CN211476291U

CN211476291U - Heat source pump and material drying system

Info

Publication number: CN211476291U
Application number: CN201922278822.7U
Authority: CN
Inventors: 袁善锋; 马媛媛; 冯业凯; 冯立民; 冯业龙
Original assignee: Jinan Zhuoheng Extrusion Machinery Co ltd
Current assignee: Jinan Zhuoheng Extrusion Machinery Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-11
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a heat source supply apparatus technical field especially relates to a heat source pump and material drying system. The heat source pump comprises a combustor, a first heat exchanger, a second heat exchanger and a fan, wherein the first heat exchanger is provided with a smoke exhaust channel and an air inlet channel which can exchange heat with each other, and the second heat exchanger is provided with a combustion cavity and an air exhaust cavity which can exchange heat with each other; the combustor is used for spraying flame into the combustion cavity, and the combustion cavity is communicated with the smoke exhaust channel; one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with an air inlet of the fan; the air outlet of the fan is communicated with the air exhaust cavity, and the second heat exchanger is provided with an air outlet communicated with the air exhaust cavity. The material drying system comprises the heat source pump. The utility model provides a heat source pump and material drying system can be through the secondary heat transfer, more fully utilizes the heat that the combustor burning produced, has improved the thermal efficiency, and is more energy-conserving, does benefit to the environmental protection.

Description

Heat source pump and material drying system

Technical Field

The utility model relates to a heat source supply apparatus technical field especially relates to a heat source pump and material drying system.

Background

The heat source pump is equipment for providing high-temperature air, and can be used for providing hot air for the material drying device so as to dry materials.

The existing heat source pump generally directly contacts external cold air with high-temperature gas in a combustion chamber for heat exchange to obtain high-temperature air, and the high-temperature air is supplied to a material drying device for use; the existing heat source pump has low heat efficiency and large energy consumption, and is not beneficial to environmental protection.

In summary, it is an urgent technical problem to be solved by those skilled in the art to overcome the above-mentioned drawbacks of the existing heat source pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat source pump and material drying system to the thermal efficiency that the heat source pump exists among the alleviating prior art is low, and the power consumption is big, is unfavorable for the technical problem of environmental protection.

The utility model provides a heat source pump comprises a burner, a first heat exchanger, a second heat exchanger and a fan, wherein the first heat exchanger is provided with a smoke exhaust channel and an air inlet channel which can exchange heat with each other, and the second heat exchanger is provided with a combustion cavity and an air exhaust cavity which can exchange heat with each other;

the burner is used for spraying flame into the combustion cavity, and the combustion cavity is communicated with the smoke exhaust channel; one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with an air inlet of the fan; the air outlet of the fan is communicated with the air exhaust cavity, and the second heat exchanger is provided with an air outlet communicated with the air exhaust cavity.

Preferably, as an implementation mode, the second heat exchanger comprises an outer cylinder body with two closed ends and an inner cylinder body with two closed ends, and the inner cylinder body is positioned in the outer cylinder body;

the cavity that interior barrel encloses is the burning chamber, outer barrel with the cavity between the interior barrel is the exhaust chamber, the air exit is seted up the tip of interior barrel.

Preferably, as an implementation mode, the outer cylinder and the inner cylinder are coaxially arranged;

and/or the air outlet and the air outlet of the fan are respectively positioned at two ends of the outer cylinder body.

Preferably, as an implementable mode, the combustor is arranged at the end part of the inner cylinder, the air outlet of the fan is communicated with one end of the outer cylinder, which deviates from the combustor, and the air outlet is positioned at one end, which is close to the combustor, of the outer cylinder.

Preferably, as an implementation mode, a spiral air deflector is arranged on the inner cylinder in a surrounding manner, and the spiral air deflector and the outer wall of the inner cylinder are arranged at an included angle.

Preferably, as an embodiment, the outer cylinder forms a structure for insulating the exhaust chamber.

Preferably, as an embodiment, the smoke evacuation channel communicates with the combustion chamber at a position where the combustion chamber is close to the outer flame of the flame.

Preferably, as an implementation mode, the first heat exchanger comprises a shell and a cooling fin with an internal cavity, the internal cavity of the cooling fin forms the smoke exhaust channel, and a cavity between the shell and the cooling fin is the air inlet channel.

Preferably, as an implementation mode, a filtering structure for filtering smoke is arranged in the smoke exhaust channel.

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

the utility model provides a heat source pump mainly comprises a burner, a first heat exchanger, a second heat exchanger and a fan, wherein, the first heat exchanger is provided with a smoke exhaust channel and an air inlet channel which can exchange heat mutually, the second heat exchanger is provided with a combustion chamber and an air exhaust chamber which can exchange heat mutually, the burner can spray flame into the combustion chamber, and the combustion chamber is communicated with the smoke exhaust channel; one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with an air inlet of the fan; the air outlet of the fan is communicated with the air exhaust cavity, and the second heat exchanger is provided with an air outlet communicated with the air exhaust cavity.

When the heat source pump provided by the utility model works, the burner can spray high-temperature flame (the flame can be obtained by igniting the mixture of fuel and air) into the combustion chamber, and the high-temperature flame sprayed into the combustion chamber can lead the temperature in the combustion chamber to rise; the flame in the combustion chamber generates flue gases during combustion, which are discharged via the flue gas channel. Meanwhile, the fan can suck external cold air from a cold air inlet of the air inlet channel, the cold air entering the air inlet channel can exchange heat with high-temperature flue gas in the smoke exhaust channel, and at the moment, the cold air entering the heat source pump from the outside absorbs the heat of the high-temperature flue gas in the smoke exhaust channel, so that the first heat exchange temperature rise is obtained; air after the first heat exchange and temperature rise can enter the fan under the suction effect of the fan and is blown into the air exhaust cavity by the fan, the air entering the air exhaust cavity can exchange heat with high-temperature gas in the combustion cavity, at the moment, cold air entering the heat source pump from the outside can absorb heat of the high-temperature gas in the combustion cavity to obtain second heat exchange and temperature rise, and the outside cold air is heated through twice heat exchange to obtain hot air and finally can be exhausted from an air outlet in the air exhaust cavity to be used in subsequent processes.

Therefore, the utility model provides a heat source pump can make external cold air in proper order with the high temperature flue gas in the exhaust passage and the high temperature gas heat transfer in the combustion chamber, through the secondary heat transfer, more fully utilize the heat that the combustor burning produced, improved the thermal efficiency, it is more energy-conserving, do benefit to the environmental protection.

The utility model provides a material drying system, including above-mentioned heat source pump.

Therefore, the utility model provides a material drying system has all advantages of above-mentioned heat source pump, can make external cold air in proper order with the high temperature flue gas in the exhaust passage and the high-temperature gas heat transfer in the combustion chamber, through the secondary heat transfer, more fully utilized the heat that the combustor burning produced, improved the thermal efficiency, it is more energy-conserving, do benefit to the environmental protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a heat source pump according to an embodiment of the present invention;

fig. 2 is a perspective schematic structural diagram of a heat source pump according to an embodiment of the present invention.

Icon: 100-a burner;

200-a first heat exchanger; 210-a housing; 211-cold air inlet; 220-a heat sink;

300-a second heat exchanger; 310-an outer cylinder; 320-inner cylinder; 321-an air outlet; 330-spiral wind deflector;

400-a fan;

500-air duct.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1, the heat source pump provided in this embodiment mainly includes a burner 100, a first heat exchanger 200, a second heat exchanger 300, and a fan 400, where the first heat exchanger 200 has a smoke exhaust channel and an air intake channel capable of exchanging heat with each other, the second heat exchanger 300 has a combustion chamber and an air exhaust chamber capable of exchanging heat with each other, the burner 100 can spray flame into the combustion chamber, and the combustion chamber is communicated with the smoke exhaust channel; one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with an air inlet of the fan 400; an air outlet of the fan 400 is communicated with the air exhaust cavity, and an air outlet 321 communicated with the air exhaust cavity is formed in the second heat exchanger 300.

When the heat source pump provided by the embodiment is operated, the burner 100 can inject high-temperature flame (the flame can be obtained by igniting a mixture of fuel and air) into the combustion chamber, and the high-temperature flame injected into the combustion chamber can increase the temperature in the combustion chamber; the flame in the combustion chamber generates flue gases during combustion, which are discharged via the flue gas channel. Meanwhile, the fan 400 can suck external cold air from the cold air inlet 211 of the air inlet channel, the cold air entering the air inlet channel can exchange heat with high-temperature flue gas in the smoke exhaust channel, and at the moment, the cold air entering the heat source pump from the outside absorbs heat of the high-temperature flue gas in the smoke exhaust channel, so that the first heat exchange temperature rise is obtained; air after the first heat exchange and temperature rise can enter the fan 400 under the suction effect of the fan 400 and is blown into the air exhaust cavity by the fan 400, the air entering the air exhaust cavity can exchange heat with high-temperature gas in the combustion cavity, at the moment, cold air entering the heat source pump from the outside just absorbs the heat of the high-temperature gas in the combustion cavity, the second heat exchange and temperature rise are obtained, the hot air obtained by the external cold air after the two heat exchange and temperature rise is finally exhausted from the air outlet 321 in the air exhaust cavity, and the hot air is used in the subsequent process.

Therefore, the heat source pump that this embodiment provided can make external cold air in proper order with the high temperature flue gas in the exhaust passage and the high temperature gas heat transfer in the combustion chamber, through the secondary heat transfer, more fully utilized the heat that the burning of combustor 100 produced, improved the thermal efficiency, it is more energy-conserving, do benefit to the environmental protection.

Referring to fig. 1 and 2, the second heat exchanger 300 includes an outer cylinder 310 with two closed ends and an inner cylinder 320 with two closed ends, and a cavity surrounded by the inner cylinder 320 is a combustion chamber, which is connected to the burner 100; the inner cylinder 320 is located inside the outer cylinder 310, such that a cavity, i.e., an exhaust cavity, is formed between the inner cylinder 320 and the outer cylinder 310, and the exhaust port 321 may be opened at an end of the inner cylinder 320.

It should be noted that, the structure that the combustion chamber is surrounded by the exhaust chamber can reduce the heat dissipated from the combustion chamber to the external environment, thereby reducing heat loss, enabling the air in the exhaust chamber to obtain more heat, and further improving the heat exchange efficiency of the second heat exchanger 300.

Preferably, the outer cylinder 310 and the inner cylinder 320 are coaxially arranged, so that the circumferential distribution uniformity of the exhaust cavity can be improved, and the heat exchange efficiency between the air in the exhaust cavity and the high-temperature gas in the combustion cavity can be improved.

Preferably, referring to fig. 1 and 2, the

air outlets

321 and 400 may be respectively disposed at two ends of the outer cylinder 310, so that after the fan 400 blows air into one end of the air exhaust cavity, the air will pass through the whole air exhaust cavity and then be exhausted from the air outlet 321, thereby extending a flow path of the air in the air exhaust cavity, further extending a retention time of the air in the air exhaust cavity, and facilitating improvement of heat exchange efficiency.

Further, the burner 100 may be disposed at an end of the inner cylinder 320, wherein a temperature of an end of the inner cylinder 320 where the burner 100 is installed is higher than a temperature of an end of the inner cylinder 320 facing away from the burner 100; on this basis, with the air outlet of fan 400 and the one end intercommunication that outer barrel 310 deviates from combustor 100, simultaneously, make air exit 321 set up the one end that outer barrel 310 is close to combustor 100, thereby, blow in the air of airing exhaust intracavity by fan 400 can earlier with the lower part contact heat transfer of interior barrel 320 temperature, then, have the higher part contact heat transfer of temperature of flame with interior barrel 320 again, be convenient for improve the heat exchange efficiency of second heat exchanger 300.

Preferably, referring to fig. 2, the spiral air deflector 330 surrounding the inner cylinder 320 may be disposed on the inner cylinder 320, and the spiral air deflector 330 is disposed at an included angle with the outer wall of the inner cylinder 320, so that a spiral air duct is formed in the air exhaust cavity, and an air flow entering from one end of the air exhaust cavity flows along the spiral air duct, thereby prolonging a flow path of the air in the air exhaust cavity, further prolonging a retention time of the air in the air exhaust cavity, and improving heat exchange efficiency.

Particularly, the outer cylinder 310 may be formed in a structure in which the exhaust chamber is insulated, so that heat released from the air in the outer cylinder 310 to the outside may be reduced, and thermal efficiency may be further ensured.

In addition, the smoke exhaust channel is communicated with the combustion cavity at the position of the combustion cavity close to the outer flame of the flame, so that the smoke generated by combustion can be smoothly discharged from the smoke exhaust channel, and the influence on the heat exchange efficiency between high-temperature gas in the combustion cavity and air in the exhaust cavity due to carbon deposition on the inner wall of the combustion cavity is prevented; and the air in the combustion chamber can be ensured to smoothly circulate, so that the combustion is more sufficient, the heat efficiency is improved, and the heat in the combustion chamber is more balanced.

Referring to fig. 1 and 2, in the specific structure of the first heat exchanger 200, a housing 210 and a heat sink 220 having an internal cavity are provided, wherein the internal cavity of the heat sink 220 can form the above-mentioned smoke evacuation channel, that is, smoke generated in the combustion chamber can be evacuated along the internal cavity of the heat sink 220; the cavity between the casing 210 and the heat sink 220 is the above-mentioned air inlet channel, that is, after entering the casing 210, the external cold air will pass through the gap of the heat sink 220, and in this process, the cold air will absorb the heat of the high-temperature flue gas in the heat sink 220, thereby completing the first heat exchange and temperature rise.

The number of the heat dissipation fins 220 may be multiple, and the multiple heat dissipation fins 220 may be uniformly arranged in the cavity inside the casing 210, so that the heat exchange efficiency of the first heat exchanger 200 may be improved.

As an alternative, the plurality of heat dissipation fins 220 may be arranged in an array in the cavity inside the housing 210.

Preferably, can set up filtration in smoke exhaust passage to utilize filtration to filter the harmful substance in the flue gas, reduce the pollution of the flue gas of discharging into external environment to the environment, more do benefit to the environmental protection.

In particular, the filter structure may be a physical filter screen or a chemical purification component.

In addition, referring to fig. 1 and 2, the air inlet channel and the air inlet of the fan 400 may be communicated through an air guide duct 500, which facilitates the structural layout.

The embodiment also provides a material drying system, which comprises the heat source pump.

Consequently, the material drying system that this embodiment provided has all advantages of above-mentioned heat source pump, can make external cold air in proper order with the high temperature flue gas in the exhaust passage and the high-temperature gas heat transfer in the combustion chamber, through the secondary heat transfer, more fully utilized the heat that the combustor burning produced, improved the thermal efficiency, it is more energy-conserving, do benefit to the environmental protection.

To sum up, the utility model discloses a heat source pump and material drying system, it has overcome a great deal of technical defect of traditional heat source pump. The heat source pump and the material drying system that this embodiment provided can make external cold air in proper order with the high temperature flue gas in the exhaust passage and the high temperature gas heat transfer in the combustion chamber, through the secondary heat transfer, more fully utilize the heat that the combustor burning produced, improved the thermal efficiency, it is more energy-conserving, do benefit to the environmental protection.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A heat source pump is characterized by comprising a combustor (100), a first heat exchanger (200), a second heat exchanger (300) and a fan (400), wherein the first heat exchanger (200) is provided with a smoke exhaust channel and an air inlet channel which can exchange heat with each other, and the second heat exchanger (300) is provided with a combustion cavity and an air exhaust cavity which can exchange heat with each other;

the burner (100) is used for spraying flame into the combustion cavity, and the combustion cavity is communicated with the smoke exhaust channel; one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with an air inlet of the fan (400); an air outlet of the fan (400) is communicated with the air exhaust cavity, and an air outlet (321) communicated with the air exhaust cavity is formed in the second heat exchanger (300).

2. A heat source pump according to claim 1, characterized in that the second heat exchanger (300) comprises an outer cylinder (310) closed at both ends and an inner cylinder (320) closed at both ends, the inner cylinder (320) being located inside the outer cylinder (310);

the cavity that interior barrel (320) enclose does the combustion chamber, outer barrel (310) with cavity between interior barrel (320) does the exhaust chamber, air exit (321) are seted up the tip of interior barrel (320).

3. A heat source pump according to claim 2, characterized in that the outer cylinder (310) is provided coaxially with the inner cylinder (320);

and/or the air outlet (321) and the air outlet of the fan (400) are respectively positioned at two ends of the outer cylinder body (310).

4. A heat source pump according to claim 3, wherein the burner (100) is disposed at an end of the inner cylinder (320), the air outlet of the blower (400) is communicated with an end of the outer cylinder (310) away from the burner (100), and the air outlet (321) is located at an end of the outer cylinder (310) close to the burner (100).

5. A heat source pump according to claim 4, characterized in that the inner cylinder (320) is provided with a spiral wind deflector (330) in a surrounding manner, and the spiral wind deflector (330) is arranged at an included angle with the outer wall of the inner cylinder (320).

6. A heat source pump according to any one of claims 2 to 5, characterized in that the outer cylinder (310) forms a structure for keeping the exhaust chamber warm.

7. A heat source pump as claimed in any one of claims 1 to 5, wherein the smoke evacuation channels communicate with the combustion chamber at a location in the combustion chamber adjacent the outer flame of the flame.

8. A heat source pump according to any one of claims 1 to 5, characterized in that the first heat exchanger (200) comprises a housing (210) and a heat sink (220) having an internal cavity, the internal cavity of the heat sink (220) forming the smoke evacuation channel, the cavity between the housing (210) and the heat sink (220) being the air intake channel.

9. A heat source pump as claimed in any one of claims 1 to 5, wherein a filter structure for filtering flue gas is provided in the flue gas channel.

10. A material drying system comprising a heat source pump as claimed in any one of claims 1 to 9.