CN208091182U - A kind of commutation drying grain storage apparatus - Google Patents

A kind of commutation drying grain storage apparatus Download PDF

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Publication number
CN208091182U
CN208091182U CN201820493559.6U CN201820493559U CN208091182U CN 208091182 U CN208091182 U CN 208091182U CN 201820493559 U CN201820493559 U CN 201820493559U CN 208091182 U CN208091182 U CN 208091182U
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air
valve
electric
drying
passes
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刘照勇
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Chengdu Langbowang Science & Technology Development Co Ltd
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Chengdu Langbowang Science & Technology Development Co Ltd
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Abstract

The utility model discloses a kind of commutations to dry grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat pump assembly are connected by air duct with wind path switching device;Wind path switching device is connected with drying room by air duct, and control device is electrically connected with heat pump assembly, wind path switching device respectively by cable;The wind path switching device sent back under including air port, on send air port back to;Under send air port back to and be connected with drying room bottom tuyeres by air duct, above send air port back to and be connected with drying chamber top air port by air duct.It by the utility model, it can be achieved that carrying out air direction reversals drying and processing to grain, in drying course is not necessarily to that grain is carried out to turn over shovel, with low energy consumption, drying efficiency is high, the simple effect of process;And can realize to the processing of drying room grain heat-drying postcooling, reduce drying cost;And heat pump drying device is used, drying temperature is relatively low, has good drying quality.

Description

A kind of commutation drying grain storage apparatus
Technical field
The utility model is related to a kind of grain storage apparatus, and grain storage apparatus is dried more particularly to a kind of commutation.
Background technology
Currently, grain postpartum mechanization degree of drying in China's is relatively low, and after grain harvest, still based on natural drying, by It is influenced in by factors such as place and weathers, a large amount of high moisture grains in the short time cannot be dried in time, easy tod produce mould The reasons such as change, germination and insect pest, cause China's grain post-harvest loss rate generally higher.It is main for traditional heated-air drying equipment Using coal-fired or fuel oil as heat source, drying medium temperature is higher, and depositing grain quality after the drying influences greatly, and fire coal causes dirt to environment The problem of dye.For the drying equipment using other heat resource forms, such as the heat source of heat pump, solar energy and other forms or with combination The heat source of form, though having certain energy-saving effect, its common ground is all that can only carry out the ventilation drying of direction, or forward Or it is reverse, limited depth of grain layer can only be handled due to unidirectionally drying, for handling a large amount of postpartum grain, the equipment used needs Larger floor area is occupied, and drying time is long, the grain moisture content inhomogeneities after drying is poor, and grain moisture content is dried to improve Uniformity, partially desiccated equipment need to carry out turning over shovel by grain shovelling machine or manually to processing grain during the drying process so that entire Drying course is complex and cost is higher, and whole drying efficiency is relatively low.
For also needing to cool down after grain heat-drying, current drying equipment is less to function offer in this respect, due to Cereal temperature is higher after drying, needs another set of refrigeration equipment to carry out cooling storage toward contact, increases equipment cost.
Utility model content
The goal of the invention of the utility model is:In view of the above problems, a kind of commutation drying grain storage apparatus is provided, The problem of temperature caused by solving fossil energy drying is excessively high, and dries quantity reduces, solves heat source and causes environmental pollution Problem;Solve the problems, such as that the drying efficiency unidirectionally dried is low, cost is higher.
The technical solution adopted in the utility model is as follows:
A kind of commutation drying grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat pump assembly pass through Air duct is connected with wind path switching device;Wind path switching device is connected with drying room by air duct, and control device passes through cable point It is not electrically connected with heat pump assembly, wind path switching device;The wind path switching device sent back under including air port, on send air port back to;Under It sends air port back to by air duct to be connected with drying room bottom tuyeres, above sends air port back to and be connected with drying chamber top air port by air duct.
Further, the utility model discloses a kind of preferred structure of commutation drying grain storage apparatus, the wind path switchings Device includes the first electric three passes air-valve, wind turbine, the second electric three passes air-valve, and the air outlet of wind turbine is by air duct respectively with first One end of electric three passes air-valve and the second electric three passes air-valve is connected, and one end of the first electric three passes air-valve passes through lower air blow and return Mouth is connected with drying room bottom tuyeres, and one end of the second electric three passes air-valve is by above sending air port and drying chamber top air port back to It is connected.
Further, the wind path switching device includes lower exhaust outlet, third electric three passes air-valve, the first electric three passes wind Valve is connected by air duct with lower exhaust outlet, and one end of third electric three passes air-valve is connected with one end of the second electric three passes air-valve Logical, one end of third electric three passes air-valve is connected with exhaust outlet;The air inlet of wind turbine is connected with electrical heating in turn by air duct One end of device, air filter and electronic new air-valve, third electric three passes air-valve is connected by air duct with electronic new air-valve.
Further, the heat pump assembly includes heat pump heat exchanger, and heat pump heat exchanger is arranged in electric heater and air mistake On air duct between filter;Heat pump heat exchanger is arranged with solidifying water pond, and solidifying water pond is equipped with drainpipe, facilitates and arrange condensed water Go out.
Further, the heat pump assembly includes expanding valve group, gas-liquid separator, device for drying and filtering, liquid storage device, four-way to change To valve and compressor;The outlet of compressor is connected with the entrance of four-way reversing valve by copper pipe, the outlet difference of four-way reversing valve It is connected by copper pipe with the outlet of another heat exchanger of heat pump with the outlet of the entrance of gas-liquid separator, heat pump heat exchanger;Heat pump changes The entrance of hot device is connected with expansion valve group, device for drying and filtering and liquid storage device in turn by copper pipe.
Further, the control device includes controller, the first frequency converter, the second frequency converter;Under send back to air port setting There is the first Temperature Humidity Sensor, the second Temperature Humidity Sensor is provided in drying room, above sends air port back to and be provided with third humiture Sensor, controller pass through cable and the first Temperature Humidity Sensor, the second Temperature Humidity Sensor, third Temperature Humidity Sensor signal Connection, controller are electrically connected by the first frequency converter with wind turbine, and controller passes through the second frequency converter and compression mechatronics.
Further, electric heater, air filter, electronic new air-valve, the first electric three passes air-valve, the second electric three passes Air-valve, third electric three passes air-valve and air duct form closed cavity;First electric three passes air-valve, the second electric three passes air-valve, Three electric three passes air-valves are connected by cable with controller signals.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that:
1. by the way that the utility model is arranged, it can be achieved that carrying out air direction reversals drying and processing to grain, it is not necessarily in drying course Grain is carried out to turn over shovel, with low energy consumption, drying efficiency is high, the simple effect of process;
2. the heat pump assembly by the way that four-way commutation is arranged is reduced and is dried, it can be achieved that the processing of drying room grain heat-drying postcooling Dry cost.
Description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the schematic diagram that drying is sent under the utility model;
Fig. 3 is the schematic diagram that drying is sent on the utility model;
Fig. 4 is the schematic diagram of the utility model drying postcooling;
It is marked in figure:1 is expansion valve group, and 2 be gas-liquid separator, and 3 be device for drying and filtering, and 4 be liquid storage device, and 5 be the first electricity Dynamic three-way air valve, 6 be under send air port back to, 7 be solidifying water pond, and 8 be wind turbine, and 9 be electric heater, and 10 be heat pump heat exchanger, and 11 be control Control equipment, 12 be the second electric three passes air-valve, 13 be on send air port back to, 14 be upper exhaust outlet, and 15 be third electric three passes air-valve, 16 be air filter, and 17 be fresh air air-valve, and 18 be four-way reversing valve, and 19 be compressor, and 20 be lower exhaust outlet.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
As shown in Figure 1, grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat are dried in a kind of commutation Pump installation is connected by air duct with wind path switching device;Wind path switching device is connected with drying room, control device by air duct It is electrically connected respectively with heat pump assembly, wind path switching device by cable;The wind path switching device sent back under including air port 6, on Send air port 13 back to;Under send air port 6 back to and be connected with drying room bottom tuyeres by air duct, above send air port 13 back to and pass through air duct and drying Ceiling portion air port is connected.Heat pump assembly provides low-temperature receiver and heat source for whole system.Wind path switching device can realize the upper and lower of air Circulation improves drying efficiency.
Wind path switching device includes the first electric three passes air-valve 5, wind turbine 8, the second electric three passes air-valve 12, and wind turbine 8 goes out Air port is connected with one end of the first electric three passes air-valve 5 and the second electric three passes air-valve 12 respectively by air duct, and first is electronic One end of three-way air valve 5 sends air port 6 back to and is connected with drying room bottom tuyeres under passing through, one end of the second electric three passes air-valve 12 It is connected with drying chamber top air port by above sending air port 13 back to.By the way that the first electric three passes air-valve 5, the second electric three passes are arranged Air-valve 12 and third electric three passes air-valve 15 be interconnected, it can be achieved that air circulation up and down.
Wind path switching device includes lower exhaust outlet 20, third electric three passes air-valve 15, and the first electric three passes air-valve 5 passes through wind Road is connected with lower exhaust outlet 20, and one end of third electric three passes air-valve 15 is connected with one end of the second electric three passes air-valve 12 Logical, one end of third electric three passes air-valve 15 is connected with exhaust outlet 14;The air inlet of wind turbine 8 is connected with electricity in turn by air duct Heater 9, air filter 16 and electronic new air-valve 17, one end of third electric three passes air-valve 15 passes through air duct and electronic fresh air Valve 17 is connected.
Further, the heat pump assembly includes heat pump heat exchanger 10, and the setting of heat pump heat exchanger 10 is in electric heater 9 and sky On air duct between air filter 16;Heat pump heat exchanger 10 is arranged with solidifying water pond 7, and solidifying water pond 7 is equipped with drainpipe, facilitate by Condensed water is discharged.Heat pump assembly can provide low-temperature receiver and heat source.
Further, heat pump assembly includes expanding valve group 1, gas-liquid separator 2, device for drying and filtering 3, liquid storage device 4, four-way to change To valve 18, compressor 19;The outlet of compressor 19 is connected with the entrance of four-way reversing valve 18, the outlet difference of four-way reversing valve 18 It is connected by copper pipe with the outlet of another heat exchanger of heat pump with the outlet of the entrance of gas-liquid separator 2, heat pump heat exchanger 10;Heat pump The entrance of heat exchanger 10 is sequentially connected expansion valve group 1, device for drying and filtering 3 and liquid storage device 4 by copper pipe.
Further, the control device includes controller, the first frequency converter, the second frequency converter;Under send back to air port 6 setting There is the first Temperature Humidity Sensor, the second Temperature Humidity Sensor is provided in drying room, above sending air port 13 back to, to be provided with third warm and humid Sensor is spent, controller is believed by cable and the first Temperature Humidity Sensor, the second Temperature Humidity Sensor, third Temperature Humidity Sensor Number connection, controller is electrically connected by the first frequency converter with wind turbine 8, and controller is electrically connected by the second frequency converter and compressor 19 It connects.The automatic running of control device energy control device.
Further, electric heater 9, air filter 16, electronic new air-valve 17, first the 5, second electricity of electric three passes air-valve Dynamic three-way air valve 12, third electric three passes air-valve 15 and air duct form closed cavity;First electric three passes air-valve 5, second is electronic Three-way air valve 12, third electric three passes air-valve 15 are connected by cable with controller signals.By automatically controlling first electronic three Ventilation valve 5, the second electric three passes air-valve 12, third electric three passes air-valve 15, it can be achieved that wind path automatic switchover.
Carrying out practically process, including following several working conditions:
One, the row's of serving drying pattern under:As shown in Fig. 2, selecting drying pattern, electronic new air-valve 17 by control device 11 It opens, the first electric three passes air-valve 5, the second electric three passes air-valve 12 and third electric three passes air-valve 15 act, fan operation, heat Pump installation starts.Outdoor fresh air enters equipment through electronic new air-valve 17, is filtered by air filter 16, with heat pump heat exchanger 10 Temperature improves after generating heat exchange, enters into wind turbine 8 by the first electric three passes air-valve 5 downwards through 8 boosting of wind turbine Drying room A, hot-air flow through grain layer from the bottom to top, become Hot wet air heating after grain is dried, pass through the second electric three passes Air-valve 12 and third electric three passes air-valve 15, drain into outdoor from upper exhaust outlet 14, recycle successively.
Two, lower row is sent to dry pattern on:As shown in figure 3, control device 11 pass through to processing grain moisture content and surrounding it is warm and humid It spends parameter to judge, carries out reversed drying and processing automatically.Electronic new air-valve 17 is opened, the first electric three passes air-valve 5, second electronic three Ventilation valve 12 and third electric three passes air-valve 15 act, and fan operation, heat pump assembly starts.Outdoor fresh air is through electronic new air-valve 17 It into equipment, is filtered by air filter 16, temperature improves after generating heat exchange with heat pump heat exchanger 10, into wind turbine 8, warp 8 boosting of wind turbine passes upward through the second electric three passes air-valve 12 and enters drying room A, and hot-air from top to bottom flows through grain layer, right Grain is drained into outdoor from lower exhaust outlet 20, is followed successively as Hot wet air heating after being dried by the first electric three passes air-valve 5 Ring.
Three, postcooling pattern is dried:As shown in figure 4, control device 11 pass through to processing grain moisture content and air blow and return it is warm and humid It spends parameter and judges that drying is completed, automatically into drying postcooling tupe.Heat pump assembly four-way commutates, electronic new air-valve 17 Separately opening, the first electric three passes air-valve 5, the second electric three passes air-valve 12 and third electric three passes air-valve 15 act, fan operation, Heat pump assembly starts.Drying room A return air is mixed with third electric three passes air-valve 15 with fresh air by the second electric three passes air-valve 12 Afterwards, it is filtered by air filter 16, temperature reduces after generating heat exchange with heat pump heat exchanger 10, into wind turbine 8, through wind turbine 8 Boosting enters drying room A by the first electric three passes air-valve 5 downwards, and hot-air flows through grain layer from the bottom to top, to grain into Row cooling, return air after cooling are mixed with third electric three passes air-valve 15 with fresh air by the second electric three passes air-valve 12 again, according to Secondary cycle, the cooling condensed water generated collect device for transferring by solidifying water pond 7.
In this way, it can be achieved that carrying out air direction reversals drying and processing to grain, in drying course it is not necessarily to that grain is carried out to turn over shovel, has Have that low energy consumption, drying efficiency is high, the simple effect of process;And can realize to the processing of drying room grain heat-drying postcooling, it reduces and dries Dry cost;Grain will not be constantly in high Warm status, influence grain quality.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (7)

1. grain storage apparatus is dried in a kind of commutation, it is characterised in that:Including heat pump assembly, wind path switching device and control device, heat Pump installation is connected by air duct with wind path switching device;Wind path switching device is connected with drying room, control device by air duct It is electrically connected respectively with heat pump assembly, wind path switching device by cable;The wind path switching device sends air port back under including(6), On send air port back to(13);Under send air port back to(6)It is connected with drying room bottom tuyeres by air duct, above sends air port back to(13)Pass through wind Road is connected with drying chamber top air port.
2. grain storage apparatus is dried in a kind of commutation as described in claim 1, it is characterised in that:The wind path switching device includes the One electric three passes air-valve(5), wind turbine(8), the second electric three passes air-valve(12), wind turbine(8)Air outlet by air duct respectively with First electric three passes air-valve(5)With the second electric three passes air-valve(12)One end be connected, the first electric three passes air-valve(5)One End sends air port back under passing through(6)It is connected with drying room bottom tuyeres, the second electric three passes air-valve(12)One end by above giving Return air inlet(13)It is connected with drying chamber top air port.
3. grain storage apparatus is dried in a kind of commutation as claimed in claim 2, it is characterised in that:Under the wind path switching device includes Exhaust outlet(20), third electric three passes air-valve(15), the first electric three passes air-valve(5)Pass through air duct and lower exhaust outlet(20)It is connected It is logical, third electric three passes air-valve(15)One end and the second electric three passes air-valve(12)One end be connected, third electric three passes Air-valve(15)One end be connected with exhaust outlet(14);Wind turbine(8)Air inlet electric heater is connected in turn by air duct (9), air filter(16)With electronic new air-valve(17), third electric three passes air-valve(15)One end by air duct with it is electronic new Air-valve(17)It is connected.
4. grain storage apparatus is dried in a kind of commutation as claimed in claim 3, it is characterised in that:The heat pump assembly includes that heat pump changes Hot device(10), heat pump heat exchanger(10)It is arranged in electric heater(9)With air filter(16)Between be connected air duct on;Heat pump Heat exchanger(10)Be arranged with solidifying water pond(7), solidifying water pond(7)Equipped with drainpipe, facilitates and condensed water is discharged.
5. grain storage apparatus is dried in a kind of commutation as claimed in claim 4, it is characterised in that:The heat pump assembly includes expansion valve Group(1), gas-liquid separator(2), device for drying and filtering(3), liquid storage device(4), four-way reversing valve(18), compressor(19);Compressor (19)Outlet and four-way reversing valve(18)Entrance by copper pipe be connected, four-way reversing valve(18)Outlet respectively with gas-liquid point From device(2)Entrance, heat pump heat exchanger(10)Outlet and another heat exchanger of heat pump outlet by copper pipe be connected;Heat pump changes Hot device(10)Entrance expansion valve group is connected in turn by copper pipe(1), device for drying and filtering(3)With liquid storage device(4).
6. grain storage apparatus is dried in a kind of commutation as claimed in claim 5, it is characterised in that:The control device includes control Device, the first frequency converter, the second frequency converter;Under send air port back to(6)It is provided with the first Temperature Humidity Sensor, is provided in drying room Two Temperature Humidity Sensors, above send air port back to(13)It is provided with third Temperature Humidity Sensor, controller is warm and humid with first by cable Sensor, the second Temperature Humidity Sensor, the connection of third Temperature Humidity Sensor signal are spent, controller passes through the first frequency converter and wind turbine (8)Electrical connection, controller pass through the second frequency converter and compressor(19)Electrical connection.
7. grain storage apparatus is dried in a kind of commutation as claimed in claim 6, it is characterised in that:Electric heater(9), air filter (16), electronic new air-valve(17), the first electric three passes air-valve(5), the second electric three passes air-valve(12), third electric three passes air-valve (15)Closed cavity is formed with air duct;First electric three passes air-valve(5), the second electric three passes air-valve(12), third electric three passes Air-valve(15)It is connected with controller signals by cable.
CN201820493559.6U 2018-04-09 2018-04-09 A kind of commutation drying grain storage apparatus Active CN208091182U (en)

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CN201820493559.6U CN208091182U (en) 2018-04-09 2018-04-09 A kind of commutation drying grain storage apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108317851A (en) * 2018-04-09 2018-07-24 成都朗博旺科技发展有限公司 A kind of commutation drying grain storage apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108317851A (en) * 2018-04-09 2018-07-24 成都朗博旺科技发展有限公司 A kind of commutation drying grain storage apparatus
CN108317851B (en) * 2018-04-09 2023-11-21 成都朗博旺科技发展有限公司 Reversing drying grain storage device

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