CN114223409A - Tempering system utilizing air source heat pump and ultrasonic equipment - Google Patents
Tempering system utilizing air source heat pump and ultrasonic equipment Download PDFInfo
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- CN114223409A CN114223409A CN202111603460.XA CN202111603460A CN114223409A CN 114223409 A CN114223409 A CN 114223409A CN 202111603460 A CN202111603460 A CN 202111603460A CN 114223409 A CN114223409 A CN 114223409A
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- 238000005496 tempering Methods 0.000 title abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 14
- 230000003750 conditioning effect Effects 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 11
- 238000000889 atomisation Methods 0.000 claims description 10
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
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- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
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- 238000001704 evaporation Methods 0.000 description 2
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- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/14—Containers specially adapted for storing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
- A01F25/22—Ventilating arrangements
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Air Humidification (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
A tempering system utilizing an air source heat pump and ultrasonic equipment. The invention discloses a humidification tempering system for improving grain quality before grain delivery, which utilizes a water purifier and a grid air port to improve the quality of humidification tempering water vapor; the combination of an air source heat pump system and an ultrasonic atomizer is utilized, and according to the data of a grain condition monitoring system, the air inlet temperature is slightly higher than the initial temperature of a grain pile, so that the grain pile is not influenced by seasons and weather conditions, and effective humidification and tempering are performed on grains; the ventilation mode is improved, the ventilation modes of up-down combination, static-dynamic combination, selective humidification and partition treatment are adopted, the precision is high, the moisture amplification of grains is controlled, the moisture gradient of a grain pile is reduced, and the problems of uneven moisture distribution and large moisture gradient in grains are solved; the shelf life of the grains is not shortened, the process quality and the processing performance of the stored grains are improved, the breakage in the circulation process is reduced, and the economic benefit of storage enterprises is improved.
Description
Technical Field
The invention belongs to the field of grain and oil storage, and particularly relates to a conditioning system utilizing an air source heat pump and ultrasonic equipment.
Background
In all links of grain circulation, grain storage is the most central, and effective means and measures are adopted, so that the quality of food is not changed to the greatest extent, damage is reduced, and cost is saved. The mechanical ventilation has the characteristics of obvious cooling and precipitation effects, low cost and the like in the grain ventilation storage, and plays a vital role in ensuring the grain storage safety. But the water loss in the grain storage process is greatly improved while the low-temperature drying air exchange cooling is carried out for a long time. Especially in the areas with high early and middle rice, the moisture of the dried grains can be reduced to a lower level after ventilation. According to the survey: after the paddy is stored for 2-3 years, the water content is generally reduced to be below 12 percent, and the loss rate is up to 1-2 percent; the broken rice is increased during processing, and the rice yield is reduced by more than 2%. When the wheat is alternately taken out of the warehouse, the average moisture is usually reduced to 11.0-11.5 percent, and the moisture reduction amplitude reaches 1.0-1.5 percent; on one hand, the reduction of the moisture leads to the reduction of the weight of the grain discharged from the warehouse and even the excessive consumption, and brings economic loss to the warehousing enterprises; on the other hand, the grain has low water content, which causes the appearance quality, the eating quality and the processing quality of the grain to be reduced, and the over-dried grain loses the inherent color, fragrance and taste, so that the cooking quality is reduced, the taste is poor and the grain is not fresh. Therefore, the low-moisture grain is scientifically humidified and tempered before the grain is delivered out of the warehouse, so that the moisture of the wheat delivered out of the warehouse reaches or is basically close to the specified safe moisture standard. Not only can reduce the weight loss caused by the reduction of water during the storage period, but also can improve the processing technology quality of the grain to a certain extent, thereby improving the economic benefit and the social benefit.
Currently, the way to humidify grains is generally 1) a mobile temperature-controlled humidifier; 2) directly spraying dry steam; 3) heating and evaporating: electric heating type, electrode type, steam generator; 4) infrared humidifying; 5) spray evaporation: high-pressure spray type, centrifugal type, ultrasonic type; 6) the wet film is of a humidifying type. Wherein, ultrasonic atomization is commonly used for humidifying and tempering the granary because of the advantages of small power consumption, clean humidification, good control performance, small and uniform fog particles and the like. The principle of ultrasonic atomization is that an integrated ultrasonic atomizer is arranged in a conditioner, under the action of a high-frequency electromagnetic source, water is cavitated into a fog shape and is sent into a vaporization box, the fog shape is mutually fused with air pumped out from a grain stack by a fan in the vaporization box, water molecules absorb air heat and are vaporized into wet air, the wet air is butted with a granary ventilation network system and is sent into the grain stack, the air humidity in the grain stack is increased, the water vapor pressure in pores of the grain stack is greater than the water vapor pressure in grains, pressure difference is formed, the grains are enabled to continuously absorb the water vapor, and the purpose of conditioning the grains is achieved.
However, the following problems are also encountered with the existing humidification tempering including the ultrasonic humidification tempering: 1) the ventilation mode is fixed, so that the humidification is uneven, the humidification amplitude of moisture has a large gradient, or the local highest moisture of the grain near a ventilation opening reaches above a safety line, so that the condensation is easily caused; 2) the ultrasonic atomizer has higher requirement on water quality, and low-water-quality water mist influences grains and air in a bin; 3) the time for adjusting and tempering the ventilation condition depends on the weather condition; 4) for the paddy with higher original water content, the humidifying and tempering effects are uncertain, and the safe storage of water content is easily broken through; 5) the air duct is dewed to easily cause grain damage.
Through the search of the prior art documents, the application of controlling the moisture of the stored grain in the granary is found, and the patents which are applied at present are as follows: (1) the patent "a method for storing grain in wet environment by circulating fluid" (patent application number: CN202010922715.8) discloses a method for storing grain in wet environment by circulating fluid; (2) the patent "an internal circulation temperature control system with water retention and temperature reduction functions" (patent number: CN202021549095.X) discloses an internal circulation temperature control system with water retention and temperature reduction functions; (3) the patent No. CN200710034889.5 discloses a special ultrasonic grain storage intelligent humidifying and tempering device and an application technology for controlling the water content of stored grains and improving the grain process and the edible quality. The methods disclosed in the above patents control the moisture of grains but do not adjust according to the actual grain conditions, and cannot be applied to the tempering of complex grain conditions in grain bins.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a conditioning system utilizing an air source heat pump and ultrasonic equipment.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a conditioning system utilizing an air source heat pump and ultrasonic equipment comprises a fan, a surface air cooler, a water tank, a refrigerating system, an ultrasonic atomizer, a ventilating duct, a trench fence net, an upper air inlet, a temperature and humidity detection probe, a temperature and humidity output device and a water replenishing tank;
fan, surface cooler and ultrasonic atomization ware set gradually in air pipe along the wind direction, the entry of surface cooler links to each other with the cold side export of water tank, the export of surface cooler links to each other with the cold side entry of water tank, the hot side entry of water tank links to each other with refrigerating system's export, the hot side export of water tank links to each other with refrigerating system's entry, ultrasonic atomization ware and moisturizing case link to each other, air pipe links to each other with the upper portion air intake all the way, and another way links to each other with geosyncline fence net, is provided with a plurality of temperature and humidity test probe in the granary, and a plurality of temperature and humidity test probe all link to each other with temperature and humidity output device.
Furthermore, a grille air opening is further arranged in the ventilating duct.
Furthermore, a water purifier is arranged between the ultrasonic atomizer and the water replenishing tank, and the water replenishing tank is connected with the water purifier through a water replenishing pipeline.
Furthermore, all be provided with the solenoid valve on the pipeline between surface cooler and the water tank, be provided with the heat pump between the entry of surface cooler and the cold side export of water tank, all be provided with the solenoid valve on the pipeline between water tank and the refrigerating system, be provided with the heat pump between the export of the hot side entry of water tank and refrigerating system.
Furthermore, the temperature and humidity detection probe is connected with the temperature and humidity output device through a temperature and humidity detection cable.
Furthermore, an electric exhaust valve is arranged on the wall surface above the highest horizontal line of the stored grains in the granary.
Furthermore, a geosyncline inlet valve is arranged between the ventilating duct and the geosyncline fence.
Furthermore, a plurality of geosyncline air inlet valves are arranged on the geosyncline fence net.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the air source heat pump system and the ultrasonic atomizer, and improves the ventilation mode. The regulation of the prior art standard on the quality-adjusting ventilation condition shows that the temperature and the humidity of the air flow entering the warehouse have great influence on the humidification effect, the ventilation independent of the weather condition is realized by utilizing an air source heat pump system with lower operation cost, and meanwhile, the heat generated by the heat pump ensures that the water vapor has good atomization degree and small granularity, is beneficial to grain absorption, and can also avoid the grain damage accident caused by the dewing of an air duct; the ventilation mode is improved, the ventilation mode is adjusted in real time according to the grain situation reflected by the data of the temperature and humidity sensor by adopting 'vertical combination, dynamic and static combination, humidification selection and partition processing', so that the moisture amplification of grains is controlled, the moisture gradient of a grain pile is reduced, and the problems of uneven moisture distribution and large moisture gradient in grains are solved; the first part of combination machine case sets up the grid wind gap, sets up water purification installation before moisturizing case and the ultrasonic atomization ware, improves air supply quality and ultrasonic atomization ware and produces the water smoke quality, avoids impurity and aquatic bacterium to cause the influence to the grain quality.
Furthermore, a water purification device is additionally arranged between the water replenishing tank and the ultrasonic atomizer to form a combined case of a plurality of devices, and a grid air port is arranged in front of the fan to ensure the quality of air supply and water use.
Furthermore, a plurality of valves are installed at the bottom of the grain and the ventilation opening of the geosyncline, selective air supply of a grain storage area is carried out through opening and closing of the valves, the ventilation mode is improved, and different ventilation modes are selected according to grain conditions.
Furthermore, an air source heat pump system is combined, the air supply temperature is controlled according to the data of the grain condition monitoring system, and the ventilation tempering is not affected by seasons and weather conditions.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the general structure of the present invention.
Wherein: 1-a grille air port, 2-a fan, 3-a surface cooler, 4-a water tank, 5-a refrigerating system, 6-an ultrasonic atomizer, 7-a ventilating duct, 8-a geosyncline inlet valve, 9-a geosyncline air inlet valve, 10-a geosyncline fence, 11-an upper air inlet, 12-a temperature and humidity detection cable, 13-a temperature and humidity detection probe, 14-an electric exhaust valve, 15-a temperature and humidity output device, 16-a water replenishing tank, 17-a water replenishing pipeline and 18-a water purifier.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the present invention is used, the description is merely for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the conditioning system using the air source heat pump and the ultrasonic equipment of the present invention has the following specific connection modes: the grille tuyere 1, the fan 2, the surface air cooler 3 and the ultrasonic atomizer 6 form a combined case which is arranged outside the granary; the surface cooler 3, the water tank 4 and the refrigerating system 5 in the combined case form a closed circulation loop to form a complete air source heat pump system; the upper part of the right side of the combined case is connected with a ventilating duct 7, and the lower part of the right side of the combined case is sequentially connected with a water purifier 18 and a water replenishing tank 16; the ventilation pipeline 7 is connected with the air inlets at the upper parts of the geosyncline inlet valves 8 and 11, the geosyncline inlet valve is positioned at the leftmost side of the geosyncline under the grain storage of the granary, and the air inlet at the upper part is positioned on the wall surface above the highest horizontal line of the grain storage of the granary; wind enters the geosyncline through a geosyncline inlet valve 8, and the other part of the wind enters an air area at the upper part of the granary through an upper air inlet 11 to perform descending ventilation; the air supply entering the inlet valve 8 of the geosyncline enters the granary from the bottom of the granary through the geosyncline barrier 10 for ascending ventilation; the temperature and humidity detection cable 12, the temperature and humidity detection probe 13 and the temperature and humidity output device 15 form a grain condition monitoring system, and grain condition data in the granary are fed back in time.
The working process of the invention is as follows:
when the system runs: the fan 2 supplies air to the inside of the system, and firstly, the air passes through the grille air opening 1 to improve the quality of the inlet air; then the air supply enters the surface air cooler 3, the air supply is cooled or heated according to the data displayed by the temperature and humidity output device 15, the upper part of the surface air cooler 3 is sequentially connected with the water tank 4 and the refrigerating system 5 to form an air source heat pump system, the refrigerating system 5 absorbs the low heat energy in the air, the low heat energy is converted into the high heat energy which can be used by acting through an internal compressor, the high heat energy is exchanged with a water system in the water tank 4, and then the cooling or heating is provided through the surface air cooler 3; then, the air supply enters the last part of the ultrasonic atomizer 6 of the combined case, the air supply and water mist generated by the ultrasonic atomizer are fully mixed to form water vapor, if the air supply temperature is heated at the surface air cooler 3, smaller particle water with better atomization degree can be formed, so that the air absorption is facilitated, after the water of the ultrasonic atomizer 6 is used up, the water of the water supplementing tank 16 flows to the water purifier 18 through the water supplementing pipeline 17, and the water is purified in the water purifier and then enters the ultrasonic atomizer 6; finally, the supplied air flows to a geosyncline inlet valve 8 and an upper air inlet 11 through a ventilation pipeline 7 respectively, and enters the granary for ventilation and tempering according to the opening and closing of the valves.
And (3) ventilation tempering: firstly, opening a geosyncline air inlet valve 9 to perform upstroke ventilation, closing a geosyncline air vent valve after ventilating for a period of time, standing for a period of time to redistribute moisture in a static state, transferring moisture from a lower high-moisture part to an upper low-moisture part, namely 'dynamic and static combination', closing the ultrasonic atomizer 6 after standing, performing natural ventilation for a period of time to ensure the uniformity of moisture of bottom-layer grains, and then finishing the upstroke ventilation. Opening upper portion air intake 11, ultrasonic atomizer 6, closing geosyncline air intake valve 9, carrying out descending formula ventilation, combine from top to bottom promptly, ventilate and close upper portion air intake 11 after a period of time, a period of standing, it closes ultrasonic atomizer 6 after standing to carry out the natural draft of a period of time, finish descending formula ventilation. During the period, a temperature and humidity detection probe 13 detects the temperature and humidity of the grain situation in real time, the temperature and humidity are displayed in a temperature and humidity output device 15 through a temperature and humidity detection cable 12, the moisture gradient and the highest moisture of each area of the granary are detected according to the real-time feedback of the grain situation, if the highest moisture of a certain area is about to reach the safe moisture or the moisture is lower, a geosyncline air inlet valve 9 of the area is opened, other geosyncline air inlet valves are closed, and natural wind ventilation uniform moisture or humidification is performed on the special area, namely 'selective humidification and partition processing'. After the ventilation is finished, the electric exhaust valve 14 is opened to exhaust the moist air on the upper part of the stored grain.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A conditioning system utilizing an air source heat pump and ultrasonic equipment is characterized by comprising a fan (2), a surface air cooler (3), a water tank (4), a refrigerating system (5), an ultrasonic atomizer (6), a ventilating duct (7), a geosyncline fence (10), an upper air inlet (11), a temperature and humidity detection probe (13), a temperature and humidity output device (15) and a water replenishing tank (16);
fan (2), surface cooler (3) and ultrasonic atomization ware (6) set gradually in air pipe (7) along the wind direction, the entry of surface cooler (3) links to each other with the cold side export of water tank (4), the export of surface cooler links to each other with the cold side entry of water tank (4), the hot side entry of water tank (4) links to each other with the export of refrigerating system (5), the hot side export of water tank (4) links to each other with the entry of refrigerating system (5), ultrasonic atomization ware (6) and moisturizing case (16) link to each other, air pipe (7) link to each other with upper portion air intake (11) all the way, and another way links to each other with geosyncline fence (10), is provided with a plurality of temperature and humidity detection probe (13) in the granary, and a plurality of temperature and humidity detection probe (13) all link to each other with temperature and humidity output device (15).
2. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein the ventilating duct (7) is further provided with a grille air opening (1).
3. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein a water purifier (18) is arranged between the ultrasonic atomizer (6) and the water replenishing tank (16), and the water replenishing tank (16) is connected with the water purifier (18) through a water replenishing pipeline (17).
4. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein the pipelines between the surface air cooler (3) and the water tank (4) are provided with electromagnetic valves, the heat pump is arranged between the inlet of the surface air cooler (3) and the cold side outlet of the water tank (4), the pipelines between the water tank (4) and the refrigeration system (5) are provided with electromagnetic valves, and the heat pump is arranged between the hot side inlet of the water tank (4) and the outlet of the refrigeration system.
5. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein the temperature and humidity detection probe (13) and the temperature and humidity output device (15) are connected through a temperature and humidity detection cable (12).
6. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein an electric exhaust valve (14) is arranged on the wall surface above the highest horizontal line of the stored grain in the granary.
7. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein a trench inlet valve (8) is arranged between the ventilation pipeline (7) and the trench fence (10).
8. The conditioning system using the air source heat pump and the ultrasonic equipment as claimed in claim 1, wherein a plurality of trench air inlet valves (9) are arranged on the trench fence (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111603460.XA CN114223409A (en) | 2021-12-24 | 2021-12-24 | Tempering system utilizing air source heat pump and ultrasonic equipment |
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| CN202111603460.XA CN114223409A (en) | 2021-12-24 | 2021-12-24 | Tempering system utilizing air source heat pump and ultrasonic equipment |
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