CN213187255U

CN213187255U - Low-energy-consumption anti-mildew aeration cooling device in grain crop storage bin

Info

Publication number: CN213187255U
Application number: CN202021257610.7U
Authority: CN
Inventors: 高颖; 高崇仁; 张上
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-05-14
Anticipated expiration: 2030-07-01

Abstract

The utility model provides a low energy consumption anti-mildew aeration cooling device in grain crop storage storehouse, belongs to grain storage device technical field, solves grain and goes mildy rotten technical problem easily in the storage process in storing up the granary, and the solution is: the ventilation pipe passes through ventilation pipe fixing base fixed mounting on storage grain bin top, and the lower extreme of ventilation pipe sets up to the air intake, and the upper end of ventilation pipe sets up to the air exit, and the air intake end is greater than or equal to 1.0 with the sectional area ratio of air exit end, and a plurality of hot-blast rings set up in the lower part of ventilation pipe lumen along the axis direction of ventilation pipe, are provided with ventilation gap or vent on the lateral wall of ventilation pipe, and the outside cover of ventilation pipe is equipped with the draft hood, is provided with the sieve mesh. The ventilation pipe can be set as a multistage ventilation pipe, and ventilation gaps arranged on the side walls of the multistage ventilation pipe can be replaced by ventilation holes. The utility model discloses a form updraft in the ventilation pipe, realized the inside ventilation of storage grain bin with low energy consumption, be unlikely to in the storage grain bin that local accumulated temperature goes mildy and rot.

Description

Low-energy-consumption anti-mildew aeration cooling device in grain crop storage bin

Technical Field

The utility model belongs to the technical field of grain storage device, concretely relates to be used for storing the device that the low energy consumption anti-mildew aeration cooling was handled in flat storehouse, silo (cement, steel structure) or the small-size granary of family usefulness (cylindrical, tubaeform etc.) of grain crops (like grain crops such as rice, wheat, soybean, maize and sorghum).

Background

The grain storage bin is a basic facility and equipment for storing grains, and comprises a silo and a flat bin for storing grains and a small grain storage bin for storing grains at home. The harvested grain crops usually have strict requirements on the water content, so the grains can be placed in a grain storage bin after being aired. Because of the influence of factors of natural environment, particularly weather humidity and day and night temperature difference, and the influence of multiple sections of grain collection and storage, the grains are mildewed and heated during storage, the grains are damaged, resources are wasted, and the national grain safety is threatened. A large amount of manpower and material resources can be wasted by drying grains in the sun for many times.

The anti-mildew and cooling measures adopted by the existing grain storage bin have the problems of high energy consumption, unsatisfactory effect, poor moisture-proof effect of the grain storage bin, difficulty in discharging moisture, low working efficiency, time consumption and labor consumption.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, solve grain and go mildy rotten technical problem easily in the storage process in storing up the granary, the utility model provides a prevent temperature rise, prevent low energy consumption aeration cooling processing apparatus that mildenes and rot in the storehouse when being used for grain crop to store.

The utility model discloses a following technical scheme realizes.

The utility model provides a low energy consumption anti-mildew aeration cooling device in granary is stored to grain crop, it includes ventilation pipe fixing base, ventilation pipe and draft hood, and the top lid of storing up the granary is equipped with stores up granary top, its characterized in that: the ventilation pipe fixing seats are fixedly arranged on the lower surface of the top of the grain storage bin according to the size of the grain storage bin, the ventilation pipes are arranged in the grain storage bin, each ventilation pipe is vertically arranged on the corresponding ventilation pipe fixing seat, the lower end of each ventilation pipe is provided with an air inlet, the upper end of each ventilation pipe is provided with an air outlet, and the ratio of the sectional area of the air inlet end to the sectional area of the air outlet end is larger than or equal to 1.0; an air exhaust connecting cap is arranged above the ventilating pipe and is positioned above the surface of the stored grain crops; the lower part of the ventilation pipe extends to the bottom of the grain storage bin, the lower part of the ventilation pipe is provided with an air inlet pipe, and the air inlet pipe penetrates through the bottom surface of the grain storage bin and extends to the outside of the grain storage bin; the device comprises a ventilation pipe, at least three hot air spraying rings, hot air inlets and nozzles, wherein the at least three hot air spraying rings are arranged at the lower part of a pipe cavity of the ventilation pipe along the axial direction of the ventilation pipe, the nozzles are uniformly distributed in 5-10 numbers along the circumferential direction of the hot air spraying rings, the hot air inlets of the hot air spraying rings are communicated through a hot air pipe, the hot air pipe penetrates through an air inlet pipe and extends to the outside of a grain storage bin, and hot air with the temperature higher than the temperature inside the grain storage bin is introduced; the side wall of the ventilation pipe is provided with a ventilation gap, the ventilation gap is in a linear shape, a single spiral line shape, a double spiral line shape or a multi-spiral line shape, a ventilation cover used for preventing grains from entering the ventilation pipe from the ventilation gap is sleeved outside the ventilation pipe, and sieve holes are formed in the ventilation cover.

Furthermore, the shape of the section of the ventilation pipe is circular, oval, rectangular, polygonal or special-shaped section steel.

Furthermore, the ventilation pipe is a variable cross-section flared pipe, and the sectional area of the middle part of the ventilation pipe is smaller than the sectional areas of the two ends of the ventilation pipe.

Further, the distance between the adjacent hot air spraying rings in the vertical direction is-meter.

Furthermore, a plurality of ventilation openings are adopted on the side wall of the ventilation pipe to replace ventilation gaps, the ventilation openings are circular, oval or rectangular, and the ventilation openings are distributed on the side wall of the ventilation pipe.

Furthermore, the ventilation pipes are arranged into multi-stage ventilation pipes, the multi-stage ventilation pipes are multi-stage uniform-section ventilation pipes or multi-stage taper gradient-section ventilation pipes, and adjacent stages of ventilation pipes are connected through joints.

Furthermore, a fixing ring is fixedly installed on the lower portion of the lowest ventilation pipe in the multi-stage ventilation pipes and fixedly connected with a lead screw sliding table, a lead screw is vertically and downwards fixedly installed on the top of the grain storage bin, the lead screw sliding table is matched with the lead screw, and a motor drives the multi-stage ventilation pipes to extend or contract through a ball screw transmission mechanism.

Furthermore, ventilation pipes and multi-stage ventilation pipes are arranged in the grain storage bin at intervals according to actual needs.

Furthermore, a temperature sensor and a humidity sensor are arranged on the side wall of each stage of ventilation pipe on the multi-stage ventilation pipe.

Furthermore, the aperture of the sieve pore on the ventilation hood is 0.2-3 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can store the ventilation pipe or the multistage ventilation pipe of the type in storehouse, diameter and the high selection different specifications according to grain crop, adopted direct inside ventilation's mode, effectual realized that grain crop stores the inside ventilation in storehouse, be unlikely to local temperature accumulation and go mildy and bad.

2. When the utility model is operated, the natural upper and lower pressure difference is formed in the ventilation pipe, the negative pressure is formed at the bottom of the ventilation pipe, the upward air flow is generated, and the low-energy ventilation is carried out in the grain storage bin; according to the actual temperature condition, a certain heat source (hot air spray ring) can be properly added at the bottom of the ventilation pipe, so that the negative pressure effect generated in the ventilation pipe is better, and ventilation, cooling and mildew prevention in a grain storage bin are facilitated.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a front cross-sectional structural view of the vent tube of FIG. 1 configured as a variable cross-section vent tube;

FIG. 3 is a schematic sectional view of a multi-stage ventilation duct of FIG. 1;

FIG. 4 is a schematic view of a partial cross-sectional structure of the multi-stage ventilation tube of FIG. 3 from the front view, with ventilation holes being used instead of ventilation slits;

FIG. 5 is a schematic sectional view of a hot air spray ring.

In the figure, 1 is a grain storage bin, 2 is a grain storage bin top, 3 is a ventilation pipe fixing seat, 4 is a ventilation pipe, 5 is an exhaust connecting cap, 6 is an air inlet pipe, 7 is a motor, 8 is a screw rod, 9 is a screw rod sliding table, 10 is a multi-stage ventilation pipe, 11 is a fixing ring, 12 is a ventilation gap, 13 is a ventilation opening, 14 is a ventilation hood, 15 is a hot air spray ring, 16 is a nozzle, and 17 is a hot air pipe.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Unless otherwise specified, the examples follow conventional experimental conditions. In addition, various modifications and improvements to the materials and amounts used in these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and are within the scope of the invention as claimed.

Example one

As shown in fig. 1, the low-energy-consumption anti-mildew aeration and cooling device in the grain crop storage bin comprises a ventilation pipe fixing seat 3, a ventilation pipe 4 and a ventilation hood 14, wherein a grain storage bin top 2 is arranged above the grain storage bin 1 in a covering manner, and the ventilation and cooling device comprises: the ventilation pipe fixing seats 3 are fixedly arranged on the lower surface of the top 2 of the grain storage bin according to the size of the grain storage bin 1, the ventilation pipes 4 are arranged in the grain storage bin 1, each ventilation pipe 4 is vertically arranged on the corresponding ventilation pipe fixing seat 3, the cross sections of the ventilation pipes 4 are round, oval, rectangular, polygonal or special-shaped section steel, the lower ends of the ventilation pipes 4 are air inlets, the upper ends of the ventilation pipes 4 are air outlets, the ratio of the cross section area of the air inlets to the cross section area of the air outlets is more than or equal to 1.0, namely if the ratio is equal to 1.0, the ventilation pipes 4 are straight pipes with equal upper and lower cross sections; an exhaust connecting cap 5 is arranged above the ventilation pipe 4, the exhaust connecting cap 5 is positioned above the surface of the stored grain crops, if only one ventilation pipe 4 is arranged in the grain storage bin 1, an exhaust pipe is arranged above the exhaust connecting cap 5, and the exhaust pipe penetrates through the top 2 of the grain storage bin and extends to the outside of the grain storage bin 1; the lower part of the ventilation pipe 4 extends to the bottom of the grain storage bin 1, the lower part of the ventilation pipe 4 is provided with an air inlet pipe 6, and the air inlet pipe 6 penetrates through the bottom surface of the grain storage bin 1 and extends to the outside of the grain storage bin 1; the device comprises a ventilation pipe 4, at least three hot air spraying rings 15, hot air inlets and nozzles 16, wherein the at least three hot air spraying rings 15 are arranged at the lower part of a pipe cavity of the ventilation pipe 4 along the axial direction of the ventilation pipe 4, the vertical direction interval between every two adjacent hot air spraying rings 15 is 1-3 meters, the hot air spraying rings 15 are provided with the hot air inlets and the nozzles 16, the nozzles 16 are uniformly distributed in 5-10 directions along the circumferential direction of the hot air spraying rings 15, the hot air inlets of the hot air spraying rings 15 are communicated through hot air pipes 17, the hot air pipes 17 penetrate through an air inlet pipe and extend to the outside of a grain storage bin; be provided with ventilation gap 12 on the lateral wall of ventilation pipe 4, ventilation gap 12's shape is straight line shape, single helix line shape, double helix line shape or many helix line shapes, and ventilation pipe 4's outside cover is equipped with the draft hood 14 that is used for preventing grain from getting into ventilation pipe 4 by ventilation gap 12, is provided with the sieve mesh on the draft hood 14, and the aperture of sieve mesh is 0.2~3 mm.

Further, as shown in fig. 2, the ventilation pipe 4 is a flared pipe with a variable cross section, and the cross section of the middle part of the ventilation pipe 4 is smaller than that of the two ends, which is more beneficial to forming pressure difference at the upper and lower ends of the ventilation pipe 4.

The use process of the device in the first embodiment is as follows:

install ventilation pipe 4 on storage granary top 2 through ventilation pipe fixing base 3, will store up granary top 2 and hoist in storage granary 1's top together with ventilation pipe 4, only need guarantee to air exhaust the position of connecting cap 5 set up in storage granary 1 grain surface's top can, air-supply line 6 passes through the pipeline and is connected with outside wind station, wind station blows in clean wind into storage granary 1 through ventilation pipe 4, it is the heat that produces to take away the storage of grain in storage granary 1, the hot-blast main communicates with outside hot-blast air supply arrangement, spout hot-blast in the hot-blast ring 15, form obvious pressure differential between the upper end of ventilation pipe 4 and the lower extreme, form ascending air current in the ventilation pipe 4, realize the inside low energy consumption ventilation of storage granary 1, be unlikely to local temperature accumulation and go bad.

Example two

As shown in figure 2, the ventilation and cooling device with low energy consumption and anti-mildew performance in the grain crop storage bin is characterized in that ventilation pipes 4 are arranged into multi-stage ventilation pipes 10, the multi-stage ventilation pipes 10 are multi-stage ventilation pipes with equal sections or multi-stage ventilation pipes with gradually changed sections, and adjacent stages of ventilation pipes are connected through connectors.

Further, the lower part fixed mounting retainer plate 11 of the one-level ventilation pipe of the lowest in multistage ventilation pipe 10, retainer plate 11 and lead screw slip table 9 fixed connection, vertical downward fixed mounting of lead screw 8 is on storing up granary top 2, lead screw slip table 9 and the cooperation of lead screw 8, and motor 7 passes through the extension of ball screw drive mechanism drive multistage ventilation pipe 10 or shrink.

Furthermore, a temperature sensor and a humidity sensor are arranged on the side wall of each stage of ventilation pipe on the multi-stage ventilation pipe 10, signal lines of the temperature sensor and the humidity sensor penetrate through the air inlet pipe to be connected with external equipment, the temperature and the humidity of grains near the multi-stage ventilation pipe 10 in the grain storage bin 1 are detected in real time, and a basis is provided for the flow rate of air introduced into the air inlet pipe.

Furthermore, ventilation pipes 4 and multi-stage ventilation pipes 10 are arranged in the grain storage bin 1 at intervals according to actual needs.

Further, as shown in fig. 4, a plurality of ventilation openings 13 are adopted on the side wall of the ventilation pipe 4 instead of the ventilation slits 12, the ventilation openings 13 are circular, oval or rectangular, and the ventilation openings 13 are distributed on the side wall of the ventilation pipe 4.

The using process is as follows: the motor 7 drives the multistage ventilation pipe 10 to extend to the bottom of the grain storage bin 1 through the ball screw transmission mechanism, the air inlet pipe is connected with an external air station through a pipeline, clean air is blown into the grain storage bin 1 through the multistage ventilation pipe 10 by the air station, and the internal ventilation of the grain storage bin 1 is realized by the aid of the method and the device, so that local accumulated temperature, mildewing and deterioration are avoided.

After the grains in the grain storage bin 1 are discharged out of the grain storage bin 1 from the bottom of the grain storage bin 1, the motor 7 drives the multistage ventilation pipe 10 to retract through the ball screw transmission mechanism, and the bottom of the grain storage bin 1 is convenient to clean.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a low energy consumption anti-mildew aeration cooling device in granary is stored to grain crop, it includes ventilation pipe fixing base (3), ventilation pipe (4) and draft hood (14), and the top lid of storing up granary (1) is equipped with stores up granary top (2), its characterized in that: the ventilation pipe fixing seats (3) are fixedly arranged on the lower surface of the top (2) of the grain storage bin according to the size of the grain storage bin (1), the ventilation pipes (4) are arranged in the grain storage bin (1), each ventilation pipe (4) is vertically arranged on the corresponding ventilation pipe fixing seat (3), the lower end of each ventilation pipe (4) is provided with an air inlet, the upper end of each ventilation pipe (4) is provided with an air outlet, and the ratio of the sectional area of each air inlet to the sectional area of each air outlet is greater than or equal to 1.0; an air exhaust connecting cap (5) is arranged above the ventilation pipe (4), and the air exhaust connecting cap (5) is positioned above the surface of the stored grain crops; the lower part of the ventilation pipe (4) extends to the bottom of the grain storage bin (1), the lower part of the ventilation pipe (4) is provided with an air inlet pipe (6), and the air inlet pipe (6) penetrates through the bottom surface of the grain storage bin (1) and extends to the outside of the grain storage bin (1); the device comprises at least three hot air spraying rings (15), wherein the hot air spraying rings (15) are arranged at the lower part of a pipe cavity of a ventilation pipe (4) along the axial direction of the ventilation pipe (4), hot air inlets and nozzles (16) are arranged on the hot air spraying rings (15), 5-10 nozzles (16) are uniformly distributed along the circumferential direction of the hot air spraying rings (15), the hot air inlets of the hot air spraying rings (15) are communicated through hot air pipes (17), the hot air pipes (17) penetrate through an air inlet pipe and extend to the outside of a grain storage bin (1), and hot air with the temperature higher than the internal temperature of the grain storage bin (1) is introduced into the hot air pipes (17; the grain-oriented ventilating device is characterized in that a ventilating gap (12) is formed in the side wall of the ventilating pipe (4), the ventilating gap (12) is in a linear shape, a single spiral line shape, a double spiral line shape or a multi-spiral line shape, a ventilating cover (14) used for preventing grains from entering the ventilating pipe (4) through the ventilating gap (12) is sleeved outside the ventilating pipe (4), and sieve holes are formed in the ventilating cover (14).

2. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the section of the ventilation pipe (4) is circular, oval, rectangular, polygonal or special-shaped section steel.

3. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the ventilation pipe (4) is a variable cross-section horn pipe, and the sectional area of the middle part of the ventilation pipe (4) is smaller than the sectional areas of the two ends.

4. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the distance between the adjacent hot air spraying rings (15) in the vertical direction is 1-3 m.

5. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the side wall of the ventilation pipe (4) is provided with a plurality of ventilation openings (13) instead of the ventilation slits (12), the ventilation openings (13) are circular, oval or rectangular, and the ventilation openings (13) are dispersedly arranged on the side wall of the ventilation pipe (4).

6. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the ventilation pipes (4) are arranged into multi-stage ventilation pipes (10), the multi-stage ventilation pipes (10) are multi-stage uniform-section ventilation pipes or multi-stage taper gradient-section ventilation pipes, and adjacent stages of ventilation pipes are connected through joints.

7. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 6, wherein: the multi-stage ventilation pipe (10) is characterized in that a fixing ring (11) is fixedly mounted on the lower portion of the lowest ventilation pipe, the fixing ring (11) is fixedly connected with a screw sliding table (9), a screw (8) is vertically and downwards fixedly mounted on a top (2) of a grain storage bin, the screw sliding table (9) is matched with the screw (8), and a motor (7) drives the multi-stage ventilation pipe (10) to extend or retract through a ball screw transmission mechanism.

8. The low-energy-consumption anti-mildew aeration cooling device in the grain crop storage bin as claimed in claim 6 or 7, wherein: ventilating pipes (4) and multi-stage ventilating pipes (10) are arranged in the grain storage bin (1) at intervals according to actual needs.

9. The low-energy-consumption anti-mildew aeration cooling device in the grain crop storage bin as claimed in claim 6 or 7, wherein: and the side wall of each stage of ventilation pipe on the multi-stage ventilation pipe (10) is provided with a temperature sensor and a humidity sensor.

10. The low energy consumption anti-mildew aeration cooling device in the grain crop storage bin of claim 1, wherein: the aperture of the sieve pore on the ventilation hood (14) is 0.2-3 mm.