CN208720655U

CN208720655U - Grain drying device

Info

Publication number: CN208720655U
Application number: CN201821232776.6U
Authority: CN
Inventors: 陶亚平
Original assignee: Suzhou Agricultural Machinery Co Ltd
Current assignee: Suzhou Agricultural Machinery Co Ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2019-04-09
Anticipated expiration: 2028-08-01

Abstract

The utility model discloses grain drying devices, including drying tower (1), for providing the heat pump of hot wind to the drying tower (1), and the drying tower (1) is connected to the dust storage chamber (4) for collecting cereal dust through dust flue (2), air blower (3) are equipped between the arrival end and the drying tower (1) of the dust flue (2), the condenser (5) of the heat pump is arranged in the hot wind air-inlet cavity of the drying tower (1), evaporator (6) setting of the heat pump is in the dust flue (2), it is characterized by: the condenser (5) includes the multi-stage condensing device along air inlet direction arranged for interval in the hot wind air-inlet cavity, every first-stage condenser (5) is respectively connected to the evaporator (6).Hot wind efficiency can be improved in grain drying device provided by the utility model.

Description

Grain drying device

Technical field

The utility model relates to drying equipment technical field, in particular to a kind of grain drying device.

Background technique

Cereal is to need that cereal is dried from harvesting to the process of storage, in order to cereal following process or Person's long term storage.And the more traditional drying machine by burning fuel mode of crop dryer of heat-pump-type, pollute small, energy consumption Advantage low, at low cost is particularly evident, and therefore, the prior art already has more and more heat-pump-type crop dryers for substituting The drying machine of traditional burning fuel mode.

The grain drying machine of the prior art mainly includes heat pump and drying tower, and heat pump is by compressor by gaseous refrigeration The gaseous refrigerant of agent boil down to high temperature and pressure is then delivered to the liquid refrigerant after condenser heat dissipation as normal temperature high voltage, Heat that condenser distributes during this is delivered to granary by blower, and then liquid refrigerant is through capillary, into evaporator, Since refrigerant increases suddenly from space after capillary arrival evaporator, pressure reduces, and the refrigerant of liquid will vaporize, become The refrigerant of gaseous state low temperature, to absorb a large amount of heat.

Heat pump generates the hot wind air-inlet cavity that hot wind enters drying tower, and hot wind is through the air inlet hole on the side plate of hot wind air-inlet cavity two sides Cereal is dried in into cereal placed layer, then air-flow drains into collection through dust flue through the exhausting duct on the outside of cereal placed layer In dirt room, in actual use, temperature is reduced after hot wind enters hot wind air-inlet cavity, and hot blast temperature is not often able to satisfy grain-drying Demand.The utility model is therefore.

Utility model content

Based on the above issues, the utility model aim is to provide a kind of grain drying device, and the condenser of heat pump point is more Grade is arranged in hot wind air-inlet cavity, and every first-stage condenser is connect with the evaporator being arranged in dust discharge pipeline, improves heat Wind efficiency.

In order to solve the problems in the prior art, technical solution provided by the utility model is:

Grain drying device is connected to including drying tower, for the heat pump to drying tower offer hot wind and through dust flue To the drying tower with the dust storage chamber for collecting cereal dust, it is equipped between the arrival end of the dust flue and the drying tower Air blower, the condenser of the heat pump are arranged in the hot wind air-inlet cavity of the drying tower, and the evaporator setting of the heat pump exists In the dust flue, the condenser includes the multi-stage condensing device along air inlet direction arranged for interval in the hot wind air-inlet cavity, Every first-stage condenser is respectively connected to the evaporator.

In some embodiments, the evaporator is the first evaporator of level-one, the outlet first of every first-stage condenser Pipeline is connected to the import of first evaporator, and the outlet of first evaporator is connected to every level-one through second pipe and condenses The import of device, the first pipe are equipped with expansion valve, and the second pipe is equipped with compressor.

In some embodiments, the evaporator include be arranged in parallel along air-out direction and with the multi-stage condensing device pair The second evaporator of multistage answered, the outlet of every first-stage condenser are connected to the second evaporator of every level-one through first pipe respectively The outlet of import, the second evaporator of every level-one is connected to the import of every first-stage condenser, the first pipe through second pipe It is equipped with expansion valve, the second pipe is equipped with compressor.

In some embodiments, the evaporator include be arranged in series along air-out direction and with the multi-stage condensing device pair The multistage third evaporator answered, the outlet along every first-stage condenser of air inlet direction arrangement are sequentially connected to through first pipe respectively Along the import of every level-one third evaporator of air-out direction reversed arrangement, along the import of every first-stage condenser of air inlet direction arrangement The outlet of every level-one third evaporator along air-out direction reversed arrangement, first pipe are sequentially connected to through second pipe respectively Road is equipped with expansion valve, and the second pipe is equipped with compressor.

Compared with prior art, the utility model has the advantages that:

Using the technical solution of the utility model, divide the condenser of heat pump to multistage and along air inlet direction arranged for interval in heat In wind air-inlet cavity, and multi-stage condensing device is connected with the evaporator being arranged in dust discharge pipeline, is absorbed and arranged by evaporator Hot wind efficiency can be improved in waste heat in dirt pipeline, to improve grain-drying efficiency.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, and the drawings in the following description are merely some embodiments of the present invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.

Fig. 1 is the structural schematic diagram of the utility model grain drying device embodiment；

Fig. 2 is a kind of structural schematic diagram of heat pump in the utility model embodiment；

Fig. 3 is the structural schematic diagram of second of heat pump of the utility model embodiment；

Fig. 4 is the structural schematic diagram of the third heat pump of the utility model embodiment；

Wherein:

1, drying tower；1-1, air inlet；

2, dust flue 2-1, the first connecting tube；2-2, curve bend；2-3, third connecting tube；

3, air blower；

4, dust storage chamber；

5, condenser；

6, evaporator 6-1, the first evaporator 6-2, the second evaporator 6-3, third evaporator；

7, expansion valve；

8, compressor；

9, supporting steel pipe；

10, pedestal；

11, water supplying pipe；

12, spray thrower

13, first pipe；

14, second pipe.

Specific embodiment

Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating The utility model and be not limited to limitation the scope of the utility model.Implementation condition used in the examples can be according to specific producer Condition do further adjustment, the implementation condition being not specified is usually the condition in routine experiment.

Referring to Fig. 1, it is the structural schematic diagram of the utility model embodiment, a kind of grain drying device is provided comprising dries Dry tower 1 is connected to drying tower 1 for collecting cereal dust for the heat pump to the offer hot wind of drying tower 1 and through dust flue 2 Dust storage chamber 4, air blower 3 is equipped between the arrival end and drying tower 1 of dust flue 2, the condenser 5 of heat pump is arranged in drying tower In 1 hot wind air-inlet cavity, it is equipped with air inlet 1-1 on drying tower 1 and is connected to hot wind air-inlet cavity, the setting of evaporator 6 of heat pump exists In dust flue 2, in order to improve drying efficiency, the characteristics of the utility model is: condenser 5 includes along air inlet direction arranged for interval Hot wind air-inlet cavity in multi-stage condensing device, in this example, by taking three-level condenser as an example, every first-stage condenser 5 is respectively connected to steam Send out device 6.

In implementation, dust flue 2 includes the first connecting tube 2-1, curve bend 2-2 and horizontally disposed second connecting tube 2-3, First connecting tube 2-1 is connected to the air outlet of air blower 3, and the second connecting tube 2-3 is connected to dust storage chamber 4, and evaporator 6 is arranged in arc The linkage section of shape bend pipe 2-2 and the second connecting tube 2-3.

Evaporator 6 is fixed on supporting steel pipe 9, and supporting steel pipe 9 passes through the company of curve bend 2-2 and the second connecting tube 2-3 It connects section and is fixed on pedestal 10, the linkage section of supporting steel pipe 9 and curve bend 2-2 and the second connecting tube 2-3 are tightly connected.

In order to advanced optimize the implementation result of the utility model, supporting steel pipe 9 stretches out the top of evaporator 6, is supporting The top of steel pipe 9 is equipped with spray thrower 12, water supplying pipe 11 is connected in the lower part of supporting steel pipe 9, by accomplished continuously or intermittently opening spray Device 12 is drenched, on the one hand can play the role of the cleaning action to evaporator 6, depositing dust on the other hand is played to drying tower 1.

In the case where winter or cold weather, if spray thrower sprays cold water to evaporator 6, evaporator 6 may be influenced Working efficiency, water supplying pipe 11 can also be connected to thermal water source in this example, the work of evaporator 6 can be improved by spraying hot water Make efficiency, also by the temperature and flow of adjusting hot water to adjust the temperature in drying tower 1.

It referring to fig. 2, is a kind of structural schematic diagram of heat pump, wherein evaporator 6 is the first evaporator 6-1 of level-one, each The outlet of grade condenser 5 is connected to the import of the first evaporator 6-1 through first pipe 13, the outlet of the first evaporator 6-1 the Two pipelines 14 are connected to the import of every first-stage condenser 5, and expansion valve 7 is equipped in first pipe 13, and second pipe 14 is equipped with Compressor 8.

It is the structural schematic diagram of second of heat pump referring to Fig. 3, evaporator 6 includes being arranged in parallel along air-out direction and with three Corresponding the second evaporator of the three-level 6-2 of grade condenser, the outlet of every first-stage condenser 5 is connected to through first pipe 13 each respectively The import of second evaporator 6-2 of grade, it is cold that the outlet of the second evaporator 6-2 of every level-one through second pipe 14 is connected to every level-one The import of condenser 5 is equipped with expansion valve in first pipe 13, and compressor 8 is equipped on second pipe 14.

It referring to fig. 4, is the structural schematic diagram of the third heat pump, evaporator 6 includes being arranged in series along air-out direction and with three The corresponding three-level third evaporator 6-3 of grade condenser, the outlet for the every first-stage condenser 5 arranged along air inlet direction is respectively through first Pipeline 13 is sequentially connected to the import of every level-one third evaporator 6-3 along air-out direction reversed arrangement, along air inlet direction arrangement The import of every first-stage condenser 5 every level-one third along air-out direction reversed arrangement is sequentially connected to through second pipe 14 respectively The outlet of evaporator 6-3 is equipped with expansion valve 7 in first pipe 13, and compressor 8 is equipped on second pipe 14.

Examples detailed above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with technique People is can to understand the content of the utility model and implement accordingly, is not limited the protection scope of the present invention.It is all According to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the protection scope of the utility model it It is interior.

Claims

1. grain drying device, including drying tower (1), for providing the heat pump of hot wind to the drying tower (1) and through dust flue (2) drying tower (1) is connected to the dust storage chamber (4) for collecting cereal dust, the arrival end of the dust flue (2) and institute It states and is equipped with air blower (3) between drying tower (1), condenser (5) setting of the heat pump is entered the wind in the hot wind of the drying tower (1) Intracavitary, evaporator (6) setting of the heat pump is in the dust flue (2), it is characterised in that: the condenser (5) includes edge Multi-stage condensing device of the direction arranged for interval in the hot wind air-inlet cavity is entered the wind, every first-stage condenser (5) is respectively connected to described Evaporator (6).

2. grain drying device according to claim 1, it is characterised in that: the evaporator (6) is the first steaming of level-one It sends out device (6-1), the outlet of every first-stage condenser (5) is connected to the import of first evaporator (6-1) through first pipe (13), The outlet of first evaporator (6-1) is connected to the import of every first-stage condenser (5), first pipe through second pipe (14) Road (13) is equipped with expansion valve (7), and the second pipe (14) is equipped with compressor (8).

3. grain drying device according to claim 1, it is characterised in that: the evaporator (6) includes along air-out direction It is arranged in parallel and multistage second evaporator (6-2) corresponding with the multi-stage condensing device, the outlet of every first-stage condenser (5) is distinguished The import of the second evaporator (6-2) of every level-one is connected to through first pipe (13), the second evaporator (6-2) of every level-one goes out Mouth is connected to the import of every first-stage condenser (5) through second pipe (14), and the first pipe (13) is equipped with expansion valve (7), The second pipe (14) is equipped with compressor (8).

4. grain drying device according to claim 1, it is characterised in that: the evaporator (6) includes along air-out direction It is arranged in series and multistage third evaporator (6-3) corresponding with the multi-stage condensing device, every level-one along air inlet direction arrangement is cold The outlet of condenser (5) is sequentially connected to every level-one third evaporator along air-out direction reversed arrangement through first pipe (13) respectively The import of (6-3), the import along every first-stage condenser (5) of air inlet direction arrangement are sequentially connected to through second pipe (14) respectively Along the outlet of every level-one third evaporator (6-3) of air-out direction reversed arrangement, the first pipe (13) is equipped with expansion valve (7), the second pipe (14) is equipped with compressor (8).