CN203633194U - Automated constant-temperature dehumidification unit for grain storage - Google Patents
Automated constant-temperature dehumidification unit for grain storage Download PDFInfo
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- CN203633194U CN203633194U CN201320884775.0U CN201320884775U CN203633194U CN 203633194 U CN203633194 U CN 203633194U CN 201320884775 U CN201320884775 U CN 201320884775U CN 203633194 U CN203633194 U CN 203633194U
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- heat exchanger
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Abstract
The utility model provides an automated constant-temperature dehumidification unit for grain storage. One end of a compressor is connected with a first heat exchanger and a second magnetic valve. The first heat exchanger is sequentially connected with a high-pressure liquid storage device and a first stop valve. A filter is connected with a first magnetic valve. An expansion valve and a second heat exchanger are connected with a gas-liquid separator. The gas-liquid separator is connected with the other end of the compressor. A second stop valve is connected to the two ends of the second magnetic valve in parallel. The second magnetic valve is connected with a third heat exchanger. An electric heater is additionally arranged between the second heat exchanger and the third heat exchanger. A fan of the second heat exchanger is controlled through a frequency converter. The automated constant-temperature dehumidification unit can supply cold air used for grain storage and greatly reduce moisture content in the cold air; moisture contained in grains can be directly removed at a constant temperature through the unit, so that the requirement for grain storage is met; according to the automated constant-temperature dehumidification unit, high temperature refrigerant dehumidification is adopted, the forced draft fan is controlled in a frequency converting mode, as a result, the corresponding air volume and air pressure can be changed as needed, dehumidification efficiency of the grains can be effectively improved, and the energy efficiency ratio is increased.
Description
Technical field
The utility model relates to a kind of grain storage of automation and uses constant temperature dehumidification unit, in particular, relates to a kind of cooling condition that can meet in grain storage process, a cover system that can dehumidify again.
Background technology
Grain is deposited in together in the time storing, and easily produces fever phenomenon, need to carry out grain coolingly, is generally to adopt air-conditioning cooling at present, but the cold wind that air-conditioning blows out is easy to cause airborne hydrogenesis, and then grain is made moist, and is unfavorable for the storage of grain.Some grain itself is just moister, if carry out not in time air-dryly, grain easily mildews and germinates and can not eat, and be generally that to adopt electric auxiliary hot-air heated mode to carry out air-dry, but the mode energy consumption of electric auxiliary heat is very large.In addition, stack the difference of quantity according to grain, also difference of required air quantity and blast stores grain, the mode that tradition is taked is that a Shuttoff Valve is installed on air channel, utilize the switching value of shut-off valve to change required air quantity and blast, the efficiency of this mode is low and need to manually operate operation more complicated.
If the grain itself storing is moister, can only dehumidify with electrical heating, electric heater unit can not link effectively with unit, causes electric heater unit to enter from unit the cold air that contains in a large number condensed water again in dehumidifying, effect on moisture extraction is not good, causes the wasting of resources.
Utility model content
The utility model provides a kind of grain to store with the automatic constant temperature unit that dehumidifies, and electrical heating and unit dehumidifying are coupled together effectively, preferentially utilizes the dehumidifying of condensation hot gas, blower fan is adopted to VFC simultaneously, improve the Energy Efficiency Ratio of unit, save energy consumption, reduce Financial cost.Solve existing common grain and store with containing a large amount of condensing water vapors in cooling air conditioning group cold wind, and can only the auxiliary hot mode of electricity consumption be grain dehumidifying, the not good and high problem of energy consumption of effect on moisture extraction.
Technical solution adopted in the utility model is: a kind of grain of automation stores uses constant temperature dehumidification unit, comprise compressor, heat exchanger, high-pressure reservoir, stop valve, filter, magnetic valve, expansion valve, heat exchanger, gas-liquid separator, electrical heating and frequency converter, compressor one end is connected with First Heat Exchanger and the second magnetic valve, First Heat Exchanger is ined succession successively and is connect high-pressure reservoir, the first stop valve, filter, the first magnetic valve connects, expansion valve, the second heat exchanger and gas-liquid separator, gas-liquid separator is connected with the compressor other end, the second stop valve is attempted by the second magnetic valve two ends, the second magnetic valve is connected with the 3rd heat exchanger, between the second heat exchanger and the 3rd heat exchanger, install electric heater additional, the blower fan of the second heat exchanger is by Frequency Converter Control.
Described compressor is vortex, piston type or screw compressor.
Described First Heat Exchanger is board-like, shell-tube type or finned heat exchanger.
The second described heat exchanger and the 3rd heat exchanger are finned heat exchangers.
Described expansion valve is heating power expansion valve, electric expansion valve or capillary expansion valve.
Compared with prior art, the present invention has the following advantages:
1. the utility model compared with prior art, can guarantee supply and store the cold wind of use to grain, can effectively reduce in cold wind and cause grain mildew or germinate with large quantity of moisture again, if grain self has a large amount of moisture, this unit also can directly carry out constant temperature dehumidification, reaches the claimed condition that grain stores.In dehumidification process, utilize high temperature refrigerant dehumidifying, effectively reduce the energy consumption of compressor, improve the Energy Efficiency Ratio of unit; Pressure fan adopts VFC simultaneously, can change according to demand corresponding air quantity and blast, can effectively improve the constant temperature dehumidification efficiency that grain is stored, and has greatly saved energy consumption than traditional approach, has reduced Financial cost.
2. utilize compressor air-discharging waste heat to do heating and dehumidification function, realized energy recycling, significantly save the energy.
3. breeze fan adopts VFC, has significantly reduced the energy consumption of blower fan.
Accompanying drawing explanation
Fig. 1 is that a kind of grain of automation stores with constant temperature dehumidification unit control system schematic diagram.
Embodiment
As shown in Figure 1, the grain that the utility model discloses a kind of automation stores uses constant temperature dehumidification unit, compressor 1 refrigerant outlet respectively with First Heat Exchanger 2 imports, the second magnetic valve 10 imports are connected with the second stop valve 11 imports, First Heat Exchanger 2 refrigerant outlets are connected with high-pressure reservoir 3 imports, high-pressure reservoir 3 refrigerant outlets are connected with the first stop valve 4 imports, the first stop valve 4 refrigerant outlets are connected with the first filter 5 imports, the first filter 5 refrigerant outlets are connected with the first magnetic valve 6 imports, the first magnetic valve 6 outlets are connected with expansion valve 7 imports, expansion valve 7 refrigerant outlets are connected with the second heat exchanger 8 imports, second heat exchanger 8 refrigerant outlet the first gas-liquid separator 9 imports connect, the first gas-liquid separator 9 is connected with compressor 1 import, the second magnetic valve 10 outlets are connected with the import of the 3rd heat exchanger 12 respectively with the outlet of the second stop valve 11, the outlet of the 3rd heat exchanger 12 is connected with high-pressure reservoir 3 imports, between the second heat exchanger 8 and the 3rd heat exchanger 11, install electric heater 13 additional, the blower fan of the second heat exchanger 8 is controlled by frequency converter 14.
Sketch operation principle of the present utility model below in conjunction with accompanying drawing, its function is achieved as follows:
While using heating and dehumidification function, compressor 1 starts, the cold-producing medium of compression HTHP, First Heat Exchanger 2 moves, the second magnetic valve 10 is opened, the second stop valve 11 is done for subsequent use, the hot gas major part of HTHP enters First Heat Exchanger 2, be cooled into the liquid for middle temperature high pressure, a part enters the 3rd heat exchanger 12 through the second magnetic valve 10, to do hot blast dehumidifying, also be cooled into the liquid of middle temperature high pressure, then all middle temperature high pressure refrigerant liquid enter high-pressure reservoir 3, through the first stop valve 4, the first filter 5, the first magnetic valve 6, enter expansion valve 7, become the refrigerant liquid of low-temp low-pressure through expansion valve 7, enter the second heat exchanger 8 and carry out sweat cooling, low-temperature low-pressure refrigerant gas after evaporation enters compressor 1 recompression through gas-liquid separator 9 becomes the gas of HTHP.In the time that the humidity ratio of grain is larger, need to start the auxiliary dehumidifying of electrical heating, frequency converter is according to the speed of the pressure sensor control blower fan in air channel.
The grain of the disclosed a kind of automation of the utility model stores uses constant temperature dehumidification unit, utilize the heat recovery function of unit directly to heat unit, need not increase the object that energy consumption just can reach air-dry grain, electric heater unit is equipped with in unit inside, if the grain moisture storing is larger, when heat recovery function can not meet heating condition in time, can start electric heater unit, auxiliary its heating and dehumidification function; The blower fan of this unit uses Frequency Converter Control, only need be on air channel setting pressure sensing device, sensing device is transformed into control signal by pressure signal and is transferred to frequency converter, frequency converter just can carry out frequency conversion to blower fan, to change blast and air quantity.The utility model is simple in structure, and practical strong, cost is lower, energy-conservation, and constant temperature dehumidification is effective.
Claims (5)
1. the grain of an automation stores and uses constant temperature dehumidification unit, it is characterized in that, comprise: comprise compressor, heat exchanger, high-pressure reservoir, stop valve, filter, magnetic valve, expansion valve, heat exchanger, gas-liquid separator, electrical heating and frequency converter, compressor one end is connected with First Heat Exchanger and the second magnetic valve, First Heat Exchanger is ined succession successively and is connect high-pressure reservoir, the first stop valve, filter, the first magnetic valve connects, expansion valve, the second heat exchanger and gas-liquid separator, gas-liquid separator is connected with the compressor other end, the second stop valve is attempted by the second magnetic valve two ends, the second magnetic valve is connected with the 3rd heat exchanger, between the second heat exchanger and the 3rd heat exchanger, install electric heater additional, the blower fan of the second heat exchanger is by Frequency Converter Control.
2. grain according to claim 1 stores and uses constant temperature dehumidification unit, it is characterized in that: described compressor is vortex, piston type or screw compressor.
3. grain according to claim 1 stores and uses constant temperature dehumidification unit, it is characterized in that: described First Heat Exchanger is board-like, shell-tube type or finned heat exchanger.
4. grain according to claim 1 stores and uses constant temperature dehumidification unit, it is characterized in that: the second described heat exchanger and the 3rd heat exchanger are finned heat exchangers.
5. grain according to claim 1 stores and uses constant temperature dehumidification unit, it is characterized in that: described expansion valve is heating power expansion valve, electric expansion valve or capillary expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884775.0U CN203633194U (en) | 2013-12-31 | 2013-12-31 | Automated constant-temperature dehumidification unit for grain storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884775.0U CN203633194U (en) | 2013-12-31 | 2013-12-31 | Automated constant-temperature dehumidification unit for grain storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203633194U true CN203633194U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884775.0U Expired - Fee Related CN203633194U (en) | 2013-12-31 | 2013-12-31 | Automated constant-temperature dehumidification unit for grain storage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170603A (en) * | 2014-08-18 | 2014-12-03 | 成都蜀农昊农业有限公司 | Grain drying and storing warehouse |
| CN109618689A (en) * | 2019-01-31 | 2019-04-16 | 中原工学院 | Two-stage solution dehumidification system for drying grain during procedure of storing grain |
| CN109618688A (en) * | 2019-01-31 | 2019-04-16 | 中原工学院 | Low temperature drying damping multifunctional ecological grain storage system |
-
2013
- 2013-12-31 CN CN201320884775.0U patent/CN203633194U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170603A (en) * | 2014-08-18 | 2014-12-03 | 成都蜀农昊农业有限公司 | Grain drying and storing warehouse |
| CN109618689A (en) * | 2019-01-31 | 2019-04-16 | 中原工学院 | Two-stage solution dehumidification system for drying grain during procedure of storing grain |
| CN109618688A (en) * | 2019-01-31 | 2019-04-16 | 中原工学院 | Low temperature drying damping multifunctional ecological grain storage system |
| CN109618689B (en) * | 2019-01-31 | 2023-04-07 | 中原工学院 | Two-stage solution dehumidification grain warehouse-in drying system |
| CN109618688B (en) * | 2019-01-31 | 2023-08-25 | 中原工学院 | Low-temperature drying and humidity-regulating multifunctional ecological grain storage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511356 Guangdong city of Guangzhou province Luogang District Yonghe Street Garden Road No. 84 Xinzhuang Industrial Park building K Patentee after: Guangdong Eurasia refrigeration equipment manufacturing Co., Ltd. Address before: 511356 Guangdong city of Guangzhou province Luogang District Yonghe Street Garden Road No. 84 Xinzhuang Industrial Park building K Patentee before: GUANGZHOU EURASIAN REFRIGERATION EQUIPMENT MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20201231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |