CN217303385U

CN217303385U - Heat pump total heat recovery grain drying system

Info

Publication number: CN217303385U
Application number: CN202220996826.8U
Authority: CN
Inventors: 王琳玉; 李耀全; 黄鹏
Original assignee: JIANGSU SIMPSON NEW ENERGY CO Ltd
Current assignee: JIANGSU SIMPSON NEW ENERGY CO Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-26
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a full heat recovery grain drying system of heat pump belongs to heat pump drying-machine technical field, this drying system includes stoving room and grey room, be equipped with the hot-blast unit of air source heat pump in the stoving room, a drying-machine for drying grain, a second fan that is used for discharging the interior humid and hot air of drying-machine and is used for supplying air to the hot-blast unit of air source heat pump, be equipped with the deposit room in the grey room and the dust remover of being connected with the deposit room, the hot-blast unit of air source heat pump is connected with the drying-machine through first tuber pipe, first fan passes through the second tuber pipe and is connected with the deposit room, the dust remover passes through the third tuber pipe and is connected with the second fan. The utility model carries out total heat recovery to the heat in the discharged air; the dust room effectively filters dust and impurities in damp and hot air discharged by the dryer; the fin evaporator of the air source heat pump hot air unit has no frosting, defrosting is not needed, and the heating effect of the unit is improved.

Description

Heat pump total heat recovery grain drying system

Technical Field

The utility model belongs to the technical field of the heat pump drying-machine, concretely relates to heat pump total heat recovery grain drying system.

Background

Grain is dried to be a common processing mode to grain, and current air source grain drying system adopts new trend system or partial heat recovery system more, when the low fin evaporator of ambient temperature frosts, needs the defrosting, causes the waste of the energy. A primary filter screen or a bag dust removal technology is mostly adopted in an exhaust system, dust and impurities in exhaust air of the grain dryer cannot be effectively filtered, the dust and the impurities are discharged into the air to pollute the atmosphere, and environmental protection supervision is carried out.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: to the above-mentioned problem that exists among the prior art, the utility model aims to solve the technical problem that a heat pump total heat recovery grain drying system solves energy waste and pollutes serious problem in current grain is dried.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a heat pump total heat recovery grain drying system, includes stoving room and grey room, be equipped with the hot-blast unit of air source heat pump in the stoving room, be used for drying the drying-machine of grain, be used for discharging the first fan of damp and hot air in the drying-machine and be used for to the second fan of air supply in the hot-blast unit of air source heat pump, be equipped with the deposit room in the grey room and with the dust remover that the deposit room is connected, the hot-blast unit of air source heat pump through first tuber pipe with the drying-machine is connected, first fan pass through the second tuber pipe with the deposit room is connected, the dust remover pass through the third tuber pipe with the second fan is connected.

Preferably, a plurality of baffle plates are arranged in the settling chamber, and the damp and hot air discharged by the dryer enters the dust remover after being baffled by the baffle plates.

Preferably, the baffle comprises a first baffle plate arranged on the top wall of the settling chamber and a second baffle plate arranged on the bottom wall of the settling chamber.

Preferably, a filter screen is arranged on the top wall of the settling chamber, and the dust remover is connected with the settling chamber through the filter screen.

Preferably, the air source heat pump hot air unit comprises a fin evaporator and a fin condenser, and the air outlet flow of the second fan sequentially passes through the fin evaporator and the fin condenser.

Preferably, an air supplementing opening is formed in the ash room.

Has the beneficial effects that: compared with the prior art, the utility model has the advantages of it is following: 1. processing damp and hot air discharged by a dryer and then refluxing the processed damp and hot air to an air source heat pump hot air unit, and performing total heat recovery on heat in the discharged air; 2. the ash room adopts a multiple self-weight sedimentation filtering technology and a pulse dust removal high-efficiency filtering technology, and effectively filters dust and impurities in the damp and hot air discharged by the dryer; 3. the fin evaporator of the air source heat pump hot air unit has no frosting, defrosting is not needed, and the heating effect of the unit is improved.

Drawings

Fig. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 is a schematic view of an air inlet structure of the gray room of the embodiment;

FIG. 3 is a schematic view of an air outlet structure of the ash room of the embodiment.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, a heat pump total heat recovery grain drying system comprises a drying room 1 and an ash room 2, wherein an air source heat pump hot air unit 3, a dryer 4, a first fan 5 and a second fan 6 are arranged in the drying room 1, a settling chamber 7 and a dust remover 8 are arranged in the ash room 2, and the air source heat pump hot air unit 3 comprises a fin evaporator 31 and a fin condenser 32. When the air source heat pump hot air unit 3 works, the fin condenser 32 heats passing air flow, the air source heat pump hot air unit 3 is connected with the dryer 4 through the first air pipe 91, the heated air flow enters the dryer 4 to dry grains inside, humid and hot air in the dryer 4 is discharged through the first fan 5, the first fan 5 is connected with the settling chamber 7 through the second air pipe 92, the humid and hot air with dust is sent into the settling chamber 7, the humid and hot air is settled by self weight and then is dedusted by the deduster 8, the deduster 8 is connected with the second fan 6 through the third air pipe 93, the second fan 6 is connected with the air source heat pump unit 3 through the fourth air pipe 94, the air flow after dedusting returns to the air source heat pump hot air unit 3 under the action of the second fan 6, is dehumidified by the fin evaporator 31 and then is reheated by the fin condenser 32, the air flow after being heated enters the dryer 4 to be dried by the grains, the operation is repeated in a circulating way.

As shown in fig. 1, the air source heat pump hot air unit 3 includes a fin evaporator 31 and a fin condenser 32 (other compressors and expansion valves and other components are not shown in the figures), the wet and hot air after dust removal enters the air source heat pump hot air unit 3 under the action of the second fan 6, the air outlet flow of the second fan 6 sequentially passes through the fin evaporator 31 and the fin condenser 32, the wet and hot air is cooled and dehumidified by passing through the fin evaporator 31 to remove moisture in the air, meanwhile, the fin evaporator 31 does not frost due to heat exchange with the hot air, defrosting is not needed, the temperature of the wet and hot air after dehumidification is higher, when passing through the fin condenser 32, reheating is rapid, the unit energy consumption is reduced, and the heating effect and the heating efficiency of the unit are improved.

As shown in fig. 2 and 3, the ash room 2 is divided into an upper layer and a lower layer, the lower layer is a settling chamber 7, the upper layer is provided with a dust collector 8, the top wall of the settling chamber 7 is provided with a filter screen 72, the air flow in the settling chamber 7 passes through the filter screen 72 and then enters the dust collector 8, the settling chamber 7 is provided with a plurality of baffle plates 71, each baffle plate 71 comprises a first baffle plate 711 arranged on the top wall of the settling chamber 7 and a second baffle plate 712 arranged on the bottom wall of the settling chamber 7, the first baffle plate 711 and the second baffle plate 712 are arranged at intervals, and after the damp and hot air exhausted from the dryer 4 enters the settling chamber 7, under the action of the baffle plate, the upper and lower baffling moves forward, impurities carried in the hot and humid air are filtered through the principle of multiple turning and speed reduction, the impurities subjected to multiple self-weight sedimentation are baffled by the baffle plate 71 and then enter the dust remover 8, and the dust remover 8 adopts the conventional pulse dust remover to further remove dust and impurities in the hot and humid air efficiently. An air supply opening 21 is arranged on the ash room 2, and fresh air can be introduced into the third air pipe 93 to supplement the air quantity when the outdoor temperature is higher.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A heat pump total heat recovery grain drying system is characterized by comprising a drying room (1) and an ash room (2), an air source heat pump hot air unit (3), a dryer (4) for drying grains, a first fan (5) for discharging damp and hot air in the dryer (4) and a second fan (6) for supplying air into the air source heat pump hot air unit (3) are arranged in the drying room (1), a settling chamber (7) and a dust remover (8) connected with the settling chamber (7) are arranged in the ash room (2), the air source heat pump hot air unit (3) is connected with the dryer (4) through a first air pipe (91), the first fan (5) is connected with the settling chamber (7) through a second air pipe (92), and the dust remover (8) is connected with the second fan (6) through a third air pipe (93).

2. The heat pump total heat recovery grain drying system according to claim 1, wherein a plurality of baffle plates (71) are arranged in the settling chamber (7), and the hot and humid air exhausted from the dryer (4) enters the dust remover (8) after being baffled by the baffle plates (71).

3. The heat pump total heat recovery grain drying system of claim 2, characterized in that the baffle plate (71) comprises a first baffle plate (711) disposed at the top wall of the settling chamber (7) and a second baffle plate (712) disposed at the bottom wall of the settling chamber (7).

4. The heat pump total heat recovery grain drying system according to claim 3, characterized in that a filter screen (72) is arranged on the top wall of the settling chamber (7), and the dust collector (8) is connected with the settling chamber (7) through the filter screen (72).

5. The heat pump total heat recovery grain drying system according to claim 1, wherein the air source heat pump hot air unit (3) comprises a fin evaporator (31) and a fin condenser (32), and the air flow of the second fan (6) passes through the fin evaporator (31) and the fin condenser (32) in sequence.

6. The heat pump total heat recovery grain drying system according to claim 1, wherein an air supply opening (21) is arranged on the ash room (2).