CN103688690A - Large-size automatic low-temperature granary with evaporative cooling system - Google Patents
Large-size automatic low-temperature granary with evaporative cooling system Download PDFInfo
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- CN103688690A CN103688690A CN201310682279.1A CN201310682279A CN103688690A CN 103688690 A CN103688690 A CN 103688690A CN 201310682279 A CN201310682279 A CN 201310682279A CN 103688690 A CN103688690 A CN 103688690A
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Abstract
The invention discloses a large-size automatic low-temperature granary with an evaporative cooling system. The large-size automatic low-temperature granary consists of a grain depot and a refrigerating system, wherein the grain depot comprises a plurality of low-temperature storerooms for storing finished grain products; the refrigerating system is an automatic refrigerating system R22 which has the evaporation temperature of 5 DEG C and adopts evaporative condensation and comprises a refrigerating unit arranged in a refrigerating station, a liquid supply adjustment station connected with a liquid outlet of the refrigerating unit through a pipeline and an air return adjustment station connected with an air inlet of the refrigerating unit through a pipeline; a plurality of air coolers are arranged in the low-temperature storerooms side by side; liquid inlets of the air coolers are connected with a liquid outlet of the liquid supply adjustment station through a liquid inlet pipeline; air outlets of the air coolers are connected with an air inlet of the air return adjustment station through an air return pipeline; an evaporative condenser is connected between the air outlet and the liquid inlet of the refrigerating unit. The large-size automatic low-temperature granary with the evaporative cooling system has the advantages that the whole refrigerating system is compact in structure, a ventilation air cage and an air duct are not needed, a grain storage space cannot be occupied, and the phenomenon that grains leak into the air duct can be avoided.
Description
Technical field
The present invention relates to low temperature silo, especially relate to a kind of large automatic low temperature silo that adopts evaporating cold system.
Background technology
World today's grain storage safe comes into one's own day by day, and the pesticide residues that employing fumigation technology causes and the pest resistance to insecticide problem causing are on the rise, so best storage method is to realize low temperature with the biologically active of Control pests.(grain heap mean temperature remains on 15 ℃ and following to China's low temperature bin under this background throughout the year, the highest grain temperature in part is not higher than 20 ℃) and accurate low temperature bin (grain heap mean temperature remains on 20 ℃ and following throughout the year, the highest grain temperature in part is not higher than 25 ℃) construction and transformation scale in continuous expansion, the means that silo is realized low temperature roughly have natural low temperature, force ventilation and mechanical refrigeration etc.The at present domestic means that adopt mechanical refrigeration to realize low temperature to silo have three kinds: adopt the cold machine of portable paddy to blast cold wind to silo; At low temperature bin, window air conditioner is installed; Adopt assembled air-conditioner unit to silo inside supply cold wind.The cold function consumption of portable paddy is large, price is high, and while moving under normal circumstances, the storage energy consumption of horizontal warehouse can reach 0.5～0.8kWh/t ℃, is applicable to when the appearance of grain temperature is abnormal silo to blast cold air reduction grain temperature, can effectively slow down the growth of insect.Assembled air-conditioner unit is in order to guarantee the storehouse temperature of 15 ℃, the supply water temperature of required chilled water is lower than conventional air-conditioning chilled water temperature (7 ℃), the energy consumption of refrigeration system is had to higher requirement, and for meeting the requirements of storehouse temperature, the air circulation needing is large, due to cube being directly proportional of blower fan power consumption and air quantity, the extensive increase that therefore can bring fan energy consumption.The cold machine of paddy all needs to be connected with the air channels such as ventilation cage of silo with assembled air-conditioner unit in addition, air channel can take effective grain storage space, for some storehouse type, also can affect to some extent turnover grain technique, for grain depot in bulk, the problem that the setting of cage also can cause grain to bleed air channel.Low temperature bin install window air conditioner for Minitype granary for convenience of, applicable, but for large granary (storage amount is greater than 6000 tons of packing grains), not only equipment investment is large, refrigeration is also not fully up to expectations, this is because the air supplying distance of window air conditioner is short, is not enough to meet air current composition and the Temperature Distribution of whole large area storehouse.So how can realize again the energy utilization rate that improves refrigeration system when guaranteeing stored grain safety, it is industry technical staff's striving direction.
Summary of the invention
The object of the present invention is to provide a kind of large automatic low temperature silo that adopts evaporating cold system.
For achieving the above object, the present invention can take following technical proposals:
The large automatic low temperature silo of employing evaporating cold system of the present invention, by grain depot and refrigeration system, formed, described grain depot comprises a plurality of low temperature storehouses that store finished product of grain, described refrigeration system is 5 ℃ of evaporating temperatures, the R22 automation refrigeration system that adopts evaporative condenser, comprise the refrigeration unit being arranged in refrigerating plant room, and the feed flow being connected with described refrigeration unit liquid outlet by pipeline regulates station and the gas-returning regulation station being connected with described refrigeration unit air inlet by pipeline; In described low temperature storehouse, be set side by side with many air-coolers, the inlet of described air-cooler regulates the liquid outlet at station to be connected by feed liquor pipeline and described feed flow, and the gas outlet of described air-cooler is connected with the air inlet of described gas-returning regulation station by return line; Between the gas outlet of described refrigeration unit and inlet, by pipeline, be connected with evaporative condenser.
Described refrigeration unit is multi-machine heads high temperature screw type cold unit.
The invention has the advantages that wide-scale adoption air-cooler in low temperature storehouse, utilize the full-automatic refrigeration pattern of evaporating cold condensation, take R22 as refrigeration working medium, whole automation refrigeration system is further simplified, refrigeration cost is low, reach and met and wrap the refrigeration demand that grain memory space is greater than the large granary of 6000 tons, the storage energy consumption of grain depot can be down to 0.24kWh/t ℃, although the power consumption that the every reduction of unit mass grain is 1 ℃ and the thermal property of silo enclosed structure also have certain relation, compared some superiority with the specific energy consumption of Gu Lengji.Whole refrigerant system configurations is compact, without ventilation cage and air channel are set, does not take grain storage space, the phenomenon that also can not exist grain to bleed air channel.
Accompanying drawing explanation
Fig. 1 is plane structure chart of the present invention.
Fig. 2 is refrigeration system schematic diagram of the present invention.
Embodiment
As shown in Figure 1, 2, the large automatic low temperature silo of employing evaporating cold system of the present invention, is comprised of grain depot and refrigeration system, and by five 15 ℃ of low temperature storehouses that store finished product of grain, (wherein area is 624m to grain depot
21 large between, area is 576 m
22, area is 432m
22, storehouse height is 6 meters) and the releiving of normal temperature between and between packaging material, form;
Refrigeration system is 5 ℃ of evaporating temperatures, the R22 automation refrigeration system that adopts evaporative condenser: refrigerating plant room is built the low temperature storehouse corner between large in, in it, be provided with the gas-returning regulation station 3 that multi-machine heads high temperature screw type cold unit 1 and the feed flow that is connected with refrigeration unit 1 liquid outlet by pipeline regulate station 2, are connected with refrigeration unit 1 air inlet by pipeline, between the gas outlet of refrigeration unit 1 and inlet, by pipeline, be connected with evaporative condenser 4.For meeting the storehouse temperature of 15 ℃ of low temperature storehouse requirement, the ceiling mounting type air-cooler combination of different colds can be set according to different holding capacity of bin, as being set side by side with four air-coolers 5 in the low temperature storehouse between large, in the low temperature storehouse of every little, being set side by side with three air-cooler 5(air-coolers, can to select model be VCI43504, range >=18m or model are VCI61634, range >=28m, also two kinds of model collocation can be used), the inlet of air-cooler 5 regulates the liquid outlet at station 2 to be connected by feed liquor pipeline 6 and feed flow, the gas outlet of air-cooler 5 is connected with the air inlet of gas-returning regulation station 3 by return line 7.
During work, in the ceiling mounting type air-cooler 5 arranging in 15 ℃ of low temperature storehouses of storehouse temperature, the return-air cooled via return air pipeline 7 of low-temp low-pressure enters the gas-returning regulation station 3 of 5 ℃ of evaporating temperature refrigeration systems, enter again refrigeration unit 1, through overcompression, become the steam of HTHP, enter evaporative condenser 4, after condensation, become highly pressurised liquid and enter feed flow adjusting station 2, through input duct 6, distribute and enter the interior evaporative cooling of each ceiling mounting type air-cooler 5 in each low temperature storehouse, low-temp low-pressure gas after cooling again cooled via return air pipeline 7 enters gas-returning regulation station 3, cooled unit 1 sucks and carries out next one circulation.
For guaranteeing the safe operation of whole refrigeration system, pipeline in system adopts copper tube as far as possible, consider the copper tube difficulty of processing of Large Diameter Pipeline, in this refrigeration system, can adopt stainless steel or seamless steel pipe during caliber D>28mm, steel pipe must be through acid wash passivation, and on refrigeration system return-air house steward, add corresponding filter, in case the ducted impurity of locking system enters compressor, affect the normal work of whole refrigeration system.
Claims (2)
1. a large automatic low temperature silo that adopts evaporating cold system, by grain depot and refrigeration system, formed, described grain depot comprises a plurality of low temperature storehouses that store finished product of grain, it is characterized in that: described refrigeration system is 5 ℃ of evaporating temperatures, the R22 automation refrigeration system that adopts evaporative condenser, comprise the refrigeration unit being arranged in refrigerating plant room, and the feed flow being connected with described refrigeration unit liquid outlet by pipeline regulates station and the gas-returning regulation station being connected with described refrigeration unit air inlet by pipeline; In described low temperature storehouse, be set side by side with many air-coolers, the inlet of described air-cooler regulates the liquid outlet at station to be connected by feed liquor pipeline and described feed flow, and the gas outlet of described air-cooler is connected with the air inlet of described gas-returning regulation station by return line; Between the gas outlet of described refrigeration unit and inlet, by pipeline, be connected with evaporative condenser.
2. the large automatic low temperature silo of employing evaporating cold system according to claim 1, is characterized in that: described refrigeration unit is multi-machine heads high temperature screw type cold unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310682279.1A CN103688690A (en) | 2013-12-10 | 2013-12-10 | Large-size automatic low-temperature granary with evaporative cooling system |
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| CN201310682279.1A CN103688690A (en) | 2013-12-10 | 2013-12-10 | Large-size automatic low-temperature granary with evaporative cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444182A (en) * | 2018-02-05 | 2018-08-24 | 广州永明冷链冷藏设备有限公司 | A kind of agricultural and sideline product low temperature storage refrigeration unit |
| CN108870591A (en) * | 2018-06-28 | 2018-11-23 | 江苏永昇空调有限公司 | A kind of grain depot evaporating condensation type air-conditioner set |
| CN114637348A (en) * | 2022-03-24 | 2022-06-17 | 广西盛世粮机械有限公司 | Industrial centralized refrigeration type low-temperature granary temperature control system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248469A1 (en) * | 1982-12-21 | 1984-07-05 | Sulzer-Escher Wyss Gmbh, 8990 Lindau | Refrigerating capacity control for refrigerators for the cooling of agricultural bulk materials |
| CN201451190U (en) * | 2009-06-02 | 2010-05-12 | 彭豫 | Low-temperature cold air food storage set with evaporation-type condenser |
| CN102032742A (en) * | 2010-12-13 | 2011-04-27 | 河南工业大学 | Ammonia refrigeration-based large-scale automatic high and low temperature cold store |
| KR20120046437A (en) * | 2010-11-02 | 2012-05-10 | 박성철 | Refrigerator for grain |
| CN202393073U (en) * | 2011-12-24 | 2012-08-22 | 大连三洋压缩机有限公司 | Refrigerating system for ultra-low-temperature refrigerated storages |
| CN202955904U (en) * | 2012-11-12 | 2013-05-29 | 梁志通 | Refrigerating system used for cold storage |
| CN203575161U (en) * | 2013-12-10 | 2014-05-07 | 河南工业大学 | Large automatic low-temperature granary with evaporative cooling system |
-
2013
- 2013-12-10 CN CN201310682279.1A patent/CN103688690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248469A1 (en) * | 1982-12-21 | 1984-07-05 | Sulzer-Escher Wyss Gmbh, 8990 Lindau | Refrigerating capacity control for refrigerators for the cooling of agricultural bulk materials |
| CN201451190U (en) * | 2009-06-02 | 2010-05-12 | 彭豫 | Low-temperature cold air food storage set with evaporation-type condenser |
| KR20120046437A (en) * | 2010-11-02 | 2012-05-10 | 박성철 | Refrigerator for grain |
| CN102032742A (en) * | 2010-12-13 | 2011-04-27 | 河南工业大学 | Ammonia refrigeration-based large-scale automatic high and low temperature cold store |
| CN202393073U (en) * | 2011-12-24 | 2012-08-22 | 大连三洋压缩机有限公司 | Refrigerating system for ultra-low-temperature refrigerated storages |
| CN202955904U (en) * | 2012-11-12 | 2013-05-29 | 梁志通 | Refrigerating system used for cold storage |
| CN203575161U (en) * | 2013-12-10 | 2014-05-07 | 河南工业大学 | Large automatic low-temperature granary with evaporative cooling system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444182A (en) * | 2018-02-05 | 2018-08-24 | 广州永明冷链冷藏设备有限公司 | A kind of agricultural and sideline product low temperature storage refrigeration unit |
| CN108870591A (en) * | 2018-06-28 | 2018-11-23 | 江苏永昇空调有限公司 | A kind of grain depot evaporating condensation type air-conditioner set |
| CN114637348A (en) * | 2022-03-24 | 2022-06-17 | 广西盛世粮机械有限公司 | Industrial centralized refrigeration type low-temperature granary temperature control system |
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Application publication date: 20140402 |