CN218238306U

CN218238306U - Heat pump type grain drying machine with waste heat recovery function

Info

Publication number: CN218238306U
Application number: CN202222077313.XU
Authority: CN
Inventors: 王文进
Original assignee: Anhui Tianlong Beige Technology Co ltd
Current assignee: Anhui Tianlong Beige Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-06
Anticipated expiration: 2032-08-09

Abstract

The application relates to a heat pump type grain dryer with a waste heat recovery function, which comprises a grain dryer body, wherein the grain dryer body is provided with an inlet pipe and a discharge pipe; through the setting of liquid circulation return circuit, can carry out waste heat recovery with the heat that grain drying-machine body gived off when drying grain, can carry out waste heat recovery to grain drying-machine body exhaust hot-blast, and transmit the waste heat that first spiral pipe and second spiral pipe liquid were retrieved to the outer wall of air-supply line, thereby heat up the air that the heat pump body was inhaled, the energy that the heat pump body heaied up and consumeed the air has been reduced, can the energy can be saved, good recycle has been carried out to the waste heat.

Description

Heat pump type grain drying machine with waste heat recovery function

Technical Field

The application relates to the technical field of waste heat recovery, in particular to a heat pump type grain dryer with a waste heat recovery function.

Background

The grain dryer is a hot air drying box, adopts a rotary heating device, can generate a large amount of hot air in a short time, can kill eggs through high-temperature treatment, thoroughly solves the problem of grain drying, and is a high-efficiency energy-saving device which fully utilizes low-grade heat energy; heat can be spontaneously transferred from a high-temperature object to a low-temperature object, and a heat pump type grain dryer is one of the dryers.

When the existing partial heat pump type grain dryer dries grains and exhausts air, the heat emitted by the grain dryer is generally directly discharged, and the waste heat is inconvenient to recycle. Accordingly, those skilled in the art have provided a heat pump type grain dryer having a waste heat recovery function to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems proposed in the background art described above, the present application provides a heat pump type grain dryer having a waste heat recovery function.

The application provides a heat pump type grain drying-machine with waste heat recovery function adopts following technical scheme:

the utility model provides a heat pump type grain drying-machine with waste heat recovery function, includes the grain drying-machine body, and is equipped with inlet pipe and discharging pipe on the grain drying-machine body, one side of grain drying-machine body is equipped with the heat pump body, and one side of heat pump body is equipped with the air-supply line, be equipped with out the tuber pipe between heat pump body and the grain drying-machine body, one side of grain drying-machine body is equipped with the exhaust pipe, the outside of grain drying-machine body is equipped with first spiral pipe, and is equipped with the second spiral pipe on the exhaust pipe, be equipped with the third spiral pipe on the air-supply line.

Through adopting the above technical scheme, first spiral pipe spiral is around the outer wall at grain drying-machine body, can carry out waste heat recovery to the heat that grain drying-machine body gived off when drying to grain, second spiral pipe spiral is around the outer wall at the exhaust pipe, can carry out waste heat recovery to grain drying-machine body exhaust hot-blast, the air intake pipe outer wall on the heat pump body is surrounded to the third spiral pipe spiral, setting through the circulating pump, can be with the waste heat transfer to the outer wall of air-supply line that liquid retrieved in first spiral pipe and the second spiral pipe, thereby heat up the air that the heat pump body inhales, the energy that the heat pump body heaies up the air and consumes has been reduced, can the energy can be saved, good recycle has been carried out to the waste heat.

Preferably, the first connecting pipe is communicated between the first spiral pipe and the third spiral pipe, the second connecting pipe is communicated between the second spiral pipe and the third spiral pipe, and the circulating pump is arranged on the second connecting pipe.

Through adopting above-mentioned technical scheme, the circulating pump can be convenient for the circular transportation of liquid in the liquid circulation return circuit.

Preferably, the first spiral pipe, the second spiral pipe, the third spiral pipe, the first connecting pipe, the second connecting pipe and the circulating pump form a liquid circulation loop.

Through adopting above-mentioned technical scheme, can be convenient for the waste heat recovery of grain drying-machine body.

Preferably, one end of the outer circumference side of the exhaust duct, which is far away from the grain dryer body, is provided with a threaded part.

Through adopting above-mentioned technical scheme, screw thread portion and screw ring can be convenient for dismantle the filter screen.

Preferably, threaded part threaded connection has the screw ring, and the screw ring is kept away from one side outer wall of exhaust pipe and is installed the filter screen.

Through adopting above-mentioned technical scheme, the filter screen then can filter the gas that grain drying-machine body combustion gas reduces the pollution to the surrounding environment.

To sum up, the application comprises the following beneficial technical effects:

through the setting of liquid circulation return circuit, can carry out waste heat recovery with the heat that grain drying-machine body gived off when drying grain, can carry out waste heat recovery to grain drying-machine body exhaust hot-blast, and transmit the waste heat that first spiral pipe and second spiral pipe liquid were retrieved to the outer wall of air-supply line, thereby heat up the air that the heat pump body was inhaled, the energy that the heat pump body heaied up and consumeed the air has been reduced, can the energy can be saved, good recycle has been carried out to the waste heat.

Drawings

Fig. 1 is a schematic structural diagram of a heat pump type grain dryer having a waste heat recovery function in an embodiment of the present application;

FIG. 2 is a schematic diagram of a liquid circulation circuit according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a threaded ring in an embodiment of the present application.

Description of the reference numerals: 1. a grain dryer body; 11. a feed pipe; 12. a discharge pipe; 13. an exhaust duct; 2. a heat pump body; 21. an air inlet pipe; 22. an air outlet pipe; 3. a threaded portion; 31. a threaded ring; 32. filtering with a screen; 4. a liquid circulation loop; 41. a first spiral pipe; 42. a second spiral pipe; 43. a third spiral pipe; 44. a first connecting pipe; 45. a second connecting pipe; 46. and a circulating pump.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a heat pump type grain drying machine with a waste heat recovery function. Referring to fig. 1-3, a heat pump type grain dryer with waste heat recovery function includes a grain dryer body 1, and the grain dryer body 1 is provided with an inlet pipe 11 and an outlet pipe 12, one side of the grain dryer body 1 is provided with a heat pump body 2, and one side of the heat pump body 2 is provided with an air inlet pipe 21, an air outlet pipe 22 is provided between the heat pump body 2 and the grain dryer body 1, one side of the grain dryer body 1 is provided with an exhaust pipe 13, the grain dryer body 1 is provided with a first spiral pipe 41 outside, and the exhaust pipe 13 is provided with a second spiral pipe 42, and the air inlet pipe 21 is provided with a third spiral pipe 43.

Referring to fig. 1-2, a first connecting pipe 44 is communicated between the first spiral pipe 41 and the third spiral pipe 43, a second connecting pipe 45 is communicated between the second spiral pipe 42 and the third spiral pipe 43, and a circulating pump 46 is arranged on the second connecting pipe 45; the first spiral pipe 41, the second spiral pipe 42, the third spiral pipe 43, the first connecting pipe 44, the second connecting pipe 45 and the circulating pump 46 form a liquid circulation loop 4, which can facilitate the recycling of the waste heat of the grain dryer body 1.

Referring to fig. 1 and 3, a threaded portion 3 is provided at one end of the outer circumferential side of the exhaust duct 13 away from the grain dryer body 1; threaded portion 3 threaded connection has threaded ring 31, and threaded ring 31 keeps away from one side outer wall of exhaust pipe 13 and installs filter screen 32, can dismantle filter screen 32, and filter screen 32 then can filter grain drying-machine body 1 combustion gas, reduces the pollution to the surrounding environment.

The implementation principle of the heat pump type grain dryer with the waste heat recovery function in the embodiment of the application is as follows: the grain dryer body 1, the feeding pipe 11, the discharging pipe 12, the exhaust pipe 13, the heat pump body 2, the air inlet pipe 21 and the air outlet pipe 22 are made of heat-conducting materials, the grain dryer body 1, the heat pump body 2 and the circulating pump 46 are electrically connected with an external power supply through wires, the first spiral pipe 41, the second spiral pipe 42 and the third spiral pipe 43 are respectively attached to the outer walls of the grain dryer body 1, the exhaust pipe 13 and the air inlet pipe 21, and liquid in the liquid circulation loop 4 can be heat-conducting liquid such as heat-conducting oil;

during the use, through the outer wall at first spiral pipe 41 spiral ring around grain drying-machine body 1, can carry out waste heat recovery to the heat that grain drying-machine body 1 gived off when drying grain, through the outer wall at second spiral pipe 42 spiral ring around exhaust pipe 13, can carry out waste heat recovery to grain drying-machine body 1 exhaust hot-blast, through third spiral pipe 43 spiral ring around air-supply line 21 outer wall on heat pump body 2, through the setting of circulating pump 46, can transmit the waste heat that the interior liquid of first spiral pipe 41 and second spiral pipe 42 was retrieved to the outer wall of air-supply line 21, thereby heat up the air that heat pump body 2 was inhaled, the energy that heat pump body 2 heaied up the air and consumeed has been reduced, can the energy can be saved, good recycle has been carried out to the waste heat, through screw thread portion 3 and screw ring 31's setting, can dismantle the cleanness to filter screen 32, filter screen 32 then can filter the gas that grain drying-machine body 1 discharged, reduce the pollution of the dust in the gas to the surrounding environment.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heat pump type grain drying-machine with waste heat recovery function, includes grain drying-machine body (1), and is equipped with inlet pipe (11) and discharging pipe (12) on grain drying-machine body (1), its characterized in that: one side of grain drying-machine body (1) is equipped with heat pump body (2), and one side of heat pump body (2) is equipped with air-supply line (21), be equipped with out tuber pipe (22) between heat pump body (2) and grain drying-machine body (1), one side of grain drying-machine body (1) is equipped with exhaust pipe (13), the outside of grain drying-machine body (1) is equipped with first spiral pipe (41), and is equipped with second spiral pipe (42) on exhaust pipe (13), be equipped with third spiral pipe (43) on air-supply line (21).

2. A heat pump type grain dryer with a waste heat recovery function according to claim 1, characterized in that: the intercommunication has first connecting pipe (44) between first spiral pipe (41) and third spiral pipe (43), the intercommunication has second connecting pipe (45) between second spiral pipe (42) and third spiral pipe (43), and is equipped with circulating pump (46) on second connecting pipe (45).

3. A heat pump type grain dryer with a waste heat recovery function according to claim 2, characterized in that: the first spiral pipe (41), the second spiral pipe (42), the third spiral pipe (43), the first connecting pipe (44), the second connecting pipe (45) and the circulating pump (46) form a liquid circulating loop (4).

4. A heat pump type grain dryer having a waste heat recovery function according to claim 1, wherein: and a threaded part (3) is arranged at one end of the peripheral side of the exhaust pipe (13) far away from the grain dryer body (1).

5. A heat pump type grain dryer having a waste heat recovery function according to claim 4, wherein: thread portion (3) threaded connection has screw ring (31), and screw ring (31) keep away from one side outer wall of exhaust pipe (13) and install filter screen (32).