CN212378379U

CN212378379U - Heat source device of grain air drying bin

Info

Publication number: CN212378379U
Application number: CN202020603833.8U
Authority: CN
Inventors: 董伟鹏
Original assignee: Henan Lianghai Agricultural Development Co Ltd
Current assignee: Henan Lianghai Agricultural Development Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-19
Anticipated expiration: 2030-04-21

Abstract

The utility model belongs to the technical field of the technique and specifically relates to a cereal is stored and specifically relates to a cereal air-dries storehouse heat source device is disclosed, including air-drying the storehouse, there is the condenser through the fix with screw on the air-drying storehouse, there is the air-blower through the fix with screw on the condenser lateral wall, there is the compressor condenser one end through the pipe connection, the compressor has vapour and liquid separator through the pipe connection, vapour and liquid separator has the evaporimeter through the pipe connection, the condenser other end has the liquid storage pot through the pipe connection, the liquid storage pot has the expansion valve through the pipe. Has the advantages that: the air energy can be fully utilized for heating, and then the heat energy is utilized in the grain drying process, so that the grain drying speed can be accelerated; air intake quantity when the in-process of drying can be according to the hot-blast circulation of temperature adjustment to guarantee that snakelike ventilation pipe is whole all can generate heat, be difficult to appear snakelike ventilation pipe and only the phenomenon that the air inlet end generates heat, guarantee that grain can be abundant, quick stoving.

Description

Heat source device of grain air drying bin

Technical Field

The utility model belongs to the technical field of the grain storage technique and specifically relates to a cereal air-dries storehouse heat source device is related to.

Background

At the beginning of grain harvest, the water content is high, the grain is difficult to store, and the grain can be stored only after being dried to reach the safe water content. Taking the corn which is produced in the north as an example, the moisture content of the corn is below 18 percent, the moisture content of the cooked corn cobs is above 30 percent, and the moisture content of the corn cobs is still above 25 percent after the corn cobs are stacked in a stack for one month. To reach the storage index, the materials need to be stored in a thin and high cylinder cage for 2-3 months or dried by a drying tower. The former needs a larger place, the latter needs to consume coal and power, the cost is higher, and the drying quality is difficult to guarantee. Therefore, farmers mostly thresh in a centralized way after autumn and sell the threshed grains in a centralized way so as to reduce the storage cost. However, the shortage of the storage capacity of the grain depot is aggravated, the pressure of grain storage enterprises is increased, the selling price of the grain is easily reduced, and the benefits of farmers are hurt. Therefore, a facility capable of drying and storing grain is needed to realize that grain can be purchased when being wet, drying is realized in the storage process, grain can be collected all the year round, the pressure that the grain depot is insufficient due to the fact that the grain is sold in a centralized manner by farmers is avoided, and the air drying warehouse is called as equipment capable of storing and air drying grain. The grain drying is carried out through natural wind mostly in current air-dry storehouse, and natural wind speed is slow, receives the influence of weather moreover.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cereal air-dries storehouse heat source device for solving above-mentioned problem.

The technical scheme of the utility model is realized like this:

a heat source device of a grain air drying bin comprises an air drying bin, wherein a condenser is fixed on the air drying bin through screws, an air blower is fixed on the side wall of the condenser through screws, one end of the condenser is connected with a compressor through a pipeline, the compressor is connected with a vapor-liquid separator through a pipeline, the vapor-liquid separator is connected with an evaporator through a pipeline, the other end of the condenser is connected with a liquid storage tank through a pipeline, the liquid storage tank is connected with an expansion valve through a pipeline, the expansion valve is connected to the evaporator through a pipeline, a filter is fixed on the pipeline between the liquid storage tank and the expansion valve, the air blower and the compressor are electrically connected with a controller, an air collecting hopper is welded on the side wall of the condenser and is connected with a second heat insulation pipe and a first heat insulation pipe through a tee joint, and a snake-shaped ventilation pipe is connected, miniature air holes are formed in the snake-shaped ventilation pipe.

Furthermore, the evaporator is fixed on the outer wall of the air drying bin through screws, and a heat insulation plate is fixed on the outer wall of the evaporator, wherein the air drying bin is provided with the evaporator.

Further, the expansion valve is connected with the vapor-liquid separator through a liquid guide pipe.

Furthermore, the aperture of the miniature air holes is not more than one millimeter, the miniature air holes are distributed on the snake-shaped ventilation pipe at equal intervals, and the snake-shaped ventilation pipe is made of heat exchange pipes with good heat conductivity.

Furthermore, an electromagnetic control valve is fixed on the second heat preservation pipe through a pipe hoop and is electrically connected with the controller.

Furthermore, a temperature sensor is fixed on the first heat preservation pipe through a hoop, a probe of the temperature sensor extends into the first heat preservation pipe, and the temperature sensor is electrically connected with the controller.

Furthermore, an automatic pressure release valve is fixed on the snake-shaped ventilation pipe through a pipe hoop.

By adopting the technical scheme, the beneficial effects of the utility model are that: the air energy can be fully utilized for heating, and then the heat energy is utilized in the grain drying process, so that the grain drying speed can be accelerated; air intake quantity when the in-process of drying can be according to the hot-blast circulation of temperature adjustment to guarantee that snakelike ventilation pipe is whole all can generate heat, be difficult to appear snakelike ventilation pipe and only the phenomenon that the air inlet end generates heat, guarantee that grain can be abundant, quick stoving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a simplified structural diagram of the condenser of the present invention;

fig. 3 is a block diagram of the circuit structure of the present invention.

The reference numerals are explained below:

1. air drying the storehouse; 2. a second insulating tube; 3. a blower; 4. a liquid storage tank; 5. a filter; 6. an expansion valve; 7. an evaporator; 8. a heat insulation plate; 9. a vapor-liquid separator; 10. a controller; 11. a compressor; 12. a first heat-insulating tube; 13. a temperature sensor; 14. a condenser; 15. a serpentine shaped vent tube; 16. micro air holes; 17. an electromagnetic control valve; 18. a wind gathering hopper; 19. and (4) automatic pressure relief valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a heat source device of a grain air drying bin comprises an air drying bin 1, wherein a condenser 14 is fixed on the air drying bin 1 through screws, a vapor-state refrigerant can continuously emit heat in the process of changing into a liquid state in the condenser 14, an air blower 3 is fixed on the side wall of the condenser 14 through screws, wind can be generated to take away the heat generated by the condenser 14, one end of the condenser 14 is connected with a compressor 11 through a pipeline, the compressor 11 is connected with a vapor-liquid separator 9 through a pipeline, the vapor-liquid separator 9 is connected with an evaporator 7 through a pipeline, the other end of the condenser 14 is connected with a liquid storage tank 4 through a pipeline, the liquid storage tank 4 is connected with an expansion valve 6 through a pipeline, the expansion valve 6 is connected to the evaporator 7 through a pipeline, the evaporator 7 absorbs external heat to release cold air, thereby completing a heat, air-blower 3, compressor 11 electricity is connected with controller 10, the model of controller 10 is DKC-Y110, the welding has on the 14 lateral walls of condenser gathers wind fill 18, it has second insulating tube 2 and first insulating tube 12 to gather wind fill 18 through the three way connection, be connected with snakelike ventilation pipe 15 through the ferrule between first insulating tube 12 and the second insulating tube 2, snakelike ventilation pipe 15 can be laid and air-dry 1 bottoms in storehouse, inside wall or inner chamber middle part, it is convenient to dry grain, the shaping has miniature bleeder vent 16 on the snakelike ventilation pipe 15, make things convenient for high-temperature gas to discharge and dry grain.

In this embodiment, evaporimeter 7 passes through the fix with screw on air-drying 1 outer wall, is fixed with heat insulating board 8 on air-drying 1 outer wall of installing evaporimeter 7 in the storehouse, and heat insulating board 8 can obstruct the air conditioning that evaporimeter 7 gived off, avoids air conditioning to reduce the temperature in air-drying 1.

In the embodiment, the expansion valve 6 is connected with the vapor-liquid separator 9 through the liquid guide pipe, when the pressure in the pipeline is overlarge, the refrigerant can directly enter the vapor-liquid separator 9 without passing through the evaporator 7, and the damage caused by the overlarge pressure in the pipeline is avoided.

In this embodiment, the aperture of miniature bleeder vent 16 is no more than a millimeter, and miniature bleeder vent 16 equidistant distribution is on snakelike ventilation pipe 15, and snakelike ventilation pipe 15 adopts the heat exchange tube that the heat conductivity is good to make, and the heat both can get into inside the grain along with wind, can realize thermal make full use of through snakelike ventilation pipe 15's pipe wall transmission heat again.

In this embodiment, an electromagnetic control valve 17 is fixed on the second insulating pipe 2 through a pipe hoop, the electromagnetic control valve 17 is electrically connected with the controller 10, and the electromagnetic control valve 17 can control whether wind can enter the serpentine ventilation pipe 15 from the second insulating pipe 2.

In this embodiment, be fixed with temperature-sensing ware 13 through the hoop on first heat preservation pipe 12, temperature-sensing ware 13's model is PT100, and inside temperature-sensing ware 13's probe stretched into first heat preservation pipe 12, temperature-sensing ware 13 was connected with controller 10 electricity, and temperature-sensing ware 13 can detect the inside temperature height of first heat preservation pipe 12.

In this embodiment, the serpentine ventilation pipe 15 is fixed with an automatic pressure release valve 19 through a pipe clamp, and can be automatically opened to release pressure when the pressure in the pipeline is too high.

The utility model discloses a theory of operation does: when the air conditioner is used, a power supply is connected, the compressor 11 is started through the controller 10, low-temperature and low-pressure refrigerant liquid flowing out of the liquid storage tank 4 continuously absorbs heat to the outside through the evaporator 7 and is evaporated into low-temperature and low-pressure refrigerant gas, the low-temperature and low-pressure refrigerant gas is compressed into high-temperature and high-pressure gas by the compressor 11, the high-temperature and high-pressure refrigerant gas flowing out of the compressor 11 continuously releases heat to the outside through the condenser 14 and is condensed into medium-temperature and high-pressure refrigerant liquid, the medium-temperature and high-pressure refrigerant liquid flowing out of the condenser 14 flows back into the liquid storage tank 4 again, heat dissipated outwards by the condenser 14 is driven by wind generated by the blower 3 to enter the snake-shaped ventilation pipe 15 through the first heat preservation pipe 12 and the second heat preservation pipe 2, then hot wind is ejected out of the micro air holes 16 and is sprayed into grains to dry the grains, and, when the temperature of wind is not more than forty degrees centigrade, the controller 10 controls the electromagnetic control valve 17 to be opened, wind can enter the inside of the serpentine ventilation pipe 15 from the first heat preservation pipe 12 and the second heat preservation pipe 2, when the temperature of wind is more than forty degrees centigrade, the controller 10 automatically controls the electromagnetic control valve 17 to be closed, wind only enters the inside of the serpentine ventilation pipe 15 from the first heat preservation pipe 12, thereby ensuring that the whole pipe of the serpentine ventilation pipe 15 can emit heat to dry grains, and when the pressure in the serpentine ventilation pipe 15 is overlarge, high-pressure gas is automatically discharged from the automatic pressure relief valve 19.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cereal air-dries storehouse heat source device which characterized in that: including air-drying storehouse (1), there are condenser (14) on air-drying storehouse (1) through the fix with screw, there are air-blower (3) through the fix with screw on condenser (14) lateral wall, there is compressor (11) condenser (14) one end through the pipe connection, compressor (11) have vapour and liquid separator (9) through the pipe connection, vapour and liquid separator (9) have evaporimeter (7) through the pipe connection, condenser (14) other end has liquid storage pot (4) through the pipe connection, liquid storage pot (4) have expansion valve (6) through the pipe connection, expansion valve (6) are connected to evaporimeter (7) through the pipe connection, be fixed with filter (5) on the pipeline between liquid storage pot (4) and expansion valve (6), air-blower (3), compressor (11) electricity is connected with controller (10), the welding has on condenser (14) lateral wall and gathers wind fill (18), gather wind fill (18) and have second insulating tube (2) and first insulating tube (12) through the tee junction, first insulating tube (12) with be connected with snakelike ventilation pipe (15) through the ferrule between second insulating tube (2), the shaping has miniature bleeder vent (16) on snakelike ventilation pipe (15).

2. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: the evaporator (7) is fixed on the outer wall of the air drying bin (1) through screws, and the heat insulation plate (8) is fixed on the outer wall of the evaporator (7) and installed on the air drying bin (1).

3. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: the expansion valve (6) is connected with the vapor-liquid separator (9) through a liquid guide pipe.

4. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: the aperture of the miniature air holes (16) is not more than one millimeter, the miniature air holes (16) are distributed on the serpentine ventilation pipe (15) at equal intervals, and the serpentine ventilation pipe (15) is made of heat exchange pipes with good heat conductivity.

5. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: an electromagnetic control valve (17) is fixed on the second heat preservation pipe (2) through a pipe hoop, and the electromagnetic control valve (17) is electrically connected with the controller (10).

6. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: a temperature sensor (13) is fixed on the first heat preservation pipe (12) through a hoop, a probe of the temperature sensor (13) extends into the first heat preservation pipe (12), and the temperature sensor (13) is electrically connected with the controller (10).

7. A grain seasoning bin heat source apparatus as claimed in claim 1 wherein: an automatic pressure release valve (19) is fixed on the snake-shaped ventilation pipe (15) through a pipe hoop.