CN215602956U - Automatic tracking type solar grain drying system with impurity removal function - Google Patents

Abstract

The utility model discloses an automatic tracking type solar grain drying system with an impurity removal function, which comprises a plurality of solar heat collectors, a plurality of air inlet pipes, a plurality of air outlet pipes and a plurality of air outlet pipes, wherein the solar heat collectors are used for heating introduced air; the air outlet pipe is communicated with the solar heat collectors and used for guiding out heated air through the air duct; the drying chamber is communicated with the air duct through an air inlet; a plurality of ultraviolet lamps are arranged on the inner wall of the drying chamber; the drying chamber is used for drying grains entering the drying chamber from a feed inlet at the upper part of the drying chamber, and the ultraviolet lamps are used for sterilizing and deinsectizing the grains in the drying chamber; the impurity removing chamber is arranged below the drying chamber and is communicated with the drying chamber through a discharge hole arranged at the lower part of the drying chamber; the multi-stage electric sieve is arranged in the impurity removing chamber and is positioned below the discharge port, and the upper-stage sieve groove and the lower-stage sieve groove are used for sieving impurities in grains. Therefore, the problems of high energy consumption, low efficiency and insufficient deinsectization and impurity removal in the existing grain drying technology can be solved.

Description

Automatic tracking type solar grain drying system with impurity removal function

Technical Field

The utility model relates to the field of energy conservation and environmental protection, in particular to an automatic tracking type solar grain drying system with an impurity removal function.

Background

China is a big agricultural country, and drying treatment is a key link before grain storage and is also a necessary condition for grain safe storage. Improper drying treatment directly affects the grain quality, and further affects the economic benefit of enterprises and the life quality of people. Therefore, the innovation of the drying technology, especially the development of drying equipment with energy-saving and environment-friendly properties, becomes the bottleneck of the processing and development of the grain crops.

The drying temperature of the common grain crops is lower, about 40-70 ℃, the traditional drying chamber is adopted for hot air drying, the efficiency is low, the energy consumption is high, and the grain storage cost is increased. Solar energy is a renewable energy source, and is widely concerned by the grain drying field due to the characteristics of environmental protection, inexhaustibility and the like. However, in the solar drying device, the heat collector is generally fixedly installed, and the heat collecting surface is static and cannot track the change of the solar radiation angle, so that the solar energy utilization efficiency is low and the heat collecting effect is poor. In addition, the existing solar drying device has single function and low automation degree, only has a drying function, bacteria, pests and the like in the grain crops cannot be completely killed after being dried, the later-period grain storage is not facilitated, and the existing solar drying device does not have the functions of screening the pests, straws and the like in the dried grain crops, so that the safe eating of the grain crops is seriously affected.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic tracking type solar grain drying system with an impurity removal function, which can solve the problems of high energy consumption, low efficiency, incapability of effectively killing pests and removing impurities and the like in the conventional grain drying technology.

In order to achieve the aim, the utility model provides an automatic tracking type solar grain drying system with an impurity removal function, which comprises a solar heat collection device, a drying device and an impurity removal device; the solar heat collection device comprises a plurality of solar heat collectors, an air outlet pipe and an air duct; a plurality of solar collectors for heating the introduced wind; the air outlet pipe is communicated with the solar heat collectors and used for guiding out heated air through the air duct. The drying device comprises a drying chamber and a plurality of ultraviolet lamps; the drying chamber is communicated with the air duct through an air inlet; a plurality of ultraviolet lamps are arranged on the inner wall of the drying chamber; the drying chamber is used for drying grains entering the drying chamber from a feed inlet at the upper part of the drying chamber, and the ultraviolet lamps are used for sterilizing and deinsectizing the grains in the drying chamber. The impurity removing device comprises an impurity removing chamber and a multi-stage electric sieve; the impurity removing chamber is arranged below the drying chamber and is communicated with the drying chamber through a discharge hole arranged at the lower part of the drying chamber; the multi-stage electric sieve is arranged in the impurity removing chamber and is positioned below the discharge port, and comprises an upper-stage sieve groove and a lower-stage sieve groove which are vertically superposed; wherein higher level sieve groove and lower level sieve groove are used for removing the impurity in the grain.

In a preferred embodiment, the solar heat collection device further comprises an air inlet pipe, a plurality of connecting ducts and a turnover mechanism; the air inlet pipe is communicated with the plurality of solar heat collectors; the connecting pipes are communicated among the solar heat collectors, the air inlet pipe and the air outlet pipe; the turnover mechanism is connected with the solar heat collectors and controls the solar heat collectors to turn over in real time along with the position of the sun.

In a preferred embodiment, the turnover mechanism comprises a belt, a belt wheel, a servo motor and a control module, wherein the control module controls the servo motor to drive the plurality of solar collectors to turn over through the belt and the belt wheel according to the position of the sun.

In a preferred embodiment, the solar heat collection device further comprises a first fan, a first regulating valve, an auxiliary heater, an induced draft fan, a second regulating valve and a bracket; the first fan is arranged on the air duct and is positioned between the air inlet and the air outlet pipe; the first regulating valve is arranged on the air duct and is used for regulating the air quantity in the air duct; the auxiliary heater is arranged on the air duct and is positioned between the first fan and the air outlet pipe, and the auxiliary heater is used for carrying out auxiliary heating on air in the air duct when the plurality of solar heat collectors are insufficiently heated; the induced draft fan is communicated with the air inlet pipe and used for inducing air into the air inlet pipe; the second regulating valve is arranged between the induced draft fan and the air inlet pipe; the support is used for supporting the solar heat collection device.

In a preferred embodiment, the impurity removing device further comprises a transverse fixing plate, an extension plate, a clamping groove, a hydraulic cylinder, a hydraulic rod and a baffle plate; the transverse fixing plate is arranged at the lower part of the inner wall at one side of the impurity removing chamber and is positioned below one end of the lower-stage screen groove; the extension plate is arranged at one end of the lower-stage screen groove, and the extension plate is erected on the transverse fixing plate and is matched with the transverse fixing plate for use; the clamping groove is arranged at the other end of the lower-stage screen groove; the hydraulic cylinder is arranged at the lower part of the inner wall of the other side of the impurity removing chamber and is positioned below the other end of the lower-level screen groove, a chuck is arranged on a hydraulic rod of the hydraulic cylinder facing one end of the lower-level screen groove, and when the chuck reciprocates along with the hydraulic rod, the chuck is embedded into or separated from the clamping groove and can drive the multistage electric screen to vibrate up and down; the baffle is arranged on the upper part of the inner wall of the impurity removing chamber and is positioned above two ends of the upper-level sieve groove; wherein the baffle and the transverse fixing plate are used for limiting the moving path of the multistage electric screen up and down.

In a preferred embodiment, the automatic tracking type solar grain drying system with the impurity removing function further comprises a temperature and humidity detector, an air outlet, an air pump, a humidity sensor and a first controller; the temperature and humidity detector is arranged in the drying chamber; the air outlet is arranged at the lower part of the drying chamber; the air pump is arranged at the air outlet; the humidity sensor is electrically connected with the air pump; the first controller is electrically connected with the temperature and humidity detector, the first fan, the first regulating valve, the auxiliary heater, the ultraviolet lamps and the discharge port, and the first controller can automatically control the first fan, the first regulating valve and the auxiliary heater to work in a coordinated mode.

In a preferred embodiment, the automatic tracking solar grain drying system with impurity removal function further comprises a feed valve and a grain leakage-proof filter screen; the feeding valve is arranged at the feeding hole and used for sealing the feeding hole; the grain leak protection filter screen sets up on the air exit.

In a preferred embodiment, the automatic tracking solar grain drying system with impurity removal function further comprises a bottom sieve plate and a transparent cover plate; the bottom sieve plate is detachably arranged at the bottom of the impurity removing chamber; the transparent cover plate is detachably arranged at the grain outlet of the impurity removing chamber.

In a preferred embodiment, higher level's sieve groove and subordinate's sieve groove are all can dismantle the sieve groove, and the aperture of the sieve mesh hole of higher level's sieve groove is 1.2 ~ 1.8 times of grain particle size, and the aperture of the sieve mesh hole of subordinate's sieve groove is less than grain particle size.

In a preferred embodiment, the shape of the mesh openings is regular hexagons or diamonds.

Compared with the prior art, the automatic tracking type solar grain drying system with the impurity removal function has the following beneficial effects: the scheme is provided with a solar heat collecting device, a drying device and an impurity removing device, and firstly, wind for drying grains is heated by the solar heat collecting device to reduce energy consumption; meanwhile, the solar heat collector is controlled to turn over in real time along with the position of the sun through the turning mechanism so as to exert the highest conversion efficiency; the auxiliary heater is used for supplementing auxiliary heating when the sunlight is insufficient; the drying device can dry the grains and sterilize and deinsectize the grains through the ultraviolet lamp at the same time; the impurity removal device removes impurities from grains through the multistage sieve groove, and controls the solar heat collection device, the drying device and the impurity removal device to work coordinately through the first controller and the second controller; therefore, the problems of high energy consumption, low efficiency, incapability of effectively killing pests and removing impurities and the like in the existing grain drying technology can be solved.

Drawings

Fig. 1 is a schematic structural view of a solar grain drying system according to an embodiment of the present invention.

Description of the main reference numerals:

1-a solar heat collector, 2-an air inlet pipe, 3-an air outlet pipe, 4-a connecting conduit, 5-a belt, 6-a belt wheel, 7-a servo motor, 8-an auxiliary heater, 9-a first regulating valve, 10-a first fan, 11-a second regulating valve, 12-an induced draft fan, 13-a bracket, 14-an air duct, 15-an air inlet, 16-an inlet port, 17-a drying chamber, 18-an ultraviolet lamp, 19-an air outlet, 20-an air pump, 21-an outlet port, 22-a first controller, 23-an impurity removing chamber, 24-an upper-level sieve groove, 25-a lower-level sieve groove, 26-an extension plate, 27-a transverse fixing plate, 28-a hydraulic cylinder, 29-a hydraulic rod, 30-a clamping groove and 31-a second controller, 32-bottom screen deck, 33-baffle.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a solar grain drying system according to an embodiment of the present invention. The automatic tracking type solar grain drying system with the impurity removal function mainly comprises a solar heat collection device, a drying device and an impurity removal device. The solar heat collection device comprises: the solar energy heat collector comprises a solar energy heat collector 1, an air inlet pipe 2, an air outlet pipe 3, a connecting pipe 4, a belt 5, a belt wheel 6, a servo motor 7, an auxiliary heater 8, a first adjusting valve 9, a first fan 10, a second adjusting valve 11, an induced draft fan 12 and a support 13. The air inlet pipe 2 and the air outlet pipe 3 are movably connected with the solar heat collector 1 through a connecting conduit 4. The connecting conduit 4 is provided with a belt wheel 6 and a servo motor 7, and the belt wheel 6 is connected with a rotating shaft of the servo motor 7 through a belt 5. The servo motor 7 can drive the solar heat collector 1 to overturn in a follow-up mode according to the change of pulse signals caused by the change of the real-time position of the sun, so that the solar heat collector 1 can track the whole solar operation radiation process, and efficient heat collection is realized. The air inlet pipe 2 is externally connected with a second regulating valve 11 and an induced draft fan 12, and a temperature sensor is arranged in the air outlet pipe 3, so that the air quantity entering the solar thermal collector 1 can be conveniently controlled. The air outlet pipe 3 is externally connected with an auxiliary heater 8, a first regulating valve 9 and a first fan 10 in sequence, wherein the auxiliary heater 8 can be used under the condition of insufficient illumination such as cloudy days.

Referring to fig. 1, in some embodiments, the drying apparatus mainly includes a drying chamber 17, an air duct 14, an air inlet 15, an inlet 16, an ultraviolet lamp 18, an air outlet 19, an air pump 20, an outlet 21, and a first controller 22. The feeding port 16 is positioned at the top of the drying chamber 17, a feeding valve capable of sealing the material is arranged at the feeding port 16, and the discharging port 21 is positioned at the bottom of the drying chamber 17 and is provided with a discharging cover capable of being opened controllably. The air inlet 15 is located at one side of the drying chamber 17, and the air inlet 15 is connected with an air duct 14. The air outlet 19 is positioned at the other side of the drying chamber 17, a grain leakage-proof filter screen is arranged at the air outlet 19, the air outlet 19 is externally connected with an air pump 20 provided with a humidity sensor, and the humidity sensor is electrically connected with a first controller 22. The inner side wall of the drying chamber 17 is uniformly provided with a plurality of ultraviolet lamps 18 which can kill bacteria and pests mixed in the grain raw materials. Be equipped with the moisture content detection appearance in the drying chamber 17, the drying chamber 17 outside is equipped with first controller 22, first controller 22 with moisture content detection appearance, first fan 10, first governing valve 9, auxiliary heater 8, ultraviolet lamp 18 and discharge gate 21 link to each other, and first controller 22 can automatic control first fan 10, first governing valve 9 and auxiliary heater 8 coordinated work.

Referring to fig. 1, in some embodiments, the impurity removing chamber 23 is located below the drying chamber 17 and can be connected to the discharge port 21. The trash chamber 23 is provided with a detachable multi-stage electric sieve, which is illustrated as a two-stage electric sieve in the embodiment, but the utility model is not limited thereto. The electric sieve has an upper sieve groove 24 and a lower sieve groove 25, and is located right below the discharge port 21. The inner wall upper portion of edulcoration room is equipped with baffle 33, and horizontal fixed plate 27 is installed to edulcoration room one side inner wall lower part, and horizontal pneumatic cylinder 28 is installed to opposite side inner wall lower part, and fixed plate 27 and baffle 33 have restricted the total route of screen groove up-and-down motion, are equipped with the dop on the hydraulic stem 29 of pneumatic cylinder 28, and screen groove 25 of subordinate is equipped with the draw-in groove 30 that uses with the extension board 26 that fixed plate 27 cooperation was used and used with the dop cooperation. When the hydraulic cylinder and the hydraulic rod drive the clamping heads to do reciprocating motion and the clamping heads are embedded into and separated from the clamping grooves, the two-stage electric sieve can vibrate up and down, so that grains or impurities are promoted to fall from the sieve meshes. The edge of the lower-level screen groove 25 is provided with a positioning hole, and the edge of the upper-level screen groove 24 is provided with a positioning pin matched with the positioning hole. The screen hole is rhombus or regular hexagon, and higher level's screen groove screen cloth aperture is 1.2 ~ 1.8 times of dry grain particle diameter, and subordinate's screen groove screen cloth aperture is less than dry grain particle diameter, and portable the dismantling of electric sieve bottom sieve 32. The front end face of the impurity removing chamber 23 is provided with a grain outlet, a transparent cover plate is movably arranged on the outlet, and the sieving condition can be observed.

In some embodiments, the operation principle of the automatic tracking type solar grain drying system with impurity removal function of the utility model is as follows:

when the system operates, air enters from the air inlet pipe 2 of the solar heat collection device through the induced draft fan 12 and the second regulating valve 11, is heated by the solar heat collection device 1, then passes through the air outlet pipe 3 and the auxiliary heater 8 (the air is opened when light is insufficient), is sent to the air inlet 15 of the drying chamber 17 through the air duct 14 by the first regulating valve 9 and the first fan 10, enters from the feed inlet 16 of the drying chamber, generates temperature difference and humidity difference with hot air entering from the air inlet 15, promotes the evaporation of water of grain crops, and accordingly achieves a drying effect. Meanwhile, the grains are irradiated by the ultraviolet lamp 18 in an open state in the descending process, so that the drying and deinsectization effects are achieved. The first controller 22 can control the hot air inlet amount by adjusting the rotating speeds of the first adjusting valve 9 and the first fan 10 outside the air outlet pipe according to the temperature and humidity conditions in the drying chamber, and can control the hot air temperature by controlling the auxiliary heater 8 to work. When the humidity sensor of the air pump 20 detects that the humidity of the exhaust gas is lower than the drying standard, the first controller 22 turns off the related equipment to stop the drying operation. After the grain crops are dried and deinsectized in the drying chamber 17, the grain crops enter the impurity removing chamber 23 by opening the discharging cover at the discharging port 21, the hydraulic cylinder 28 drives the upper and lower sieve grooves of the electric sieve to vibrate to separate the grains from the impurities, the working time of the electric sieve is controlled by the second controller 31, and the grains and the impurities can be taken out from the grain discharging port after the impurities are removed.

In summary, the automatic tracking type solar grain drying system with the impurity removal function has the following advantages: the scheme is provided with a solar heat collecting device, a drying device and an impurity removing device, and firstly, wind for drying grains is heated by the solar heat collecting device to reduce energy consumption; meanwhile, the solar heat collector is controlled to turn over in real time along with the position of the sun through the turning mechanism so as to exert the highest conversion efficiency; the auxiliary heater is used for supplementing auxiliary heating when the sunlight is insufficient; the drying device can dry the grains and sterilize and deinsectize the grains through the ultraviolet lamp at the same time; the impurity removal device removes impurities from grains through the multistage sieve groove, and controls the solar heat collection device, the drying device and the impurity removal device to work coordinately through the first controller and the second controller; therefore, the problems of high energy consumption, low efficiency, incapability of effectively killing pests and removing impurities and the like in the existing grain drying technology can be solved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an automatic tracking formula solar energy grain drying system with edulcoration function which characterized in that includes:

a solar thermal collection device, comprising:

a plurality of solar collectors to heat the introduced wind; and

the air outlet pipe is communicated with the solar heat collectors and used for guiding out heated air through the air duct;

a drying apparatus, comprising:

the drying chamber is communicated with the air duct through an air inlet; and

a plurality of ultraviolet lamps disposed on an inner wall of the drying chamber;

the heated air enters the drying chamber from the air inlet, the grains entering the drying chamber from a feed inlet at the upper part of the drying chamber are dried, and the ultraviolet lamps are used for sterilizing and deinsectizing the grains in the drying chamber;

edulcoration device, it includes:

the impurity removing chamber is arranged below the drying chamber and is communicated with the drying chamber through a discharge hole arranged at the lower part of the drying chamber; and

the multi-stage electric sieve is arranged in the impurity removing chamber and is positioned below the discharge port, and the multi-stage electric sieve comprises an upper-stage sieve groove and a lower-stage sieve groove which are vertically superposed;

wherein higher level sieve groove and the sieve groove of subordinate are used for screening the impurity in the grain.

2. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 1, wherein the solar heat collection device further comprises:

an air inlet pipe which is communicated with the plurality of solar heat collectors;

a plurality of connecting ducts which are communicated between the plurality of solar heat collectors and the air inlet pipe and the air outlet pipe; and

and the turnover mechanism is connected with the solar heat collectors and controls the solar heat collectors to overturn in real time along with the position of the sun.

3. The automatic tracking type solar grain drying system with impurity removing function as claimed in claim 2, wherein the turnover mechanism comprises a belt, a belt wheel, a servo motor and a control module, the control module controls the servo motor to drive the plurality of solar collectors to turn over through the belt and the belt wheel according to the position of the sun.

4. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 2, wherein the solar heat collection device further comprises:

the first fan is arranged on the air duct and is positioned between the air inlet and the air outlet pipe;

the first regulating valve is arranged on the air duct and is used for regulating the air quantity in the air duct;

the auxiliary heater is arranged on the air duct and is positioned between the first fan and the air outlet pipe, and the auxiliary heater is used for carrying out auxiliary heating on the air in the air duct when the plurality of solar heat collectors are insufficiently heated;

the induced draft fan is communicated with the air inlet pipe and is used for inducing air into the air inlet pipe;

the second regulating valve is arranged between the induced draft fan and the air inlet pipe; and

a support to support the solar thermal collection device.

5. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 1, wherein the impurity removal device further comprises:

the transverse fixing plate is arranged at the lower part of the inner wall of one side of the impurity removing chamber and is positioned below one end of the lower-stage screen groove;

the extension plate is arranged at one end of the lower screen groove, and the extension plate is erected on the transverse fixing plate and is matched with the transverse fixing plate for use;

a clamping groove arranged at the other end of the lower stage screen groove;

the hydraulic cylinder is arranged at the lower part of the inner wall at the other side of the impurity removing chamber and is positioned below the other end of the lower-level screen groove, a clamping head is arranged on a hydraulic rod of the hydraulic cylinder, which faces one end of the lower-level screen groove, and when the clamping head reciprocates along with the hydraulic rod, the clamping head is embedded into or separated from the clamping groove and can drive the multistage electric screen to vibrate up and down; and

the baffle is arranged at the upper part of the inner wall of the impurity removing chamber and is positioned above two ends of the upper-level sieve groove;

wherein the baffle and the transverse fixing plate are used for limiting the moving path of the multistage electric screen up and down.

6. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 4, further comprising:

a temperature and humidity detector disposed inside the drying chamber;

an air outlet arranged at the lower part of the drying chamber;

the air pump is arranged at the air outlet;

the humidity sensor is electrically connected with the air suction pump; and

the first controller is electrically connected with the temperature and humidity detector, the first fan, the first adjusting valve, the auxiliary heater, the ultraviolet lamps and the discharge port, and can automatically control the first fan, the first adjusting valve and the auxiliary heater to work in a coordinated mode.

7. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 6, further comprising:

the feeding valve is arranged at the feeding hole and used for sealing the feeding hole; and

and the grain leakage-proof filter screen is arranged on the air outlet.

8. The automatic tracking solar grain drying system with impurity removal function as claimed in claim 1, further comprising:

the bottom sieve plate is detachably arranged at the bottom of the impurity removing chamber; and

and the transparent cover plate is detachably arranged at the grain outlet of the impurity removing chamber.

9. The automatic tracking type solar grain drying system with impurity removal function as claimed in claim 1, wherein the upper stage sieve tank and the lower stage sieve tank are detachable sieve tanks, the aperture of the sieve mesh of the upper stage sieve tank is 1.2-1.8 times of the grain size, and the aperture of the sieve mesh of the lower stage sieve tank is smaller than the grain size.

10. The automatic tracking solar grain drying system with impurity removing function as claimed in claim 9, wherein the shape of the screen holes is regular hexagon or diamond.

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