Energy-saving, environment-friendly and efficient large-circulation drying bin

Abstract

The utility model relates to the technical field of seed drying processing, in particular to an energy-saving, environment-friendly and efficient large-circulation drying bin which comprises drying bin bodies arranged on a foundation, a drying chamber partition plate is arranged between the two opposite drying bin bodies, the drying chamber partition plate and an upper-layer top plate jointly form a recovery air duct, and the drying chamber partition plate and the foundation form a dry-hot air duct. A pressure regulating door is arranged on a drying chamber partition plate between the dry and hot air duct and the recovery air duct; a filling door is arranged at the top of the drying bin; a seed bed is arranged in the drying bin; a discharge door and a lower exhaust door are arranged at the lower part of an outer side partition wall of the drying bin; the sectional area of circulation of the air channel is increased, under the condition that the overall height and width are not changed, the air speed in the air channel is reduced, a stable isobaric chamber is built, and under the same drying capacity, the air volume is more uniform, and the drying efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to seed drying processing technical field, concretely is a kind of energy-saving and environment-friendly efficient large circulation drying bin. BACKGROUND

[0002] Seed industry is the fundamental to promote the long-term stable development of agriculture.

[0003] At present, the above problems cannot be solved by the drying bin on the market, we will refer to the following literature to analyze the structure and principle of traditional seed drying bin, specifically:

[0004] The fruit drying machine disclosed in domestic patent CN2011204229581, the novel house type corn ear drying device disclosed in domestic patent CN201720892200.1 and the corn ear drying bin disclosed in domestic patent CN20192067119.X all adopt the traditional mode of upper air duct air inlet-filler door air outlet in structure and ventilation principle, and such ventilation path can directly discharge light impurities, silk and bracts in drying into outdoor along with wind, causing environmental pollution.

[0005] Hou Yanfang, Yu Zhanchaihua. On Corn Ear Drying. Agricultural Equipment Technology. 2008, No. 145, elaborates the drying principle of traditional seed drying bin, and the hot air replaced by heat exchanger is also air inlet through upper air duct, which has no influence on small capacity, but when capacity is large, the hot air flow cross-sectional area is too small, which can cause excessive wind speed in passage, unbalanced air pressure, uneven drying quality and low drying efficiency when drying in multiple bins, and single-bin reversing drying cannot be realized, and drying rate is too slow or even cannot be dried when used in rainy days or high temperature and humidity weather.

[0006] Li Deyun. Structure Introduction of New Steel Structure Corn Ear Drying Bin. Seed Machinery. 2017.06, elaborates the structure and hot air reversing principle of steel structure corn ear drying bin, the end fan ear room of which is double-layer structure, one layer is provided with heat exchanger, and the second layer is provided with fan, and the hot air reversing also adopts traditional drying process, which is not efficient, environment-friendly and practical from construction cost to drying process.

[0007] In summary, it is urgent to develop an energy-saving, environment-friendly, efficient and low-cost drying bin in the field. SUMMARY

[0008] In order to make up for the above shortcomings, the purpose of the utility model is to provide an energy-saving, environment-friendly and efficient large circulation drying bin to solve the problems in the above background technology.

[0009] The technical scheme of the utility model is:

[0010] The utility model provides a kind of energy-saving and environment-friendly high-efficient large circulation drying bin, including the drying bin being set on foundation, the middle of opposite two drying bins is equipped with drying chamber partition, drying chamber partition and upper deck jointly constitute recovery air duct, drying chamber partition and foundation constitute dry hot air duct, the drying chamber partition between the dry hot air duct and the recovery air duct is equipped with pressure regulating door, the top of the drying bin is equipped with filler door, drying bin inside is equipped with seedbed, the outside partition wall of the drying bin lower part is equipped with discharge door, the lower part of discharge door is equipped with lower exhaust door, the upper part of the inside partition wall of the drying bin is equipped with upper ventilation door, the lower part of the inside partition wall of the drying bin is equipped with lower ventilation door, one end or two ends of the dry hot air duct is equipped with ear room, the ear room is equipped with fan and heat source connected with fan, the air outlet of the fan is communicated with the dry hot air duct, the ground surface of the foundation in the dry hot air duct area is sunken.

[0011] Preferably, the upper part of the discharge door is installed with discharge rain shed.

[0012] Preferably, the seedbed is installed obliquely.

[0013] Preferably, the top of the drying bin is equipped with bin top rain shed.

[0014] Preferably, the drying bin is equipped with several humidity meters and pressure gauges.

[0015] Compared with prior art, the utility model has the beneficial effects that:

[0016] First, a layer of air duct is used as dry hot air duct, one end or two ends of dry hot air duct is equipped with ear room, so that fan in ear room can directly send hot air into dry hot air duct, ear room height is lower, at the same time, dry hot air duct is positive pressure area, and the bottom of recovery air duct bears upward positive pressure, only considering self supporting strength and personnel traffic activity load when constructing, construction cost can be greatly reduced as a whole.

[0017] Second, the ground surface in the area is sunken, so that the cross-sectional area of air duct circulation is increased, wind speed in air duct is reduced under the condition that overall height and width are unchanged, stable constant pressure chamber is created, air volume is more uniform, and drying efficiency is higher under the condition that the same drying capacity.

[0018] Third, drying ventilation process is improved, whether air is passed up or down, hot air after drying needs to pass through seedbed and then be discharged through lower exhaust door, so that light impurities such as floss and bract are completely avoided from being directly discharged outside, and working environment is improved.

[0019] Fourth: realize single bin reversing drying, through setting lower exhaust door, when passing upper air, hot air enters from upper air door and discharges from lower exhaust door, when passing lower air, hot air enters from lower air door and discharges from filling door, so even in rainy day or weather with higher outdoor temperature and humidity, drying operation can continue, and drying efficiency is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of energy-saving and environment-friendly high-efficiency large circulation drying bin of the utility model;

[0021] Figure 2 It is the structure schematic diagram of heating mechanism of the utility model;

[0022] Figure 3 It is the drying path schematic diagram of passing lower air of the utility model;

[0023] Figure 4 It is the drying path schematic diagram of passing upper air of the utility model;

[0024] Figure 5 It is the single bin reversing drying path schematic diagram of the utility model.

[0025] In the drawing: 1. drying bin; 2. foundation; 3. dry hot air duct; 4. recovery air duct; 5. bin top rain shed; 6. ear room; 7. filling door; 8. seed bed; 9. discharge door; 10. discharge rain shed; 11. lower exhaust door; 12. upper air door; 13. lower air door; 14. pressure regulating door; 15. fan; 16. heat source; 17. drying chamber partition. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The above technical solutions will be described in detail by the following embodiments of the utility model:

[0028] An energy-saving, environment-friendly and high-efficiency large circulation drying bin comprises a drying bin 1 arranged on a foundation 2, an oven partition plate 17 arranged between two drying bins 1, the oven partition plate 17 and an upper layer of top plate jointly forming a recovery air duct 4, the oven partition plate 17 and the foundation 2 forming a dry hot air duct 3, a pressure regulating door 14 being arranged on the oven partition plate 17 between the dry hot air duct 3 and the recovery air duct 4, a filler door 7 being arranged on the top of the drying bin 1, a seed bed 8 being arranged in the drying bin 1, a discharge door 9 being arranged on the lower part of the outer partition wall of the drying bin 1, a lower exhaust door 11 being arranged on the lower part of the discharge door 9, an upper ventilation door 12 being arranged on the upper part of the inner partition wall of the drying bin 1, and a lower ventilation door 13 being arranged on the lower part of the inner partition wall of the drying bin 1,

[0029] As shown in the accompanying drawings, Figure 2 One end or both ends of the dry hot air duct 3 is provided with an ear room 6, the ear room 6 is internally provided with a fan 15 and a heat source 16 connected with the fan 15, an air outlet of the fan 15 is communicated with the dry hot air duct 3, and the ground of the foundation 2 in the region of the dry hot air duct 3 is sunken.

[0030] In specific use, the material is filled into the seed bed 8 through the filler door 7, the initial moisture of the seed is high, and low-temperature drying is needed, when the lower air drying is carried out (referring to the accompanying drawings), Figure 3 The low-temperature hot air in the recovery air duct 4 enters the upper part of the drying bin 1 through the upper ventilation door 12, passes through the seed bed 8, and is discharged through the lower exhaust door 11, at this time, the air is humid hot air and cannot be directly discharged. The pressure regulating door 11 is used for ensuring that there is a certain pressure difference between the dry hot air duct and the recovery air duct, and the air can pass through the seed bed 8.

[0031] When the upper air drying is carried out (referring to the accompanying drawings), Figure 4), the fan 15 in the ear room 6 directly sends hot air into the dry hot air duct 3 and starts drying, the hot air in the dry hot air duct 3 enters the bottom of the drying bin 1 through the lower air door 13, passes through the seed bed 8, and then enters the recovery air duct 4 through the upper air door 12, at this time, the hot air is high-temperature and low-humidity hot air, which can be recycled twice, and then enters the upper part of another drying bin 1 through the upper air door 12, passes through the seed bed 8, and is then discharged through the lower air door 11. As can be seen, the first layer is the dry hot air duct 3, the fan 15 can directly send hot air into the dry hot air duct 3, which reduces the height of the ear room 6, at the same time, the dry hot air duct 3 is a positive pressure area, and the bottom of the recovery air duct 4 bears upward positive pressure, only the self-supporting strength and the activity load of personnel passing through are considered in construction, which can greatly reduce the construction cost, when the drying scale is expanded, the foundation 2 in the dry hot air duct 3 is settled, the cross-sectional area of the air duct is increased, the wind speed in the air duct is reduced under the condition that the overall height and width are unchanged, a stable constant pressure chamber is created, the air volume is more uniform, the drying efficiency is higher, whether the upper air is passed or the lower air is passed, the hot air after drying needs to pass through the seed bed 8 and then be discharged through the lower air door 11, and the hot air filtered through the seed bed 8 completely avoids that the light impurities such as flower silk and bracts are directly discharged outside, and the working environment is improved.

[0032] Referring to the drawings Figure 5 The drying chamber partition plate 17 between the dry hot air duct 3 and the recovery air duct 4 is provided with a pressure regulating door 14, in rainy days or in weather with high outdoor temperature and humidity, the pressure regulating door 14 is completely opened, so that the dry hot air duct 3 and the recovery air duct 4 become a chamber, when the upper air is passed, the hot air enters from the upper air door 12, passes through the seed bed 8 and is then discharged from the lower air door 11, when the lower air is passed, the hot air enters from the lower air door 13, passes through the seed bed 8 and is then discharged from the filler door 7, which can realize single-bin reversing drying and ensure drying efficiency.

Claims

1. An energy-saving, environmentally friendly and efficient large-circulation drying chamber, characterized by: It includes the drying bin (1) set on the foundation (2), the opposite two drying bins (1) are equipped with the drying chamber partition (17) in the middle, the drying chamber partition (17) and the upper layer top board jointly constitute the recovery air channel (4), the drying chamber partition (17) and the foundation (2) constitute the dry hot air channel (3), the drying chamber partition (17) between the dry hot air channel (3) and the recovery air channel (4) is equipped with the pressure regulating door (14), the top of the drying bin (1) is equipped with the filler door (7), the inside of the drying bin (1) is equipped with the seed bed (8), the outside partition wall of the drying bin (1) is equipped with the discharge door (9) in the lower part, the lower part of the discharge door (9) is equipped with the lower exhaust door (11), the inside partition wall of the drying bin (1) is equipped with the upper ventilation door (12) in the upper part, the inside partition wall of the drying bin (1) is equipped with the lower ventilation door (13) in the lower part, one end or both ends of the dry hot air channel (3) is equipped with the ear room (6), the inside of the ear room (6) is equipped with the fan (15) and the heat source (16) connected with the fan (15), the air outlet of the fan (15) is communicated with the dry hot air channel (3), the ground of the foundation (2) in the dry hot air channel (3) area is sunken.

2. The energy-saving, environment-friendly and high-efficiency large-circulation drying bin according to claim 1, characterized in that: The upper part of the discharge door (9) is equipped with the discharge rain shed (10).

3. The energy-saving, environment-friendly and high-efficiency large-circulation drying bin according to claim 1, characterized in that: The seed bed (8) is installed obliquely.

4. The energy-saving, environment-friendly and high-efficiency large-circulation drying bin according to claim 1, characterized in that, The top of the drying bin (1) is equipped with the bin top rain shed (5).

5. The energy-saving, environment-friendly and high-efficiency large-circulation drying bin according to claim 1, characterized in that, The drying bin (1) is equipped with a plurality of humidity meters and pressure gauges.

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