CN215113584U

CN215113584U - Grain drying system

Info

Publication number: CN215113584U
Application number: CN202120426035.7U
Authority: CN
Inventors: 周志明; 周凡森; 张志霞; 张志斌
Original assignee: Xichuan Lida Condiment Co ltd
Current assignee: Xichuan Lida Condiment Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-10
Anticipated expiration: 2031-02-26

Abstract

The utility model provides a grain drying system includes storage grain bin and the heating pipe that extends along the inner wall from the lower phase spiral of storage grain bin, the heating pipe has the air inlet that is located the storage grain bin hypomere and the gas outlet that is located storage grain bin top, be equipped with the jet-propelled air jet of orientation storage grain bin on the pipe wall of heating pipe. The hot gas is continuously introduced into the spiral heating pipe arranged on the inner wall of the grain storage bin, so that the moisture in the grains is continuously evaporated, the grains are kept dry, and the grains are prevented from mildewing.

Description

Grain drying system

Technical Field

The utility model relates to a grain drying technology field, concretely relates to grain drying system.

Background

Since ancient times, the nation uses the people as the basis and the people use the food as the day; the grain is not only an important strategic material for the national civilization and the national economic safety, but also the most basic life material of people. The grain safety is closely related to the harmony of the society, the stability of politics and the continuous development of economy. The moisture contained in the grains needs to be dried to meet the required humidity value for safe storage. When the well dried grain is placed in the granary for preservation, because the storage time is long and the change of weather, the humidity in the granary can be increased, if the granary is not dried in time, the humidity in the granary is reduced, the grain can be mildewed after a long time, the grain is deteriorated, even if the grain is stored with less water content, if the ventilation effect of the granary is not good, the storage quality of the grain can be influenced after a long time of storage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grain drying system aims at solving among the prior art technical problem that grain humidity increases easily and mildenes and rot in the granary.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a grain drying system, includes storage grain bin and follows the heating pipe of the spiral extension from bottom to top of the inner wall of storage grain bin, the heating pipe has the air inlet that is located the storage grain bin hypomere and is located the gas outlet on storage grain bin top, and the air inlet is connected with hot air source, be equipped with the jet-propelled air jet of orientation storage grain bin on the pipe wall of heating pipe.

Preferably, the diameter of the air nozzle is not larger than the grain size.

Preferably, the height of the grain storage bin is 15-25 times of the pitch of the heating pipe.

Preferably, the wall of the grain storage bin sequentially comprises a steel plate, a moisture-proof heat-insulating layer and a galvanized plate from outside to inside.

Preferably, the grain drying system further comprises a hot air source, wherein the hot air source comprises a sleeve heating assembly and a solar heating assembly which are arranged on the outer side of the grain storage bin and are sequentially communicated with the air inlet.

Preferably, the sleeve heating assembly comprises a tubular body made of metal, a high-frequency coil wound on the tubular body, and an insulating and heat-insulating layer arranged between the tubular body and the high-frequency coil.

Preferably, fins for increasing a heat exchange area are provided on an inner wall of the tubular body.

Preferably, the solar heating assembly comprises a solar water heater, a water tank and a fin heat exchanger which are sequentially arranged according to the heat transfer direction; the solar water heating mechanism comprises a solar heat collecting plate, a solar photoelectric conversion plate is connected to the solar heat collecting plate, the solar photoelectric conversion plate is communicated with a water tank through a water pipe to form a water circulation channel, and a temperature sensing probe, a water valve and a circulating water pump are arranged on the water pipe between the solar photoelectric conversion plate and the water tank; the water tank is a heat-preservation constant-temperature water tank, and the water tank is communicated with the finned tubes through a circulating water pump and a water pipe to form a water circulation channel.

Preferably, the gas outlet extends to the outside of the grain storage bin and is communicated with an exhaust pipe, and a draught fan is arranged on the exhaust pipe.

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

the utility model discloses a heating pipe that storage grain bin and the inner wall spiral that follows storage grain bin extend from bottom to top, the heating pipe is including the air inlet of locating the storage grain bin hypomere and the gas outlet of locating the storage grain bin top, hot air source is connected to the air inlet, the air jet has been seted up to the orientation in the storage grain bin on the pipe wall of heating pipe. The hot gas is continuously introduced into the spiral heating pipe arranged on the inner wall of the grain storage bin, so that the moisture in the grains is continuously evaporated, the grains are kept dry, and the grains are prevented from mildewing.

Further, the wall of the grain storage bin sequentially comprises a steel plate, a moisture-proof heat-insulating layer and a galvanized plate from outside to inside; can effectively prolong the service life of the product, and a moisture-proof heat-insulating layer is arranged between the outer wall and the inner wall, so that the product has good heat-insulating property and the preservation time of the product is prolonged.

The grain drying system further comprises a hot air source, wherein the hot air source comprises a sleeve heating assembly and a solar heating assembly which are arranged on the outer side of the grain storage bin and sequentially communicated with the air inlet, hot water is heated by utilizing solar energy and circulates into the water tank, heat in the water tank enters the sleeve heating assembly communicated with the water tank in a hot air mode through the heat exchanger, and the sleeve heating assembly assists in heating when the temperature cannot be reached due to night and rainy days; the comprehensive energy conservation, emission reduction, environmental protection and green factory requirement realization are realized; more energy-saving and better drying effect. The clean energy is fully utilized, and the consumption of non-renewable energy is reduced.

Drawings

FIG. 1 is a front view of an embodiment of the grain drying system of the present invention;

fig. 2 is a schematic view of an embodiment of a heating tube of the present invention;

fig. 3 is a schematic view of an embodiment of a sleeve heating group according to the present invention;

fig. 4 is a schematic view of an embodiment of a solar heating module according to the present invention;

fig. 5 is a schematic structural view of an embodiment of a bin wall according to the present invention;

in the figure: 1. grain storage bin, 11, bin wall, 111, steel plate, 112, moisture-proof insulating layer, 113, galvanized plate; 2. heating a tube; 3. a hot gas source, 31, a sleeve heating component, 311, a tubular body, 312, a high-frequency coil, 32, a solar heating component, 321, a solar water heater, 322, a water tank, 323, a fin heat exchanger; 4. an induced draft fan.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses grain drying system's embodiment, like figure 1, a grain drying system includes storage grain bin 1 and the heating pipe 2 that extends along the inner wall of storage grain bin 1 spiral from bottom to top, and heating pipe 2 has the air inlet of locating storage grain bin 1 hypomere and locates the gas outlet on storage grain bin 1 top, and hot air source 3 is connected to the air inlet, on the pipe wall of heating pipe 2, towards the jet-propelled air jet in the storage grain bin 1. Make constantly letting in of hot gas through establishing spiral helicine heating pipe 2 on 1 inner wall of storage grain bin, constantly evaporate the moisture in the grain, and then keep the drying of grain, prevent its emergence of mildening and rot, the utility model is suitable for a drying of granular grain storage grain bin 1.

In the embodiment, the diameter of the air nozzle is not larger than the grain particle size, so that the air nozzle is prevented from being blocked by grains. The height of the grain storage bin 1 is 15-25 times of the pitch of the heating pipe 2.

In this embodiment, the wall 11 of the grain storage bin 1 sequentially comprises a steel plate 111, a moisture-proof insulating layer 112 and a galvanized plate 113 from outside to inside; the service life of the product can be effectively prolonged, and the moisture-proof heat-insulating layer 112 is arranged between the outer wall and the inner wall, so that the product has good heat-insulating property, and the storage time of the product is prolonged.

In this embodiment, the hot air source 3 includes a sleeve heating element 31 and a solar heating element 32 which are arranged outside the grain storage bin 1 and are sequentially communicated with the air inlet. The sleeve heating assembly 31 includes a tubular body 311 made of a metal material, a high-frequency coil 312312 wound thereon, and an insulating layer interposed therebetween, and fins for increasing a heat exchange area are provided on an inner wall of the tubular body 311. The solar heating assembly 32 comprises a solar water heater 321, a water tank 322 and a fin heat exchanger 323 which are sequentially arranged according to the heat transfer direction; the solar water heating mechanism comprises a solar heat collecting plate, a solar photoelectric conversion plate is connected to the solar heat collecting plate, the solar photoelectric conversion plate is communicated with the water tank 322 through a water pipe to form a water circulation channel, and a temperature sensing probe, a water valve and a circulating water pump are arranged on the water pipe between the solar photoelectric conversion plate and the water tank 322; the water tank 322 is a heat preservation constant temperature water tank 322, and the water tank 322 is communicated with the finned tubes through a circulating water pump and a water pipe to form a water circulation channel.

In this embodiment, the gas outlet extends to outside the grain storage bin and is communicated with an exhaust pipe, and the exhaust pipe is provided with a draught fan 4.

The utility model discloses a theory of operation and working process as follows: be fixed in the jet orifice of heating pipe 2 on the 1 inner wall of storage grain bin through the spiral, will treat hot-blast introduction storage grain bin 1, thereby the humidity in the storage grain bin 1 has been reduced, reach the purpose of drying, this kind of setting, need not carry moist grain in the storehouse to the drying-machine, only need predetermine in the storehouse heating pipe 2 can, do not harm the inner structure in the storehouse, dry efficient, when the actual application, can be through the change of the humidity that sets up the hygrometer in the storehouse and show, regularly to the hot gas of pumping in the grain bin.

Meanwhile, when the grains do not need to be dried at ordinary times, hot water heated by solar energy can be used for daily life of workers in a factory.

Claims

1. The utility model provides a grain drying system which characterized in that: the heating pipe is provided with an air inlet positioned at the lower section of the grain storage bin and an air outlet positioned at the top end of the top of the grain storage bin, the air inlet is connected with a hot air source, and an air jet opening which jets air towards the interior of the grain storage bin is arranged on the pipe wall of the heating pipe.

2. The grain drying system of claim 1, wherein: the diameter of the air jet is not more than grain diameter.

3. The grain drying system of claim 1, wherein: the height of the grain storage bin is 15-25 times of the pitch of the heating pipe.

4. The grain drying system of claim 1, wherein: the wall of the grain storage bin sequentially comprises a steel plate, a moisture-proof heat-insulating layer and a galvanized plate from outside to inside.

5. The grain drying system of claim 1, wherein: the hot gas source comprises a sleeve heating assembly and a solar heating assembly which are arranged on the outer side of the grain storage bin and are sequentially communicated with the air inlet.

6. The grain drying system of claim 5, wherein: the sleeve heating component comprises a tubular body made of metal materials, a high-frequency coil wound on the tubular body and an insulating and heat-insulating layer arranged between the tubular body and the high-frequency coil.

7. The grain drying system of claim 6, wherein: and fins for increasing the heat exchange area are arranged on the inner wall of the tubular body.

8. The grain drying system of claim 5, wherein: the solar heating assembly comprises a solar water heater, a water tank and a fin heat exchanger which are sequentially arranged according to the heat transfer direction; the solar water heating mechanism comprises a solar heat collecting plate, a solar photoelectric conversion plate is connected to the solar heat collecting plate, the solar photoelectric conversion plate is communicated with a water tank through a water pipe to form a water circulation channel, and a temperature sensing probe, a water valve and a circulating water pump are arranged on the water pipe between the solar photoelectric conversion plate and the water tank; the water tank is a heat-preservation constant-temperature water tank, and the water tank is communicated with the finned tubes through a circulating water pump and a water pipe to form a water circulation channel.

9. The grain drying system of any one of claims 1-8, wherein: the air outlet extends to the outside of the grain storage bin and is communicated with an exhaust pipe, and a draught fan is arranged on the exhaust pipe.