CN219108241U - Air conditioning unit special for granary - Google Patents
Air conditioning unit special for granary Download PDFInfo
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- CN219108241U CN219108241U CN202222083411.4U CN202222083411U CN219108241U CN 219108241 U CN219108241 U CN 219108241U CN 202222083411 U CN202222083411 U CN 202222083411U CN 219108241 U CN219108241 U CN 219108241U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The utility model discloses a special air conditioning unit for a granary, which comprises an air conditioning host and a pipeline system, wherein the air conditioning host adopts an anti-corrosion evaporator and a sealing motor. The air conditioning unit special for the granary disclosed by the utility model can be used in the grain fumigation period by adopting an anti-corrosion structure, and three working modes of grain surface temperature control, grain stack internal temperature control and granary wall surface temperature control are realized by arranging the pipeline system.
Description
Technical Field
The utility model relates to a granary air conditioning unit, and belongs to the technical field of grain storage.
Background
The low-temperature grain storage refers to the grain storage technology that the average temperature of grain piles is kept at 15 ℃ (low temperature) or 20 ℃ (quasi-low temperature) or below for a long time, and the low-temperature grain storage is the safest, reliable, reasonable and accordant with the development direction of green reserves currently recognized worldwide, is the most important mode for ensuring the safe storage and quality preservation of grains, and is the green ecological reserve technology with the most development prospect. The low temperature can effectively inhibit the propagation of pests and microorganisms in grains, especially grains, and prevent the aging of grains, and is recognized as one of the best modes for storing grains in the 21 st century. At present, in the existing grain depot adopting low-temperature grain storage in China, a split air conditioner is mostly adopted for cabin temperature control. Because the split air conditioner is not designed, manufactured and installed in consideration of the use characteristics of the granary, the phosphine gas of the granary during fumigation is extremely easy to cause serious corrosion to the copper heat exchanger and the circuit part, so that the split air conditioner cannot be used during fumigation of the granary. Even some grain low-temperature storage air conditioner all-in-one machines sold in the market at present cannot be used in fumigation due to the corrosion prevention problem. For example, chinese patent: energy-saving air conditioner special for granary, application number: 202011401251.2 the granary air conditioner has no anticorrosion structure to the main components of the equipment, no frequency conversion and energy saving functions and no humidifying function. Chinese patent: special air conditioning device of frequency conversion constant temperature and humidity granary, application number: the special air conditioner for the granary disclosed in 202020256623.6 does not carry out corrosion prevention design on the main part of the equipment, has no low temperature function, has no functions of air quantity and air pressure adjustment and the like.
In addition, as the original moisture of the grain is large, microorganisms in the grain can be greatly propagated under the condition of proper temperature, so that the interior of the grain generates heat, the temperature is increased, and the interior of the grain pile is usually required to be cooled in order to ensure the storage quality of the grain. The split air conditioner in the prior art can only cool the space above the grain stacking line due to the structural limitation, and cannot cool the inside of the grain stacking, so that the split air conditioner has certain limitation. In addition, the method comprises the following steps. The commercial air conditioner integrated machine has limited equipment power, the air supply distance is usually 5-12m, the spanning distance of the granary in China is generally 21-30 m or more, even if more existing integrated machines are installed, the condition of fully exchanging cold and hot air in the granary cannot be met, the whole granary cannot be cooled, and the grain damage caused by grain accumulated heat is easy to cause.
Disclosure of Invention
In order to solve the problems that in the prior art, the air conditioner for the grain bin cannot realize the cooling inside the grain pile, the full exchange of cold and hot air in the grain bin and the corrosion prevention of the air conditioner, the utility model provides an air conditioning unit for the grain bin; the air quantity and the air pressure of the air conditioner are controlled by modifying the fan to increase the air supply distance so as to fully exchange cold air and hot air in the granary, the ventilation pipe is used for ventilating the granary wall, the cooling of the interior of the grain pile is realized by supplying air to the ground tank and the ground cage, and the corrosion resistance of the air conditioner is enhanced by using the closed structure made of corrosion resistant materials and the evaporator and the fan, so that the air conditioner can be normally used during fumigation.
In order to solve the problems, the technical scheme provided by the utility model is as follows:
an air conditioning unit special for a granary comprises an air conditioning host and a pipeline system, wherein,
the air conditioner main unit includes:
the outer shell of the shell is provided with a plurality of grooves,
a controller arranged in the shell and used for controlling the operation of the air conditioning unit special for the granary,
an evaporator disposed within the housing and electrically connected to the controller,
a fan arranged inside the shell and electrically connected with the controller,
a main machine air return opening arranged on the shell and used for sucking air in the granary, and
a main machine air outlet arranged on the shell and used for sending cold air out of the air conditioner main machine;
the pipe system includes:
a return air box for connecting the return air inlet of the host machine with the internal space of the granary,
the air outlet box comprises an air inlet used for being connected with an air outlet of the main machine, a first air outlet used for cooling air above the grain pile of the grain bin, a second air outlet used for cooling the interior of the grain pile, a reversing device used for adjusting air outlet amounts of the first air outlet and the second air outlet, and
and the wall ventilation pipeline is arranged in the granary and used for connecting the second air outlet and the granary geosyncline or the ground cage.
Further, the outer shell is fixedly arranged on the outer wall of the granary.
Further, the evaporator is a corrosion-resistant evaporator.
Further, the evaporator is made of aluminum alloy.
Further, the fan is made of anti-corrosion materials.
Further, the fan is a fan with two air volumes and adjustable air pressure.
Further, a pull-out filter screen is further arranged on the air return box.
Further, the filter screen is a P10 level filter screen.
Further, the wall ventilation pipeline is arranged along the inner wall surface of the granary.
The utility model provides a special air conditioning unit for a granary, which has two-gear air quantity and air pressure special anti-corrosion full-closed fans, can simultaneously meet the cooling requirements of various granaries, has three working modes of grain surface temperature control, whole granary grain stack cooling and wall ventilation, automatically adjusts the air quantity according to the temperature and the humidity in the granary in real time, realizes automatic switching of high and low air supply, and is convenient and intelligent. The utility model is specially used for cooling the granary, can effectively prevent phosphine fumigation corrosion, can be used in the whole granary fumigation period, has simple installation and long service life, and can effectively replace household air conditioner and traditional grain cooling and application in granary of granary. And can realize various intelligent and convenient grain storage functions of the granary, and is a green grain storage device which is optimized by the granary.
Drawings
FIG. 1 is a schematic diagram of the working structure of an air conditioning unit special for a granary according to the present utility model;
FIG. 2a is a front view of the air conditioner host according to the present utility model;
FIG. 2b is a side view of the air conditioner host according to the present utility model;
fig. 2c is a rear view of the appearance of the air conditioner host according to the present utility model.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, the air conditioning unit special for the granary mainly comprises an air conditioning host 1 and a pipeline system.
As shown in fig. 1, 2a,2b, and 2c, the air conditioner main unit 1 includes: the device comprises a shell 12, a controller 13, an evaporator 2, a fan 3, an air return opening 14 and an air outlet 15.
As can be seen from fig. 2a,2b and 2c, the casing 12 is generally rectangular, and the controller 13, the evaporator 2 and the fan 3 are all disposed in the casing 12, and the controller 13 is used for controlling the operation of the compressor and the condenser, and other components in the air conditioning main unit and the pipeline system, which are matched with the dedicated air conditioning unit. The controller and the components it controls, for example: the evaporator 2 and the fan 3 are electrically connected. The air return opening 14 and the air outlet opening 15 are both arranged on the casing 12, preferably, the two are positioned on the same side of the casing 2 and are spaced by a set distance. Of course, the shape of the casing 12 and the relative positions of the return air inlet 14 and the air outlet 15 on the casing 12 can be changed according to the external wall structure of the granary, but a certain distance between the return air inlet 14 and the air outlet 15 is ensured to ensure the refrigerating effect.
In order to avoid damage to the air conditioner host 1 during grain fumigation, the evaporator 2 used in the utility model is a special aluminum alloy evaporator, the fan 3 is a special anti-corrosion full-closed fan, and an aluminum winding is adopted; preferably, the fan 3 is capable of providing two levels of air and wind pressure (the air and wind pressure can be customized). For example: i grade: 4500 m Mei/h (1000 Pa), II grade: 3000 m.mu.m.m.w/h (200 Pa).
As shown in fig. 1, 2a,2b and 2c, the piping system includes: an outlet air box 7, a return air box 10 and a wall ventilation pipeline 5. The air outlet box 7 comprises a first air outlet 7a, a second air outlet 7b and a reversing device 8 for adjusting the air quantity of the first air outlet 7a and the second air outlet 7b. The first air outlet 7a is used for connecting the main machine air outlet 14 and the internal space of the granary. The second air outlet 7b is used for connecting the main machine air outlet 14 and the wall ventilating duct 5. One end of the ventilation pipeline 5 is connected with the second air outlet 7b, and the other end is connected with the granary pit or the ground cage 6. The granary geosyncline or the ground cage 6 is arranged at the bottom of the granary or the upper part of the ground, and the upper surface of the granary geosyncline or the ground cage is provided with a plurality of ventilation holes communicated with the interior of the granary, and the sizes of the ventilation holes are preferably consistent. The air return box 10 is used for connecting the host machine air return opening 15 and the internal space of the granary, and in order to prevent grains or dust from entering the air conditioner host machine 1 along with air flow, a pull type filter screen 9 is also arranged on the air return box 10, and preferably, the pull type filter screen 9 is a P10 level filter screen.
As shown in fig. 1, when the air conditioning unit special for the granary of the utility model controls the temperature of the grain storage surface 16, a worker adjusts the reversing device 8 to completely open the first air outlet 7a and completely close the second air outlet 7b. The air conditioner main unit 1 is started, air in the granary is filtered through the drawing type filter screen 9 and then enters the air conditioner main unit 1 through the air return box 10, the temperature is reduced to 2-5 ℃ after absorbing heat through the evaporator 2, preferably 3 ℃, the air is pressurized and accelerated through the fan 3 and then is blown into the space above the grain storage surface 16 through the first air outlet 7a of the air outlet box 7, and preferably, the air outlet distance of the first air outlet 7a is 24-30 m. And (3) reciprocating circulation until the air above the grain storage surface 16 in the granary reaches the set temperature, and cooling the upper space of the grain pile 17.
When the air conditioning unit special for the granary is used for cooling the interior of the grain pile 17, a worker adjusts the reversing device 8 to enable the second air outlet 7b to be completely opened and enable the first air outlet 7a to be completely closed. The air conditioning host 1 is started, air in the granary reaches the air return box 10 after being filtered by the drawing type filter screen 9 and enters the air conditioning host, the temperature is reduced to 2-5 ℃ after absorbing heat by the evaporator 2, preferably 3 ℃, the air enters the ground tank or the ground cage 6 through the second air outlet 7b of the air outlet box 7 and the wall ventilating duct 5 after being pressurized and accelerated by the fan 3, and cold air is blown into the grain pile 17 through the vent holes on the ground tank or the ground cage 6, so that the internal heat exchange of the grain pile 17 is realized.
When the air conditioning unit special for the granary is used for cooling the granary wall surface, a worker adjusts the reversing device 8 to enable the first air outlet 7a to be completely opened and the second air outlet 7b to be completely closed, and the first air outlet 7a is connected to an original wall surface ventilation pipe (not shown in the figure) of the granary through a flexible pipe. The air conditioner host 1 is started, air in the granary is filtered through the pull type filter screen 9 and then enters the air conditioner host 1 through the air return box 10, the temperature is reduced to 2-5 ℃ after absorbing heat through the evaporator 2, preferably 3 ℃, then the air is pressurized and accelerated through the fan 3, and is blown into the original wall ventilation pipe of the granary through the first air outlet 7a of the air outlet box 7, and cold air is blown into the position where the grain pile 17 is contacted with the wall through a plurality of ventilation holes on the original wall ventilation pipe, so that ventilation and heat exchange of the wall are realized.
The evaporator of the air conditioning unit special for the granary is made of aluminum alloy materials, for example: the fan adopts a special anti-corrosion fully-closed motor and aluminum winding, a control circuit in the controller, a circuit board and a circuit between the evaporator are fixedly sealed, the temperature sensor is made of anti-corrosion 304 stainless steel, the corrosion problem can be effectively solved, the equipment can be started in the whole fumigation period, the service efficiency of an air conditioning unit is improved, and the service life of the air conditioner is prolonged.
The special air conditioning unit for the granary controls the air quantity and the air pressure by controlling the power of the special anti-corrosion fully-closed fan and arranging the air outlet box and the air return box at the air outlet of the main machine and the air return opening of the main machine, so that the air outlet distance can reach 30m at the most and the air outlet temperature can reach 3 ℃ at the lowest; and meanwhile, environmental parameter setting is provided, high-grade and low-grade air supply is automatically adjusted based on the environmental parameters, and an intelligent energy-saving effect is realized.
The air conditioning unit special for the granary adopts a unique air outlet opening and closing device and a unique pipeline ventilation low-temperature technology to realize three working modes; when the first air outlet is opened, the temperature of the grain surface can be controlled; when the second air outlet is opened, air is supplied to the granary pit or the ground cage ventilation opening through the ventilation pipeline, so that the whole grain stack can be ventilated and cooled, and the air in the granary can be circulated to achieve the effects of temperature control and energy conservation; if the channel pipeline supplies air to the original wall ventilating pipe, the temperature of the granary wall surface can be controlled, and meanwhile, the energy-saving effect can be achieved through the internal circulation of the pipeline.
The special air conditioning unit for the granary can be produced into a split type or an integrated type, and the size of the wall ventilating duct and the like can be adjusted according to the actual conditions of the granary by adjusting the size of the main engine power air outlet box and the air return box so as to meet the requirements of different granaries on refrigerating capacity, air supply distance, installation modes and the like.
The air conditioner unit special for the granary can customize the outlet and return positions, can be arranged up and down and can also be arranged left and right, and the requirements of different installation modes are met.
The air conditioner unit special for the granary can customize the outlet and return air shapes, and meets the requirements of different installation modes.
The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. An air conditioning unit special for a granary comprises an air conditioning host and a pipeline system, and is characterized in that,
the air conditioner main unit includes:
the outer shell of the shell is provided with a plurality of grooves,
a controller arranged in the shell and used for controlling the operation of the air conditioning unit special for the granary,
an evaporator disposed within the housing and electrically connected to the controller,
a fan arranged inside the shell and electrically connected with the controller,
a main machine air return opening arranged on the shell and used for sucking air in the granary, and
a main machine air outlet arranged on the shell and used for sending cold air out of the air conditioner main machine;
the pipe system includes:
a return air box for connecting the return air inlet of the host machine with the internal space of the granary,
the air outlet box comprises an air inlet connected with the air outlet of the main machine, a first air outlet for cooling air above the grain pile of the granary, a second air outlet for cooling the interior of the grain pile, a reversing device for adjusting the air output of the first air outlet and the second air outlet, and
and the wall ventilation pipeline is arranged in the granary and used for connecting the second air outlet and the granary geosyncline or the ground cage.
2. The air conditioning unit dedicated for a granary of claim 1, wherein the housing is fixedly disposed on an exterior wall of the granary.
3. The air conditioning unit for a grain bin of claim 1, wherein the evaporator is a corrosion resistant evaporator.
4. The air conditioning unit dedicated for granary of claim 1, wherein the evaporator is made of aluminum alloy.
5. The air conditioning unit special for the granary of claim 1, wherein the fan is made of an anti-corrosion material.
6. The air conditioning unit special for the granary of claim 1, wherein the fan is a fan with two-gear air quantity and adjustable air pressure.
7. The air conditioning unit special for the granary of claim 1, wherein a pull type filter screen is further arranged on the air return box.
8. The air conditioning unit dedicated for granary of claim 7, wherein the filter screen is a P10 class filter screen.
9. The air conditioning unit dedicated for a grain bin according to claim 1, wherein the wall ventilation duct is provided along an inner wall surface of the grain bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222083411.4U CN219108241U (en) | 2022-08-09 | 2022-08-09 | Air conditioning unit special for granary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222083411.4U CN219108241U (en) | 2022-08-09 | 2022-08-09 | Air conditioning unit special for granary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219108241U true CN219108241U (en) | 2023-06-02 |
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ID=86528021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222083411.4U Active CN219108241U (en) | 2022-08-09 | 2022-08-09 | Air conditioning unit special for granary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219108241U (en) |
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2022
- 2022-08-09 CN CN202222083411.4U patent/CN219108241U/en active Active
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