mentioned technical scheme, the air-blower supplies air to the air feed cover through the air feed pipe, and gas gets into air inlet channel through the air inlet of (mixing) shaft.

Preferably, the stirring rod is provided with an air outlet rod communicated with the air outlet flow channel, and the air outlet rod is provided with a plurality of air outlet rods which are distributed along the length of the stirring rod.

Through adopting above-mentioned technical scheme, the pole of giving vent to anger is provided with a plurality ofly, increases the stirring effect to grain, improves the dispersion of grain, improves its gas permeability, further reduces the possibility that grain takes place the caking.

Preferably, the air outlet rods between the upper and lower adjacent stirring rods are distributed in a staggered manner.

Through adopting above-mentioned technical scheme, the pole of giving vent to anger between two adjacent puddlers that distribute about being is crisscross distribution, improves the thoroughness of stirring, stirs the grain of the internal different positions department of granary as far as possible.

Preferably, the inner wall of the exhaust casing is rotatably connected with a driving roller and a driven roller, the filter screen is an annular filter belt wound on the driving roller and the driven roller, and the outer side wall of the exhaust casing is provided with a driving motor for driving the driving roller to rotate.

Through adopting above-mentioned technical scheme, the cassette is around locating drive roll and driven voller, and after the filter screen used a period, the dust can be adsorbed to the filter screen lower surface, rotates through driving motor and drives the drive roll and rotate to adjust the position of filter screen, make the filter screen surface that does not adsorb the dust just to exhaust casing's lower port, guarantee the exhaust effect.

Preferably, the inner wall of the exhaust shell is provided with a sealing scraping strip abutted to the outer surface of the filter screen.

Through adopting above-mentioned technical scheme, the filter screen rotates the in-process, and sealed scraping strip can be effectively and smoothly will adsorb the dust on the filter screen and scrape and clear away, reduces the filter screen and takes place the possibility of blockking up, guarantees the exhaust effect.

Preferably, the upper end of the exhaust shell is hinged with a sealing cover plate for controlling the opening and closing of the exhaust port.

Through adopting above-mentioned technical scheme, be provided with sealed apron, when meetting rainy day, sealed apron seals the gas vent of exhaust casing, thereby it is internal that the exhaust casing that reduces the rainwater gets into the granary jar.

To sum up, the utility model discloses following beneficial effect has:

1. the air blowing and stirring mechanism is arranged for stirring and ventilating the grains in the granary tank, so that on one hand, the possibility of accumulation, caking and moisture of the grains is reduced, the quality of the grains is ensured, on the other hand, carbon dioxide generated by the respiration of the grains is discharged out of the granary tank through the exhaust fan, the circulating ventilation is realized, the ventilation effect is effectively improved, the exhaust shell is provided with the dust filtering net positioned below the exhaust fan, the flying dust generated by stirring the grains is reduced, the external environment is discharged, and the working environment is ensured;

2. the stirring shaft is driven to rotate by the stirring motor, so that the stirring rod is driven to rotate, grains in the granary can be stirred uniformly, the possibility of moisture caking of the grains is reduced, external air is conveyed into the air inlet channel of the stirring shaft by the air supply assembly, and the air is discharged through the stirring air outlet channel, so that hot air accumulated in the granary tank body and in the grains is discharged, and the grains in the granary tank body are dried and cooled uniformly;

3. in the rotating process of the filter screen, the sealing scraping strip can effectively and smoothly scrape and remove dust adsorbed on the filter screen, the possibility of blockage of the filter screen is reduced, and the exhaust effect is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of a suction type ventilation device of the top of a granary;

FIG. 2 is a schematic view of the internal structure of the grain bin tank;

FIG. 3 is a schematic view of the structure of the stirring shaft and the stirring rod;

fig. 4 is a schematic structural view of the exhaust housing.

In the figure, 1, a granary tank body; 11. a feed hopper; 12. closing the plate; 13. a discharge pipe; 14. a flow control valve; 15. a mounting frame; 2. a blowing and stirring mechanism; 21. a stirring shaft; 211. an air inlet channel; 212. an air inlet; 22. a stirring rod; 221. an air outlet flow channel; 23. a stirring motor; 24. an air outlet rod; 3. a wind supply assembly; 31. a wind supply hood; 32. an air supply pipe; 33. a blower; 4. an exhaust housing; 41. an exhaust fan; 42. a filter screen; 43. a drive roll; 44. a driven roller; 45. a drive motor; 46. sealing the scraping strip; 47. sealing the cover plate; .

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses suction formula ventilation unit on granary roof refers to 1, including the granary jar body 1, and the roof of the granary jar body 1 is provided with feeder hopper 11, and it has shrouding 12 that its feed inlet of control was opened and close to articulate on feeder hopper 11. The lower part of the granary tank body 1 is provided with a discharge pipe 13, and the discharge pipe 13 is provided with a flow control valve 14.

Referring to fig. 2 and 3, the granary tank 1 is provided with a blowing stirring mechanism 2 for stirring grains in the granary tank 1, and the blowing stirring mechanism 2 comprises a stirring shaft 21 rotatably connected to the top wall of the granary tank 1, a stirring motor 23 for driving the stirring shaft 21 to rotate around the axis of the stirring motor, and a stirring rod 22 fixedly connected to the stirring shaft 21. The axis of (mixing) shaft 21 is vertical setting, and the axis of puddler 22 is the level setting, and puddler 22 is provided with a plurality ofly and distributes along the axial and circumference of (mixing) shaft 21. The stirring shaft 21 is provided with an air inlet channel, the stirring rods 22 are provided with an air outlet flow channel 221 communicated with the air inlet channel, the stirring rods 22 are provided with air outlet rods 24 communicated with the air outlet flow channel 221, the air outlet rods 24 are provided with a plurality of length distributions along the stirring rods 22, the air outlet ends of the air outlet rods 24 are arranged downwards, and the air outlet rods 24 between the two adjacent stirring rods 22 are in staggered distribution.

Referring to fig. 2, the upper end surface of the granary tank body 1 is fixedly connected with an installation frame 15, and a stirring motor 23 is fixedly connected to the installation frame 15. The granary tank body 1 is provided with an air supply assembly 3 for supplying air to the stirring shaft 21, and the air supply assembly 3 comprises an air supply cover 31 which is provided with an inner cavity and is fixedly connected to the top wall of the granary tank body 1, an air supply pipe 32 communicated with the inner cavity of the air supply cover 31 and an air blower 33 fixedly connected to the air supply pipe 32. The air supply hood 31 is located below the mounting frame 15, an output shaft of the stirring motor 23 penetrates through a top wall of the air supply hood 31 and is fixedly connected with an upper end of the stirring shaft 21, an upper end of the stirring shaft 21 is located in the air supply hood 31, and an air inlet 212 communicated with the air inlet flow passage 211 is formed in a side wall of an upper portion of the stirring shaft 21.

Referring to fig. 2 and 4, the top wall of the granary tank 1 is provided with an exhaust casing 4, the upper end and the lower end of the exhaust casing 4 are both in open arrangement, the lower end of the exhaust casing 4 extends into the granary tank 1, the upper end of the exhaust casing 4 is located outside the granary tank 1, and the upper end of the exhaust casing 4 is hinged with a sealing cover plate 47 for controlling the opening and closing of an exhaust port of the exhaust casing 4. The exhaust casing 4 has an exhaust fan 41 built therein, and the exhaust casing 4 is provided with a filter screen 42 located below the exhaust fan 41.

Referring to fig. 4, a driving roller 43 and a driven roller 44 are rotatably connected to the inner wall of the exhaust casing 4, the axial directions of the driving roller 43 and the driven roller 44 are parallel, and the filter screen 42 is an endless filter belt wound around the driving roller 43 and the driven roller 44. The outer side wall of the exhaust casing 4 is fixedly connected with a driving motor 45 for driving the driving roller 43 to rotate, and an output shaft of the driving motor 45 is coaxially and fixedly connected with one end of the driving roller 43. A sealing scraper 46 abutting against the outer surface of the filter screen 42 is fixedly connected to the inner wall of the exhaust casing 4, and the length direction of the sealing scraper 46 is parallel to the axial direction of the drive roller 43.

The implementation principle of the suction type ventilation device at the top of the granary in the embodiment of the application is as follows: stirring motor 23 drives (mixing) shaft 21 and rotates to drive puddler 22 and rotate and be convenient for carry out the even stirring to the grain in the granary, reduce the possibility that grain takes place the moist caking, air-blower 33 passes through air feed pipe 32 and carries external air to air feed cover 31 inner chamber, gaseous through inlet channel 211, air outlet channel 221 discharges, ventilate from grain inside, will gather the steam discharge in granary jar body 1 inside and grain through exhaust fan 41 after that, the realization is to the even drying of grain in the granary jar body 1 and cooling.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a suction formula ventilation unit at granary top which characterized in that: including the granary jar body (1), the granary jar body (1) is provided with the rabbling mechanism (2) of blowing that stirs the grain in the granary jar body (1), the roof of the granary jar body (1) is provided with exhaust casing (4), and the upper and lower both ends of exhaust casing (4) all are the opening setting, and the lower extreme of exhaust casing (4) extends to in the granary jar body (1), and the upper end of exhaust casing (4) is located the outside of the granary jar body (1), exhaust casing (4) embeds there is exhaust fan (41), exhaust casing (4) are provided with filter screen (42) that are located exhaust fan (41) below.

2. The suction type ventilation device of the top of the granary according to claim 1, wherein: the stirring mechanism (2) of blowing is including rotating (mixing) shaft (21), drive (mixing) shaft (21) that connect in the granary jar body (1) around self axis pivoted agitator motor (23) and fixed connection in puddler (22) of (mixing) shaft (21), puddler (22) are provided with a plurality ofly and along the axial and the circumference distribution of (mixing) shaft (21), inlet channel has been seted up in (mixing) shaft (21), outlet channel (221) in inlet channel are seted up in puddler (22), the granary jar body (1) is provided with air feed subassembly (3) that carry out the air feed to (mixing) shaft (21).

3. The suction type ventilation device of the top of the granary according to claim 2, wherein: air feed subassembly (3) including having air feed cover (31) that the inner chamber set up and fixed connection in granary jar body (1) upper portion, feed through in air feed pipe (32) and the air-blower (33) of fixed connection in air feed pipe (32) of the inner chamber of air feed cover (31), the upper end fixed connection of roof and (mixing) shaft (21) of air feed cover (31) is worn to locate by the output shaft of agitator motor (23), the upper end of (mixing) shaft (21) is located air feed cover (31), air inlet (212) that communicate in inlet channel (211) are seted up to the upper portion lateral wall of (mixing) shaft (21).

4. The suction type ventilation device of the top of the granary according to claim 2, wherein: the stirring rod (22) is provided with an air outlet rod (24) communicated with the air outlet flow channel (221), and the air outlet rod (24) is provided with a plurality of air outlet rods which are distributed along the length of the stirring rod (22).

5. The suction type ventilation device of the top of the granary according to claim 4, wherein: the air outlet rods (24) between the two adjacent stirring rods (22) are in staggered distribution.

6. The suction type ventilation device of the top of the granary according to claim 1, wherein: the inner wall of exhaust casing (4) rotates and is connected with drive roll (43) and driven voller (44), filter screen (42) are around the annular filter belt of locating drive roll (43) and driven voller (44), the lateral wall of exhaust casing (4) is provided with drive roll (43) pivoted driving motor (45).

7. The suction type ventilation device of the top of the granary according to claim 6, wherein: and a sealing scraping strip (46) abutted against the outer surface of the filter screen (42) is arranged on the inner wall of the exhaust shell (4).

8. The suction type ventilation device of the top of the granary according to claim 1, wherein: the upper end of the exhaust shell (4) is hinged with a sealing cover plate (47) for controlling the opening and closing of an exhaust port of the exhaust shell.